WISDEM Outputs

This table may be downloaded as a CSV file or JSON file

Table 2 WISDEM Variable List

Variable	Units	Description
airfoils.Re		1D array of the Reynolds numbers used to define the polars of the airfoils. All airfoils defined in openmdao share this grid.
airfoils.ac		1D array of the aerodynamic centers of each airfoil.
airfoils.aoa	rad	1D array of the angles of attack used to define the polars of the airfoils. All airfoils defined in openmdao share this grid.
airfoils.cd		4D array with the drag coefficients of the airfoils. Dimension 0 is along the different airfoils defined in the yaml, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.
airfoils.cl		4D array with the lift coefficients of the airfoils. Dimension 0 is along the different airfoils defined in the yaml, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.
airfoils.cm		4D array with the moment coefficients of the airfoils. Dimension 0 is along the different airfoils defined in the yaml, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.mass coefficient
airfoils.coord_xy		3D array of the x and y airfoil coordinates of the n_af airfoils.
airfoils.name	Unavailable	1D array of names of airfoils.
airfoils.r_thick		1D array of the relative thicknesses of each airfoil.
assembly.blade_length	m	Scalar of the 3D blade length computed along its axis, scaled based on the user defined rotor diameter.
assembly.blade_ref_axis	m	2D array of the coordinates (x,y,z) of the blade reference axis scaled based on rotor diameter, defined along blade span. The coordinate system is the one of BeamDyn: it is placed at blade root with x pointing the suction side of the blade, y pointing the trailing edge and z along the blade span. A standard configuration will have negative x values (prebend), if swept positive y values, and positive z values.
assembly.blade_ref_axis_user	m	2D array of the coordinates (x,y,z) of the blade reference axis, defined along blade span. The coordinate system is the one of BeamDyn: it is placed at blade root with x pointing the suction side of the blade, y pointing the trailing edge and z along the blade span. A standard configuration will have negative x values (prebend), if swept positive y values, and positive z values.
assembly.distance_tt_hub	m	Vertical distance from tower top to hub center.
assembly.hub_height	m	Height of the hub in the global reference system, i.e. distance rotor center to ground.hub height of wind turbine above ground / sea level
assembly.hub_height_user	m	Height of the hub specified by the user.
assembly.hub_radius	m	Radius of the hub. It defines the distance of the blade root from the rotor center along the coned line.
assembly.r_blade	m	1D array of the dimensional spanwise grid defined along the rotor (hub radius to blade tip projected on the plane)
assembly.rotor_diameter	m	Diameter of the rotor used in WISDEM. It is defined as two times the blade length plus the hub diameter.rotor diameter
assembly.rotor_diameter_user	m	Diameter of the rotor specified by the user. It is defined as two times the blade length plus the hub diameter.
assembly.rotor_radius	m	Scalar of the rotor radius, defined ignoring prebend and sweep curvatures, and cone and uptilt angles.
assembly.tower_ref_axis	m	2D array of the coordinates (x,y,z) of the tower reference axis. The coordinate system is the global coordinate system of OpenFAST: it is placed at tower base with x pointing downwind, y pointing on the side and z pointing vertically upwards. A standard tower configuration will have zero x and y values and positive z values.
assembly.tower_ref_axis_user	m	2D array of the coordinates (x,y,z) of the tower reference axis. The coordinate system is the global coordinate system of OpenFAST: it is placed at tower base with x pointing downwind, y pointing on the side and z pointing vertically upwards. A standard tower configuration will have zero x and y values and positive z values.
blade.internal_structure_2d_fem.chord	m	1D array of the chord values defined along blade span.Chord length at each section.
blade.internal_structure_2d_fem.coord_xy_dim	m	3D array of the dimensional x and y airfoil coordinates of the airfoils interpolated along span for n_span stations. The origin is placed at the pitch axis.
blade.internal_structure_2d_fem.definition_layer	Unavailable	1D array of flags identifying how layers are specified in the yaml. 1) all around (skin, paint, ) 2) offset+rotation twist+width (spar caps) 3) offset+user defined rotation+width 4) midpoint TE+width (TE reinf) 5) midpoint LE+width (LE reinf) 6) layer position fixed to other layer (core fillers) 7) start and width 8) end and width 9) start and end nd 10) web layer
blade.internal_structure_2d_fem.definition_web	Unavailable	1D array of flags identifying how webs are specified in the yaml. 1) offset+rotation=twist 2) offset+rotation
blade.internal_structure_2d_fem.index_layer_end	Unavailable	Index used to fix a layer to another
blade.internal_structure_2d_fem.index_layer_start	Unavailable	Index used to fix a layer to another
blade.internal_structure_2d_fem.layer_end_nd		2D array of the non-dimensional end point defined along the outer profile of a layer. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_end_nd_yaml		2D array of the non-dimensional end point defined along the outer profile of a layer. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_midpoint_nd		2D array of the non-dimensional midpoint defined along the outer profile of a layer. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_offset_y_pa	m	2D array of the offset along the y axis to set the position of a layer. Positive values move the layer towards the trailing edge, negative values towards the leading edge. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_offset_y_pa_yaml	m	2D array of the offset along the y axis to set the position of a layer. Positive values move the layer towards the trailing edge, negative values towards the leading edge. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_rotation	rad	2D array of the rotation angle of a layer in respect to the chord line. The first dimension represents each layer, the second dimension represents each entry along blade span. If the rotation is equal to negative twist +- a constant, then the layer is built straight.
blade.internal_structure_2d_fem.layer_rotation_yaml	rad	2D array of the rotation angle of a layer in respect to the chord line. The first dimension represents each layer, the second dimension represents each entry along blade span. If the rotation is equal to negative twist +- a constant, then the layer is built straight.
blade.internal_structure_2d_fem.layer_side	Unavailable	1D array setting whether the layer is on the suction or pressure side. This entry is only used if definition_layer is equal to 1 or 2.
blade.internal_structure_2d_fem.layer_start_nd		2D array of the non-dimensional start point defined along the outer profile of a layer. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_start_nd_yaml		2D array of the non-dimensional start point defined along the outer profile of a layer. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_thickness	m	2D array of the thickness of the layers of the blade structure. The first dimension represents each layer, the second dimension represents each entry along blade span.2D array of the thickness of the layers of the column structure. The first dimension represents each layer, the second dimension represents each piecewise- constant entry of the column sections.
blade.internal_structure_2d_fem.layer_web		1D array of the web id the layer is associated to. If the layer is on the outer profile, this entry can simply stay equal to zero.
blade.internal_structure_2d_fem.layer_width	m	2D array of the width along the outer profile of a layer. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.layer_width_yaml	m	2D array of the width along the outer profile of a layer. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.pitch_axis		1D array of the chordwise position of the pitch axis (0-LE, 1-TE), defined along blade span.
blade.internal_structure_2d_fem.s		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
blade.internal_structure_2d_fem.twist	rad	1D array of the twist values defined along blade span. The twist is defined positive for negative rotations around the z axis (the same as in BeamDyn).
blade.internal_structure_2d_fem.web_end_nd		2D array of the non-dimensional end point defined along the outer profile of a web. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each web, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.web_end_nd_yaml		2D array of the non-dimensional end point defined along the outer profile of a web. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each web, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.web_offset_y_pa	m	2D array of the offset along the y axis to set the position of the shear webs. Positive values move the web towards the trailing edge, negative values towards the leading edge. The first dimension represents each shear web, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.web_offset_y_pa_yaml	m	2D array of the offset along the y axis to set the position of the shear webs. Positive values move the web towards the trailing edge, negative values towards the leading edge. The first dimension represents each shear web, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.web_rotation	rad	2D array of the rotation angle of the shear webs in respect to the chord line. The first dimension represents each shear web, the second dimension represents each entry along blade span. If the rotation is equal to negative twist +- a constant, then the web is built straight.
blade.internal_structure_2d_fem.web_rotation_yaml	rad	2D array of the rotation angle of the shear webs in respect to the chord line. The first dimension represents each shear web, the second dimension represents each entry along blade span. If the rotation is equal to negative twist +- a constant, then the web is built straight.
blade.internal_structure_2d_fem.web_start_nd		2D array of the non-dimensional start point defined along the outer profile of a web. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each web, the second dimension represents each entry along blade span.
blade.internal_structure_2d_fem.web_start_nd_yaml		2D array of the non-dimensional start point defined along the outer profile of a web. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each web, the second dimension represents each entry along blade span.
blade.interp_airfoils.ac		1D array of the aerodynamic centers of each airfoil.
blade.interp_airfoils.ac_interp		1D array of the aerodynamic center of the blade defined along span.
blade.interp_airfoils.af_position		1D array of the non dimensional positions of the airfoils af_used defined along blade span.
blade.interp_airfoils.aoa	rad	1D array of the angles of attack used to define the polars of the airfoils. All airfoils defined in openmdao share this grid.
blade.interp_airfoils.cd		4D array with the drag coefficients of the airfoils. Dimension 0 is along the different airfoils defined in the yaml, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.
blade.interp_airfoils.cd_interp		4D array with the drag coefficients of the airfoils. Dimension 0 is along the blade span for n_span stations, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.
blade.interp_airfoils.chord	m	1D array of the chord values defined along blade span.Chord length at each section.
blade.interp_airfoils.cl		4D array with the lift coefficients of the airfoils. Dimension 0 is along the different airfoils defined in the yaml, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.
blade.interp_airfoils.cl_interp		4D array with the lift coefficients of the airfoils. Dimension 0 is along the blade span for n_span stations, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.
blade.interp_airfoils.cm		4D array with the moment coefficients of the airfoils. Dimension 0 is along the different airfoils defined in the yaml, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.mass coefficient
blade.interp_airfoils.cm_interp		4D array with the moment coefficients of the airfoils. Dimension 0 is along the blade span for n_span stations, dimension 1 is along the angles of attack, dimension 2 is along the Reynolds number, dimension 3 is along the number of tabs, which may describe multiple sets at the same station, for example in presence of a flap.
blade.interp_airfoils.coord_xy		3D array of the x and y airfoil coordinates of the n_af airfoils.
blade.interp_airfoils.coord_xy_dim	m	3D array of the dimensional x and y airfoil coordinates of the airfoils interpolated along span for n_span stations. The origin is placed at the pitch axis.
blade.interp_airfoils.coord_xy_interp		3D array of the non-dimensional x and y airfoil coordinates of the airfoils interpolated along span for n_span stations. The leading edge is place at x=0 and y=0.
blade.interp_airfoils.name	Unavailable	1D array of names of airfoils.
blade.interp_airfoils.pitch_axis		1D array of the chordwise position of the pitch axis (0-LE, 1-TE), defined along blade span.
blade.interp_airfoils.r_thick		1D array of the relative thicknesses of each airfoil.
blade.interp_airfoils.r_thick_interp		1D array of the relative thicknesses of the blade defined along span.
blade.interp_airfoils.s		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
blade.opt_var.af_position
blade.opt_var.chord_opt_gain
blade.opt_var.s_opt_chord
blade.opt_var.s_opt_twist
blade.opt_var.spar_cap_ps_opt_gain
blade.opt_var.spar_cap_ss_opt_gain
blade.opt_var.twist_opt_gain
blade.outer_shape_bem.af_position		1D array of the non dimensional positions of the airfoils af_used defined along blade span.
blade.outer_shape_bem.chord	m	1D array of the chord values defined along blade span.Chord length at each section.
blade.outer_shape_bem.chord_yaml	m	1D array of the chord values defined along blade span.
blade.outer_shape_bem.pitch_axis		1D array of the chordwise position of the pitch axis (0-LE, 1-TE), defined along blade span.
blade.outer_shape_bem.pitch_axis_yaml		1D array of the chordwise position of the pitch axis (0-LE, 1-TE), defined along blade span.
blade.outer_shape_bem.ref_axis	m	2D array of the coordinates (x,y,z) of the blade reference axis, defined along blade span. The coordinate system is the one of BeamDyn: it is placed at blade root with x pointing the suction side of the blade, y pointing the trailing edge and z along the blade span. A standard configuration will have negative x values (prebend), if swept positive y values, and positive z values.
blade.outer_shape_bem.ref_axis_yaml	m	2D array of the coordinates (x,y,z) of the blade reference axis, defined along blade span. The coordinate system is the one of BeamDyn: it is placed at blade root with x pointing the suction side of the blade, y pointing the trailing edge and z along the blade span. A standard configuration will have negative x values (prebend), if swept positive y values, and positive z values.
blade.outer_shape_bem.s		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
blade.outer_shape_bem.s_default		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)
blade.outer_shape_bem.span_end		1D array of the positions along blade span where something (a DAC device?) starts and we want a grid point. Only values between 0 and 1 are meaningful.
blade.outer_shape_bem.span_ext		1D array of the extensions along blade span where something (a DAC device?) lives and we want a grid point. Only values between 0 and 1 are meaningful.
blade.outer_shape_bem.twist	rad	1D array of the twist values defined along blade span. The twist is defined positive for negative rotations around the z axis (the same as in BeamDyn).
blade.outer_shape_bem.twist_yaml	rad	1D array of the twist values defined along blade span. The twist is defined positive for negative rotations around the z axis (the same as in BeamDyn).
blade.pa.chord_opt_gain		1D array of the non-dimensional gains to optimize the blade spanwise distribution of the chord
blade.pa.chord_original	m	1D array of the chord values defined along blade span. The chord is the one defined in the yaml.
blade.pa.chord_param	m	1D array of the chord values defined along blade span. The chord is the result of the parameterization.
blade.pa.max_chord_constr		1D array of the ratio between chord values and maximum chord along blade span.
blade.pa.s		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
blade.pa.s_opt_chord		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade chord
blade.pa.s_opt_twist		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade twist angle
blade.pa.twist_opt_gain		1D array of the non-dimensional gains to optimize the blade spanwise distribution of the twist angle
blade.pa.twist_original	rad	1D array of the twist values defined along blade span. The twist is the one defined in the yaml.
blade.pa.twist_param	rad	1D array of the twist values defined along blade span. The twist is the result of the parameterization.
blade.ps.layer_thickness_original	m	2D array of the thickness of the layers of the blade structure. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.ps.layer_thickness_param	m	2D array of the thickness of the layers of the blade structure after the parametrization. The first dimension represents each layer, the second dimension represents each entry along blade span.
blade.ps.s		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
blade.ps.s_opt_spar_cap_ps		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade spar cap pressure side
blade.ps.s_opt_spar_cap_ss		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade spar cap suction side
blade.ps.spar_cap_ps_opt_gain		1D array of the non-dimensional gains to optimize the blade spanwise distribution of the spar caps pressure side
blade.ps.spar_cap_ss_opt_gain		1D array of the non-dimensional gains to optimize the blade spanwise distribution of the spar caps suction side
bos.boem_review_cost	USD
bos.commissioning_pct
bos.construction_operations_plan_cost	USD
bos.decommissioning_pct
bos.design_install_plan_cost	USD
bos.distance_to_interconnection	km
bos.distance_to_landfall	km
bos.distance_to_substation	km
bos.interconnect_voltage	kV
bos.plant_row_spacing		Distance between turbine rows in rotor diameters
bos.plant_turbine_spacing		Distance between turbines in rotor diameters
bos.port_cost_per_month	USD/mo
bos.site_assessment_cost	USD
bos.site_assessment_plan_cost	USD
bos.site_auction_price	USD
bos.site_distance	km
ccblade.CM		Blade flapwise moment coefficient
ccblade.CP		Rotor power coefficient
ccblade.D_n_opt	N/m	Distributed drag force
ccblade.DragF	N/m	Distributed drag force
ccblade.L_n_opt	N/m	Distributed lift force
ccblade.LiftF	N/m	Distributed lift force
ccblade.Px_af	N/m	Distributed loads in airfoil x-direction
ccblade.Px_b	N/m	Distributed loads in blade-aligned x-direction
ccblade.Py_af	N/m	Distributed loads in airfoil y-direction
ccblade.Py_b	N/m	Distributed loads in blade-aligned y-direction
ccblade.Pz_af	N/m	Distributed loads in airfoil z-direction
ccblade.Pz_b	N/m	Distributed loads in blade-aligned z-direction
ccblade.Rhub	m	hub radiusHub radius.
ccblade.Rtip	m	tip radiusBlade tip location in z_b
ccblade.Uhub	m/s	Undisturbed wind speed
ccblade.a		Axial induction along blade span
ccblade.airfoils_Re		Reynolds numbers of polarsReynolds numbers of polars.
ccblade.airfoils_aoa	deg	angle of attack grid for polarsAngle of attack grid for polars.
ccblade.airfoils_cd		drag coefficients, spanwiseDrag coefficients, spanwise.
ccblade.airfoils_cl		lift coefficients, spanwiseLift coefficients, spanwise.
ccblade.airfoils_cm		moment coefficients, spanwiseMoment coefficients, spanwise.
ccblade.alpha	deg	Angles of attack along blade span
ccblade.ap		Tangential induction along blade span
ccblade.cd		Drag coefficients along blade span
ccblade.cd_n_opt		Drag coefficients along blade span
ccblade.chord	m	chord length at each sectionChord length at each section.
ccblade.cl		Lift coefficients along blade span
ccblade.cl_n_opt		Lift coefficients along blade span
ccblade.hub_height	m	hub heighthub height of wind turbine above ground / sea level
ccblade.hubloss	Unavailable	include Prandtl hub loss modelInclude Prandtl hub loss model.
ccblade.mu	kg/(m*s)	dynamic viscosity of airDynamic viscosity of air
ccblade.nBlades	Unavailable	number of bladesNumber of blades
ccblade.nSector	Unavailable	number of sectors to divide rotor face into in computing thrust and powerNumber of sectors to divide rotor face into in computing thrust and power.
ccblade.pitch	deg	Pitch angle
ccblade.precone	deg	precone angleRotor precone angle
ccblade.precurve	m	precurve at each sectionPrecurve at each section.
ccblade.precurveTip	m	precurve at tipPrecurve at tip.
ccblade.presweep	m	presweep at each section
ccblade.presweepTip	m	presweep at tip
ccblade.r	m	radial locations where blade is defined (should be increasing and not go all the way to hub or tip)Radial locations where blade is defined. Should be increasing and not go all the way to hub or tip.
ccblade.rho	kg/m**3	density of airDensity of the materials along the column sections.
ccblade.rthick		1D array of the relative thicknesses of the blade defined along span.
ccblade.s_opt_chord		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade chord
ccblade.s_opt_twist		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade twist
ccblade.shearExp		shear exponentshear exponent
ccblade.theta	rad	Twist angle at each section (positive decreases angle of attack)Twist angle at each section (positive decreases angle of attack).
ccblade.tilt	deg	shaft tiltNacelle uptilt angle
ccblade.tiploss	Unavailable	include Prandtl tip loss modelInclude Prandtl tip loss model.
ccblade.tsr		Tip speed ratio
ccblade.twist	rad	twist angle at each section (positive decreases angle of attack)
ccblade.usecd	Unavailable	use drag coefficient in computing induction factorsUse drag coefficient in computing induction factors.
ccblade.wakerotation	Unavailable	include effect of wake rotation (i.e., tangential induction factor is nonzero)Iclude effect of wake rotation (i.e., tangential induction factor is nonzero).
ccblade.yaw	deg	yaw erroryaw angle
configuration.gearbox_type	Unavailable	Gearbox configuration (geared, direct-drive, etc.).
configuration.hub_height_user	m	Height of the hub center over the ground (land-based) or the mean sea level (offshore) specified by the user.
configuration.n_blades	Unavailable	Number of blades of the rotor.Number of rotor blades
configuration.rated_power	W	Electrical rated power of the generator.
configuration.rotor_diameter_user	m	Diameter of the rotor specified by the user. It is defined as two times the blade length plus the hub diameter.
configuration.rotor_orientation	Unavailable	Rotor orientation, either upwind or downwind.Rotor orientation, either upwind or downwind.
configuration.turb_class	Unavailable	IEC wind turbine category. A - high turbulence intensity (land-based), B - mid turbulence, C - low turbulence (offshore).
configuration.upwind	Unavailable	Convenient boolean for upwind (True) or downwind (False).Flag whether the design is upwind or downwind
configuration.ws_class	Unavailable	IEC wind turbine class. I - offshore, II coastal, III - land-based, IV - low wind speed site.
control.V_in	m/s	Cut in wind speed. This is the wind speed where region II begins.
control.V_out	m/s	Cut out wind speed. This is the wind speed where region III ends.
control.maxOmega	rad/s	Maximum allowed rotor speed.
control.max_TS	m/s	Maximum allowed blade tip speed.
control.max_pitch_rate	rad/s	Maximum allowed blade pitch rate
control.max_torque_rate	N*m/s	Maximum allowed generator torque rate
control.minOmega	rad/s	Minimum allowed rotor speed.
control.rated_TSR		Constant tip speed ratio in region II.
control.rated_pitch	rad	Constant pitch angle in region II.
costs.bearing_mass_cost_coeff	USD/kg	main bearing mass-cost coeff
costs.bedplate_mass_cost_coeff	USD/kg	bedplate mass-cost coeff
costs.blade_mass_cost_coeff	USD/kg	blade mass-cost coeff
costs.bos_per_kW	USD/kW	Balance of station/plant capital costBalance of system costs of the turbine
costs.controls_machine_rating_cost_coeff	USD/kW	controls cost coefficient per kW
costs.converter_mass_cost_coeff	USD/kg	variable speed electronics mass cost coeff
costs.cover_mass_cost_coeff	USD/kg	nacelle cover mass cost coeff
costs.crane_cost	USD	crane cost if present
costs.elec_connec_machine_rating_cost_coeff	USD/kW	electrical connections cost coefficient per kW
costs.fixed_charge_rate		Fixed charge rate for coe calculationFixed charge rate for coe calculation
costs.gearbox_mass_cost_coeff	USD/kg	gearbox mass-cost coeff
costs.generator_mass_cost_coeff	USD/kg	generator mass cost coeff
costs.hss_mass_cost_coeff	USD/kg	high speed shaft mass-cost coeff
costs.hub_mass_cost_coeff	USD/kg	hub mass-cost coeff
costs.hvac_mass_cost_coeff	USD/kg	hydraulic and cooling system mass cost coeff
costs.labor_rate	USD/h
costs.lss_mass_cost_coeff	USD/kg	low speed shaft mass-cost coeff
costs.offset_tcc_per_kW	USD/kW	Offset to turbine capital costOffset to turbine capital cost
costs.opex_per_kW	USD/kW/yr	Average annual operational expenditures of the turbineAverage annual operational expenditures of the turbine
costs.painting_rate	USD/m**2
costs.pitch_system_mass_cost_coeff	USD/kg	pitch system mass-cost coeff
costs.platforms_mass_cost_coeff	USD/kg	nacelle platforms mass cost coeff
costs.spinner_mass_cost_coeff	USD/kg	spinner/nose cone mass-cost coeff
costs.tower_mass_cost_coeff	USD/kg	tower mass-cost coeff
costs.transformer_mass_cost_coeff	USD/kg	transformer mass cost coeff
costs.turbine_number	Unavailable	Number of turbines at plantNumber of turbines at plant
costs.wake_loss_factor		The losses in AEP due to waked conditionsThe losses in AEP due to waked conditions
costs.yaw_mass_cost_coeff	USD/kg	yaw system mass cost coeff
drivese.D_bearing1	m
drivese.D_bearing2	m
drivese.D_bedplate	m	Bedplate diameters
drivese.D_gearbox	m
drivese.D_top	m	Tower top outer diameter
drivese.E_mat	Pa	2D array of the Youngs moduli of the materials. Each row represents a material, the three columns represent E11, E22 and E33.
drivese.F_generator	N
drivese.F_hub	N	Force vector applied to the hub (WITH WEIGHT???)
drivese.F_mb1	N	Force vector applied to bearing 1 in hub c.s.
drivese.F_mb2	N	Force vector applied to bearing 2 in hub c.s.
drivese.F_torq	N
drivese.G_mat	Pa	2D array of the shear moduli of the materials. Each row represents a material, the three columns represent G12, G13 and G23.
drivese.H_bedplate	m	height of bedplate
drivese.L_12	m	Length from bearing #1 to bearing #2
drivese.L_bedplate	m
drivese.L_drive	m	Length of drivetrain from bedplate to hub flang
drivese.L_gearbox	m
drivese.L_generator	m	Generator stack width
drivese.L_h1	m	Length from hub / start of lss to bearing #1
drivese.L_hss	m
drivese.L_lss	m
drivese.L_nose	m
drivese.M_generator	N*m
drivese.M_hub	N*m	Moment vector applied to the hub
drivese.M_mb1	N*m	Moment vector applied to bearing 1 in hub c.s.
drivese.M_mb2	N*m	Moment vector applied to bearing 2 in hub c.s.
drivese.M_torq	N*m
drivese.R_generator	m	Generatour outer diameter
drivese.Xt_mat	Pa
drivese.above_yaw_I	kg*m**2
drivese.above_yaw_cm	m
drivese.above_yaw_mass	kg
drivese.access_diameter	m	Minimum diameter required for maintenance access
drivese.base_F	N
drivese.base_M	N*m
drivese.bear1.D_bearing	m	bearing diameter/facewidth
drivese.bear1.D_shaft	m	Shaft diameter
drivese.bear1.bearing_type	Unavailable	bearing mass type
drivese.bear1.mb_I	kg*m**2
drivese.bear1.mb_mass	kg
drivese.bear1.mb_max_defl_ang	rad
drivese.bear2.D_bearing	m	bearing diameter/facewidth
drivese.bear2.D_shaft	m	Shaft diameter
drivese.bear2.bearing_type	Unavailable	bearing mass type
drivese.bear2.mb_I	kg*m**2
drivese.bear2.mb_mass	kg
drivese.bear2.mb_max_defl_ang	rad
drivese.bedplate_E	Pa	modulus of elasticity
drivese.bedplate_G	Pa	shear modulus
drivese.bedplate_I	kg*m**2	component I
drivese.bedplate_Xy	Pa	yield stress
drivese.bedplate_axial_stress	Pa
drivese.bedplate_bending_stress	Pa
drivese.bedplate_cm	m	component CM
drivese.bedplate_deflection	m
drivese.bedplate_flange_thickness	m	Bedplate is two parallel I beams, this is the flange thickness
drivese.bedplate_flange_width	m	Bedplate is two parallel I beams, this is the flange width
drivese.bedplate_mass	kg	component mass
drivese.bedplate_mat_cost	USD/kg
drivese.bedplate_material	Unavailable
drivese.bedplate_nose_axial_stress	Pa
drivese.bedplate_nose_bending_stress	Pa
drivese.bedplate_nose_shear_stress	Pa
drivese.bedplate_rho	kg/m**3	material density
drivese.bedplate_rotation	rad
drivese.bedplate_shear_stress	Pa
drivese.bedplate_wall_thickness	m	Bedplate wall thickness
drivese.bedplate_web_height	m	Bedplate is two parallel I beams, this is the web height
drivese.bedplate_web_thickness	m	Bedplate is two parallel I beams, this is the web thickness
drivese.blade_mass	kg	Total mass of one blade
drivese.blade_root_diameter	m	Outer diameter of blade root
drivese.blades_I	kg*m**2	Mass moments of inertia of all blades about hub center
drivese.blades_mass	kg	Mass of all bladea
drivese.brake_I	kg*m**2	component I
drivese.brake_cm	m	component CM
drivese.brake_mass	kg	component mass
drivese.brake_mass_user	kg	User override of brake mass
drivese.carrier_I	kg*m**2
drivese.carrier_mass	kg
drivese.clearance_hub_spinner	m	Clearance between spinner and hub
drivese.constr_access	m
drivese.constr_bedplate_vonmises
drivese.constr_ecc	m
drivese.constr_height	m
drivese.constr_hss_vonmises
drivese.constr_hub_diameter	m
drivese.constr_length	m
drivese.constr_lss_vonmises
drivese.constr_mb1_defl
drivese.constr_mb2_defl
drivese.converter_I	kg*m**2	moments of Inertia for the component [Ixx, Iyy, Izz] around its center of mass
drivese.converter_cm	m	center of mass of the component in [x,y,z] for an arbitrary coordinate system
drivese.converter_mass	kg	overall component mass
drivese.converter_mass_user	kg	Override regular regression-based calculation of converter mass with this value
drivese.cover_I	m	component mass moments of inertia
drivese.cover_cm	m	component center of mass
drivese.cover_mass	kg	component mass
drivese.drive_height	m	Hub height above tower top
drivese.flange_ID2flange_OD		Ratio of flange inner diameter to flange outer diameter
drivese.flange_OD2hub_D		Ratio of flange outer diameter to hub diameter
drivese.flange_t2shell_t		Ratio of flange thickness to shell thickness
drivese.gear_configuration	Unavailable	3-letter string of Es or Ps to denote epicyclic or parallel gear configuration
drivese.gear_ratio		overall gearbox ratio
drivese.gearbox_I	kg*m**2	Gearbox moment of inertia (measured about its cm)
drivese.gearbox_cm	m	component CM
drivese.gearbox_mass	kg	Gearbox rotor mass
drivese.generator.A_1
drivese.generator.A_Curcalc	mm**2
drivese.generator.A_Cuscalc	mm**2
drivese.generator.B_g	T
drivese.generator.B_g1	T
drivese.generator.B_pm1
drivese.generator.B_r	T	Remnant flux density
drivese.generator.B_rymax	T
drivese.generator.B_smax	T
drivese.generator.B_symax	T	Peak Stator Yoke flux density B_ymax
drivese.generator.B_tmax	T	Peak Teeth flux density
drivese.generator.B_trmax	T
drivese.generator.B_tsmax	T
drivese.generator.C_Cu	USD/kg	Specific cost of copper
drivese.generator.C_Fe	USD/kg	Specific cost of magnetic steel/iron
drivese.generator.C_Fes	USD/kg	Specific cost of structural steel
drivese.generator.C_PM	USD/kg	Specific cost of Magnet
drivese.generator.Copper	kg	Copper mass
drivese.generator.Current_ratio
drivese.generator.D_nose	m	Nose outer diameter
drivese.generator.D_ratio
drivese.generator.D_ratio_L
drivese.generator.D_ratio_LL
drivese.generator.D_ratio_U
drivese.generator.D_ratio_UL
drivese.generator.D_shaft	m	Shaft diameter
drivese.generator.E	Pa	Isotropic Youngs modulus of the materials along the column sections.
drivese.generator.E_p	V	Stator phase voltage
drivese.generator.G	Pa	Isotropic shear modulus of the materials along the column sections.
drivese.generator.I_0	A	no-load excitation current
drivese.generator.I_s	A
drivese.generator.Iron	kg	Iron mass
drivese.generator.J_actual	A/m**2
drivese.generator.J_r
drivese.generator.J_s	A*m**-2
drivese.generator.K_rad
drivese.generator.K_rad_L
drivese.generator.K_rad_LL
drivese.generator.K_rad_U
drivese.generator.K_rad_UL
drivese.generator.L_r
drivese.generator.L_s
drivese.generator.L_sm
drivese.generator.Losses	W
drivese.generator.Mass_tooth_stator	kg
drivese.generator.Mass_yoke_rotor	kg
drivese.generator.Mass_yoke_stator	kg
drivese.generator.N_c		Number of turns per coil
drivese.generator.N_r
drivese.generator.N_s
drivese.generator.P_Fe0e	W/kg	specific eddy losses @ 1.5T, 50Hz
drivese.generator.P_Fe0h	W/kg	specific hysteresis losses W / kg @ 1.5 T @50 Hz
drivese.generator.P_mech	W	Shaft mechanical power
drivese.generator.Q_r
drivese.generator.R_R
drivese.generator.R_out	m	Outer radius
drivese.generator.R_s	ohm
drivese.generator.S
drivese.generator.S_N		Slip
drivese.generator.S_Nmax		Max rated Slip
drivese.generator.Slot_aspect_ratio
drivese.generator.Slot_aspect_ratio1
drivese.generator.Slot_aspect_ratio2
drivese.generator.Structural_mass	kg	Structural mass
drivese.generator.Structural_mass_rotor	kg
drivese.generator.Structural_mass_stator	kg
drivese.generator.TC1	m**3
drivese.generator.TC2r	m**3
drivese.generator.TC2s	m**3
drivese.generator.TCr	m**3
drivese.generator.TCs	m**3
drivese.generator.T_e	N*m
drivese.generator.alpha_p
drivese.generator.b		Slot pole combination
drivese.generator.b_allow_r	m
drivese.generator.b_allow_s	m
drivese.generator.b_arm	m	arm width
drivese.generator.b_m
drivese.generator.b_r
drivese.generator.b_r_tau_r		Rotor Slot width / Slot pitch ratio
drivese.generator.b_ro	m	Rotor slot opening width
drivese.generator.b_s	m
drivese.generator.b_s_tau_s		Stator Slot width/Slot pitch ratio
drivese.generator.b_so	m	Stator slot opening width
drivese.generator.b_st	m	arm width b_st
drivese.generator.b_t	m
drivese.generator.b_tr
drivese.generator.b_trmin
drivese.generator.c		Slot pole combination
drivese.generator.cofi		power factor
drivese.generator.con_Bsmax	T
drivese.generator.con_TC2r	m**3
drivese.generator.con_TC2s	m**3
drivese.generator.con_br	m
drivese.generator.con_bst	m
drivese.generator.con_uar	m
drivese.generator.con_uas	m
drivese.generator.con_yar	m
drivese.generator.con_yas	m
drivese.generator.con_zar	m
drivese.generator.con_zas	m
drivese.generator.d_r	m	arm depth d_r
drivese.generator.d_s	m	arm depth d_s
drivese.generator.f
drivese.generator.freq	Hz	grid frequency
drivese.generator.h_0	m	Slot height
drivese.generator.h_i	m	coil insulation thickness
drivese.generator.h_m	m	magnet height
drivese.generator.h_s	m	Yoke height h_s
drivese.generator.h_sr	m	Structural Mass
drivese.generator.h_ss	m	Stator yoke height
drivese.generator.h_sy0
drivese.generator.h_t	m
drivese.generator.h_w	m	Slot wedge height
drivese.generator.h_yr	m	rotor yoke height
drivese.generator.h_ys	m	Yoke height
drivese.generator.k_fes		Stator iron fill factor per Grauers
drivese.generator.k_fillr		Rotor slot fill factor
drivese.generator.k_fills		Stator Slot fill factor
drivese.generator.k_s		magnetic saturation factor for iron
drivese.generator.len_ag	m
drivese.generator.len_s	m	Stator core length
drivese.generator.m	Unavailable	added mass
drivese.generator.mass_PM	kg	Magnet mass
drivese.generator.mu_0	m*kg/s**2/A**2	permeability of free space
drivese.generator.mu_r	m*kg/s**2/A**2	relative permeability (neodymium)
drivese.generator.n_r		number of arms n
drivese.generator.n_s		number of stator arms n_s
drivese.generator.p		pressure oscillation
drivese.generator.phi	rad	tilt angle (during transportation)
drivese.generator.q	N/m**2
drivese.generator.q1	Unavailable	Stator slots per pole per phase
drivese.generator.q2	Unavailable	Rotor slots per pole per phase
drivese.generator.rad_ag	m	airgap radius
drivese.generator.ratio_mw2pp		ratio of magnet width to pole pitch(bm / self.tau_p)
drivese.generator.resist_Cu	ohm/m	Copper resistivity
drivese.generator.rho_Copper	kg*m**-3	Copper density
drivese.generator.rho_Fe	kg*m**-3	Magnetic Steel density
drivese.generator.rho_Fes	kg*m**-3	Structural Steel density
drivese.generator.rho_PM	kg*m**-3	Magnet density
drivese.generator.shaft_rpm	rpm	rated speed of input shaft (lss for direct, hss for geared)
drivese.generator.sigma	Pa	assumed max shear stress
drivese.generator.t_r	m	Rotor disc thickness
drivese.generator.t_s	m	Stator disc thickness
drivese.generator.t_wr	m	arm depth thickness
drivese.generator.t_ws	m	arm depth thickness
drivese.generator.tau_p	m	Pole pitch self.tau_p
drivese.generator.tau_s	m
drivese.generator.theta_bd	rad	Slope at the bedplate
drivese.generator.theta_sh	rad	slope of shaft
drivese.generator.twist_r	deg
drivese.generator.twist_s	deg
drivese.generator.u_allow_pcent		Radial deflection as a percentage of air gap diameter
drivese.generator.u_allow_r	m
drivese.generator.u_allow_s	m
drivese.generator.u_ar	m
drivese.generator.u_as	m
drivese.generator.v		poisson ratio
drivese.generator.y_allow_pcent		Radial deflection as a percentage of air gap diameter
drivese.generator.y_allow_r	m
drivese.generator.y_allow_s	m
drivese.generator.y_ar	m
drivese.generator.y_as	m
drivese.generator.y_bd	m	Deflection of the bedplate
drivese.generator.y_sh	m	Shaft deflection
drivese.generator.y_tau_p		Stator coil span to pole pitch
drivese.generator.y_tau_pr		Rotor coil span to pole pitch
drivese.generator.z_allow_deg	deg	Allowable torsional twist
drivese.generator.z_allow_r	m
drivese.generator.z_allow_s	m
drivese.generator.z_ar	m
drivese.generator.z_as	m
drivese.generator_I	kg*m**2	component I
drivese.generator_cm	m	component CM
drivese.generator_cost	USD	generator cost
drivese.generator_efficiency
drivese.generator_mass	kg	Actual mass
drivese.generator_rotor_I	kg*m**2	Generator rotor moment of inertia (measured about its cm)
drivese.generator_rotor_mass	kg	Generator rotor mass
drivese.generator_stator_I	kg*m**2	Generator stator moment of inertia (measured about cm)
drivese.generator_stator_mass	kg	Generator stator mass
drivese.hss_E	Pa	modulus of elasticity
drivese.hss_G	Pa	shear modulus
drivese.hss_I	kg*m**2	component I
drivese.hss_Xy	Pa	yield stress
drivese.hss_axial_stress	Pa
drivese.hss_bending_stress	Pa
drivese.hss_cm	m	component CM
drivese.hss_cost	USD/kg	hss cost
drivese.hss_diameter	m	Lss discretized diameter values at coordinates
drivese.hss_mass	kg	component mass
drivese.hss_material	Unavailable
drivese.hss_rho	kg/m**3	material density
drivese.hss_rpm	rpm
drivese.hss_shear_stress	Pa
drivese.hss_wall_thickness	m	Lss discretized thickness values at coordinates
drivese.hub_E	Pa
drivese.hub_G	Pa
drivese.hub_I	kg*m**2	Total mass moment of inertia of the hub about its cm
drivese.hub_Xy	Pa
drivese.hub_cm	m	Distance between hub/shaft flange and hub center of mass
drivese.hub_cost	USD	Cost of the hub shell, including flanges
drivese.hub_diameter	m	Outer diameter of the hub
drivese.hub_in2out_circ
drivese.hub_mass	kg	Total mass of the hub shell, including the flanges
drivese.hub_mat_cost	USD/kg
drivese.hub_material	Unavailable
drivese.hub_rho	kg/m**3
drivese.hub_shell.Xy	Pa	Yield strength metal
drivese.hub_shell.metal_cost	USD/kg	Unit cost metal
drivese.hub_shell.n_blades	Unavailable	Number of rotor blades
drivese.hub_shell.rho	kg/m**3	Density of the materials along the column sections.
drivese.hub_stress_concentration		Stress concentration factor. Stress concentration occurs at all fillets, notches, lifting lugs, hatches and are accounted for by assigning a stress concentration factor
drivese.hub_system_I	kg*m**2	Hub system moment of inertia
drivese.hub_system_cm	m	Hub system center of mass distance from hub flange
drivese.hub_system_cost	USD	Cost for hub system
drivese.hub_system_mass	kg	Hub system mass
drivese.hvac_I	m	component mass moments of inertia
drivese.hvac_cm	m	component center of mass
drivese.hvac_mass	kg	component mass
drivese.hvac_mass_coeff	kg/kW/m	Regression-based scaling coefficient on machine rating to get HVAC system mass
drivese.lss_E	Pa	modulus of elasticity
drivese.lss_G	Pa	shear modulus
drivese.lss_I	kg*m**2	LSS moment of inertia around cm in axial (hub-aligned) c.s.
drivese.lss_Xy	Pa	yield stress
drivese.lss_axial_stress	Pa
drivese.lss_cm	m	LSS center of mass along shaft axis from bedplate
drivese.lss_cost	USD/kg	lss cost
drivese.lss_diameter	m	LSS outer diameter from hub to bearing 2
drivese.lss_mass	kg	LSS mass
drivese.lss_material	Unavailable
drivese.lss_rho	kg/m**3	material density
drivese.lss_rpm	rpm
drivese.lss_shear_stress	Pa
drivese.lss_wall_thickness	m	LSS wall thickness
drivese.machine_rating	kW	Machine rating
drivese.material_names	Unavailable	1D array of names of materials.
drivese.max_torque	N*m	Max torque that the hub needs to resist (Mx in a hub aliged reference system)
drivese.mb1_I	kg*m**2	component I
drivese.mb1_cm	m	component CM
drivese.mb1_deflection	m
drivese.mb1_mass	kg	component mass
drivese.mb1_max_defl_ang	rad	Maximum allowable deflection angle
drivese.mb1_rotation	rad
drivese.mb2_I	kg*m**2	component I
drivese.mb2_cm	m	component CM
drivese.mb2_deflection	m
drivese.mb2_mass	kg	component mass
drivese.mb2_max_defl_ang	rad	Maximum allowable deflection angle
drivese.mb2_rotation	rad
drivese.mean_bearing_mass	kg
drivese.minimum_rpm	rpm	Minimum shaft rotations-per-minute (rpm), usually set by controller
drivese.n_blades	Unavailable	Number of rotor blades
drivese.n_front_brackets	Unavailable	Number of front spinner brackets
drivese.n_rear_brackets	Unavailable	Number of rear spinner brackets
drivese.nacelle_I	kg*m**2	Mass moments of inertia of nacelle about its CofM
drivese.nacelle_cm	m	Nacelle center of mass relative to tower top in yaw-aligned c.s.
drivese.nacelle_mass	kg	Mass of nacelle system
drivese.nose_I	kg*m**2	Nose moment of inertia around cm in axial (hub-aligned) c.s.
drivese.nose_cm	m	Nose center of mass along nose axis from bedplate
drivese.nose_diameter	m	Nose outer diameter from bearing 1 to bedplate
drivese.nose_mass	kg	Nose mass
drivese.nose_wall_thickness	m	Nose wall thickness
drivese.other_mass	kg	Mass of other nacelle components that rest on mainplate
drivese.overhang	m	Horizontal distance between hub and tower-top axis
drivese.pitch_I	kg*m**2	Total mass moment of inertia of the pitch system about central point
drivese.pitch_cost	USD	Cost of the pitch system
drivese.pitch_mass	kg	Total mass of the pitch system
drivese.pitch_system.BRFM	N*m	Flapwise bending moment at blade root
drivese.pitch_system.Xy	Pa	Yield strength metal
drivese.pitch_system.rho	kg/m**3	Density of the materials along the column sections.
drivese.pitch_system_scaling_factor		Scaling factor to tune the total mass (0.54 is recommended for modern designs)
drivese.planet_numbers	Unavailable
drivese.platform_I	m	component mass moments of inertia
drivese.platform_cm	m	component center of mass
drivese.platform_mass	kg	component mass
drivese.rated_rpm	rpm	Rated shaft rotations-per-minute (rpm)
drivese.rated_torque	N*m	rotor torque at rated power
drivese.rho_castiron	kg/m**3
drivese.rho_fiberglass	kg/m**3	material density of fiberglass
drivese.rho_mat	kg/m**3	1D array of the density of the materials. For composites, this is the density of the laminate.
drivese.rna_I_TT	kg*m**2
drivese.rna_cm	m
drivese.rna_mass	kg	Mass of RNA
drivese.rotor_diameter	m	rotor diameter
drivese.rotor_mass	kg	Total rotor mass
drivese.s_drive	m
drivese.s_gearbox	m	Gearbox s-coordinate measured from bedplate
drivese.s_generator	m
drivese.s_hss	m	Discretized s-coordinates along drivetrain, measured from bedplate (direct) or tower center (geared)
drivese.s_lss	m	Discretized s-coordinates along drivetrain, measured from bedplate (direct) or tower center (geared)
drivese.s_mb1	m	Bearing 1 s-coordinate along drivetrain, measured from bedplate
drivese.s_mb2	m	Bearing 2 s-coordinate along drivetrain, measured from bedplate
drivese.s_nose	m	Discretized s-coordinates along drivetrain, measured from bedplate
drivese.s_rotor	m	Generator rotor attachment to lss s-coordinate measured from bedplate (direct) or tower center (geared)
drivese.s_stator	m	Generator stator attachment to lss s-coordinate measured from bedplate
drivese.sigma_y_mat	Pa	2D array of the yield strength of the materials. Each row represents a material, the three columns represent Xt12, Xt13 and Xt23.
drivese.spin_hole_incr		Ratio between access hole diameter in the spinner and blade root diameter. Typical value 1.2
drivese.spinner.Xy	Pa	Yield strength metal
drivese.spinner.composite_Xt	Pa	Tensile strength of the composite material of the shell. A glass CFM (continuous fiber mat) is often used.
drivese.spinner.composite_cost	USD/kg	Unit cost composite of the shell
drivese.spinner.composite_rho	kg/m**3	Density of composite of the shell
drivese.spinner.metal_cost	USD/kg	Unit cost metal
drivese.spinner.metal_rho	kg/m**3	Density metal
drivese.spinner.spinner_diameter	m
drivese.spinner_I	kg*m**2	Total mass moment of inertia of the spinner about its cm
drivese.spinner_Xt	Pa
drivese.spinner_cm	m	Radius / Distance between center of mass of the spinner and outer surface
drivese.spinner_cost	kg	Cost of the spinner
drivese.spinner_gust_ws	m/s	Extreme gust wind speed
drivese.spinner_mass	kg	Total mass of the spinner
drivese.spinner_mat_cost	USD/kg
drivese.spinner_material	Unavailable
drivese.spinner_rho	kg/m**3
drivese.stage_ratios
drivese.stator_deflection	m
drivese.stator_rotation	rad
drivese.stop_time	s	Time required for the turbine rotor to come to a complete stop
drivese.t_bedplate	m	Bedplate wall thickness (mirrors input)
drivese.tilt	deg	Nacelle uptilt angle
drivese.torq_deflection	m
drivese.torq_rotation	rad
drivese.total_bedplate_mass	kg
drivese.transformer_I	kg*m**2	moments of Inertia for the component [Ixx, Iyy, Izz] around its center of mass
drivese.transformer_cm	m	center of mass of the component in [x,y,z] for an arbitrary coordinate system
drivese.transformer_mass	kg	overall component mass
drivese.transformer_mass_user	kg	Override regular regression-based calculation of transformer mass with this value
drivese.unit_cost_mat	USD/kg	1D array of the unit costs of the materials.
drivese.uptower	Unavailable	Power electronics are placed in the nacelle at the tower top
drivese.upwind	Unavailable	Flag whether the design is upwind or downwind
drivese.x_bedplate	m	Bedplate centerline x-coordinates
drivese.x_bedplate_inner	m	Bedplate lower curve x-coordinates
drivese.x_bedplate_outer	m	Bedplate outer curve x-coordinates
drivese.yaw.rho	kg/m**3	Density of the materials along the column sections.
drivese.yaw_I	kg*m**2	moments of Inertia for the component [Ixx, Iyy, Izz] around its center of mass
drivese.yaw_cm	m	center of mass of the component in [x,y,z] for an arbitrary coordinate system
drivese.yaw_mass	kg	overall component mass
drivese.z_bedplate	m	Bedplate centerline z-coordinates
drivese.z_bedplate_inner	m	Bedplate lower curve z-coordinates
drivese.z_bedplate_outer	m	Bedplate outer curve z-coordinates
env.G_soil	N/m**2	Shear stress of soil
env.Hsig_wave	m	Significant wave heightsignificant wave height
env.Tsig_wave	s	Significant wave periodperiod of maximum wave height
env.mu_air	kg/(m*s)	Dynamic viscosity of airdynamic viscosity of air
env.mu_water	kg/(m*s)	Dynamic viscosity of ocean waterdynamic viscosity of water
env.nu_soil		Poisson ratio of soil
env.rho_air	kg/m**3	Density of airair density
env.rho_water	kg/m**3	Density of ocean waterdensity of water
env.shear_exp		Shear exponent of the wind.
env.speed_sound_air	m/s	Speed of sound in air.
env.water_depth	m	Water depth for analysis. Values > 0 mean offshorewater depth
env.weibull_k		Shape parameter of the Weibull probability density function of the wind.
financese.bos_per_kW	USD/kW	Balance of system costs of the turbine
financese.fixed_charge_rate		Fixed charge rate for coe calculation
financese.lcoe	USD/kW/h
financese.machine_rating	kW	Machine rating
financese.offset_tcc_per_kW	USD/kW	Offset to turbine capital cost
financese.opex_per_kW	USD/kW/yr	Average annual operational expenditures of the turbine
financese.plant_aep	USD/kW/h
financese.plant_aep_in	kW*h	Annual Energy Production of the wind plant
financese.tcc_per_kW	USD/kW	Turbine capital cost
financese.turbine_aep	kW*h	Annual Energy Production of the wind turbine
financese.turbine_number	Unavailable	Number of turbines at plant
financese.wake_loss_factor		The losses in AEP due to waked conditions
generator.B_r	T	Remnant flux density
generator.B_symax	T	Peak Stator Yoke flux density B_ymax
generator.B_tmax	T	Peak Teeth flux density
generator.C_Cu	USD/kg	Specific cost of copper
generator.C_Fe	USD/kg	Specific cost of magnetic steel/iron
generator.C_Fes	USD/kg	Specific cost of structural steel
generator.C_PM	USD/kg	Specific cost of Magnet
generator.E_p	V	Stator phase voltage
generator.I_0	A	no-load excitation current
generator.N_c		Number of turns per coil
generator.P_Fe0e	W/kg	specific eddy losses @ 1.5T, 50Hz
generator.P_Fe0h	W/kg	specific hysteresis losses W / kg @ 1.5 T @50 Hz
generator.S_N		Slip
generator.S_Nmax		Max rated Slip
generator.alpha_p
generator.b		Slot pole combination
generator.b_r_tau_r		Rotor Slot width / Slot pitch ratio
generator.b_ro	m	Rotor slot opening width
generator.b_s_tau_s		Stator Slot width/Slot pitch ratio
generator.b_so	m	Stator slot opening width
generator.b_st	m	arm width b_st
generator.c		Slot pole combination
generator.cofi		power factor
generator.d_r	m	arm depth d_r
generator.d_s	m	arm depth d_s
generator.freq	Hz	grid frequency
generator.h_0	m	Slot height
generator.h_i	m	coil insulation thickness
generator.h_m	m	magnet height
generator.h_s	m	Yoke height h_s
generator.h_sr	m	Structural MassStructural Mass
generator.h_ss	m	Stator yoke height
generator.h_sy0
generator.h_w	m	Slot wedge height
generator.h_yr	m	rotor yoke height
generator.h_ys	m	Yoke height
generator.k_fes		Stator iron fill factor per Grauers
generator.k_fillr		Rotor slot fill factor
generator.k_fills		Stator Slot fill factor
generator.k_s		magnetic saturation factor for iron
generator.len_s	m	Stator core length
generator.m	Unavailable	added mass
generator.mu_0	m*kg/s**2/A**2	permeability of free space
generator.mu_r	m*kg/s**2/A**2	relative permeability (neodymium)
generator.n_r		number of arms n
generator.n_s		number of stator arms n_s
generator.p		pressure oscillation
generator.phi	rad	tilt angle (during transportation)
generator.q1	Unavailable	Stator slots per pole per phase
generator.q2	Unavailable	Rotor slots per pole per phase
generator.rad_ag	m	airgap radius
generator.ratio_mw2pp		ratio of magnet width to pole pitch(bm / self.tau_p)
generator.resist_Cu	ohm/m	Copper resistivity
generator.rho_Copper	kg*m**-3	Copper density
generator.rho_Fe	kg*m**-3	Magnetic Steel density
generator.rho_Fes	kg*m**-3	Structural Steel density
generator.rho_PM	kg*m**-3	Magnet density
generator.sigma	Pa	assumed max shear stress
generator.t_r	m	Rotor disc thickness
generator.t_s	m	Stator disc thickness
generator.t_wr	m	arm depth thickness
generator.t_ws	m	arm depth thickness
generator.u_allow_pcent		Radial deflection as a percentage of air gap diameter
generator.y_allow_pcent		Radial deflection as a percentage of air gap diameter
generator.y_tau_p		Stator coil span to pole pitch
generator.y_tau_pr		Rotor coil span to pole pitch
generator.z_allow_deg	deg	Allowable torsional twist
hub.clearance_hub_spinner	m	Clearance between spinner and hub
hub.cone	rad	Cone angle of the rotor. It defines the angle between the rotor plane and the blade pitch axis. A standard machine has positive values.
hub.diameter	m	cylinder diameter at corresponding locations
hub.flange_ID2flange_OD		Ratio of flange inner diameter to flange outer diameter
hub.flange_OD2hub_D		Ratio of flange outer diameter to hub diameter
hub.flange_t2shell_t		Ratio of flange thickness to shell thickness
hub.hub_in2out_circ
hub.hub_material	Unavailable
hub.hub_stress_concentration		Stress concentration factor. Stress concentration occurs at all fillets, notches, lifting lugs, hatches and are accounted for by assigning a stress concentration factor
hub.n_front_brackets	Unavailable	Number of front spinner brackets
hub.n_rear_brackets	Unavailable	Number of rear spinner brackets
hub.pitch_system_scaling_factor		Scaling factor to tune the total mass (0.54 is recommended for modern designs)
hub.radius	m	Radius of the hub. It defines the distance of the blade root from the rotor center along the coned line.
hub.spin_hole_incr		Ratio between access hole diameter in the spinner and blade root diameter. Typical value 1.2
hub.spinner_gust_ws	m/s	Extreme gust wind speed
hub.spinner_material	Unavailable
landbosse.Mass tonne	t
landbosse.allow_same_flag	Unavailable	Allow same crane for base and topping (True or False)
landbosse.bearing_pressure_n_m2		Bearing Pressure (n/m2)
landbosse.blade_drag_coefficient
landbosse.blade_drag_multiplier
landbosse.blade_install_cycle_time	h
landbosse.blade_lever_arm	m
landbosse.blade_mass	kg	The mass of one rotor blade.Total mass of one blade
landbosse.blade_offload_cycle_time	h
landbosse.blade_offload_hook_height	m
landbosse.bos_capex	USD	Total BOS CAPEX not including commissioning or decommissioning.
landbosse.bos_capex_kW	USD/kW	Total BOS CAPEX per kW not including commissioning or decommissioning.
landbosse.breakpoint_between_base_and_topping_percent		Breakpoint between base and topping (percent)
landbosse.cable_specs	Unavailable	cable specs for collection system
landbosse.commissioning_pct
landbosse.components	Unavailable	Dataframe of components for tower, blade, nacelle
landbosse.construct_duration		Total project construction time (months)
landbosse.crane_breakdown_fraction		0 means the crane is never broken down. 1 means it is broken down every turbine.
landbosse.crane_specs	Unavailable	Dataframe of specifications of cranes
landbosse.crane_width	m	Crane width (m)
landbosse.crew	Unavailable	Dataframe of crew configurations
landbosse.crew_price	Unavailable	Dataframe of costs per hour for each type of worker.
landbosse.critical_height_non_erection_wind_delays_m	m	Non-Erection Wind Delay Critical Height (m)
landbosse.critical_speed_non_erection_wind_delays_m_per_s	m/s	Non-Erection Wind Delay Critical Speed (m/s)
landbosse.decommissioning_pct
landbosse.depth	m	Foundation depth mdepth of foundation in the soil
landbosse.development_labor_cost_usd	USD	The cost of labor in the development phase
landbosse.distance_to_interconnect_mi	mi	Distance to interconnect (miles)
landbosse.equip	Unavailable	Collections of equipment to perform erection operations.
landbosse.equip_price	Unavailable	Prices for various type of equipment.
landbosse.erection_component_name_topvbase	Unavailable	List of components and whether they are a topping or base operation
landbosse.erection_components	Unavailable	List of components with their values modified from the defaults.
landbosse.erection_crane_choice	Unavailable	The crane choices for erection.
landbosse.foundation_height	m	starting height of tower
landbosse.fraction_new_roads		Percent of roads that will be constructed (0.0 - 1.0)
landbosse.fuel_cost_usd_per_gal		Fuel cost USD/gal
landbosse.gust_velocity_m_per_s	m/s	50-year Gust Velocity (m/s)
landbosse.hour_day	Unavailable	Dictionary of normal and long hours for construction in a day in the form of {‘long’: 24, ‘normal’: 10}
landbosse.hub_height_meters	m	Hub height m
landbosse.hub_mass	kg	Mass of the rotor hubTotal mass of the hub shell, including the flanges
landbosse.installation_capex	USD	Total foundation and erection installation cost.
landbosse.installation_capex_kW	USD	Total foundation and erection installation cost per kW.
landbosse.installation_time_months		Total balance of system installation time (months).
landbosse.interconnect_voltage_kV	kV	Interconnect Voltage (kV)
landbosse.labor_cost_multiplier		Labor cost multiplier
landbosse.landbosse_costs_by_module_type_operation	Unavailable	The costs by module, type and operation
landbosse.landbosse_details_by_module	Unavailable	The details from the run of LandBOSSE. This includes some costs, but mostly other things
landbosse.line_frequency_hz	Hz	Line Frequency (Hz)
landbosse.markup_contingency		Markup contingency
landbosse.markup_overhead		Markup overhead
landbosse.markup_profit_margin		Markup profit margin
landbosse.markup_sales_and_use_tax		Markup sales and use tax
landbosse.markup_warranty_management		Markup warranty management
landbosse.material_price	Unavailable	Prices of materials for foundations and roads
landbosse.nacelle_mass	kg	Mass of nacelle system
landbosse.new_switchyard	Unavailable	New Switchyard (True or False)
landbosse.num_access_roads	Unavailable	Number of access roads
landbosse.num_hwy_permits	Unavailable	Number of highway permits
landbosse.num_turbines	Unavailable	Number of turbines in projectNumber of turbines that need scouring protection.
landbosse.number_of_blades	Unavailable	Number of blades on the rotor
landbosse.overtime_multiplier		Overtime multiplier
landbosse.project_data	Unavailable	Dictionary of all dataframes of data
landbosse.rate_of_deliveries	Unavailable	Rate of deliveries (turbines per week)
landbosse.rated_thrust_N	N	Rated Thrust (N)
landbosse.road_distributed_winnd	Unavailable
landbosse.road_length_adder_m	m	Road length adder (m)
landbosse.road_quality		Road Quality (0-1)
landbosse.road_thickness		Road thickness (in)
landbosse.road_width_ft	ft	Road width (ft)
landbosse.rotor_diameter_m	m	Rotor diameter m
landbosse.row_spacing_rotor_diameters		Row spacing (times rotor diameter)
landbosse.rsmeans	Unavailable	RSMeans price data
landbosse.site_facility_building_area_df	Unavailable	site_facility_building_area DataFrame
landbosse.time_construct	Unavailable	One of the keys in the hour_day dictionary to specify how many hours per day construction happens.
landbosse.total_capex	USD	Total BOS CAPEX including commissioning and decommissioning.
landbosse.total_capex_kW	USD/kW	Total BOS CAPEX per kW including commissioning and decommissioning.
landbosse.tower_mass	kg	Mass of tower
landbosse.tower_section_length_m	m
landbosse.trench_len_to_substation_km	km	Combined Homerun Trench Length to Substation (km)
landbosse.turbine_rating_MW	MW	Turbine rating MW
landbosse.turbine_spacing_rotor_diameters		Turbine spacing (times rotor diameter)
landbosse.user_defined_distance_to_grid_connection	Unavailable	Flag for user-defined home run trench length (True or False)
landbosse.user_defined_home_run_trench	Unavailable	Flag for user-defined home run trench length (0 = no; 1 = yes)
landbosse.weather_window	Unavailable	Dataframe of wind toolkit data
landbosse.wind_shear_exponent		Wind shear exponent
materials.E	Pa	2D array of the Youngs moduli of the materials. Each row represents a material, the three columns represent E11, E22 and E33.Isotropic Youngs modulus of the materials along the column sections.
materials.G	Pa	2D array of the shear moduli of the materials. Each row represents a material, the three columns represent G12, G13 and G23.Isotropic shear modulus of the materials along the column sections.
materials.Xc	Pa	2D array of the Ultimate Compressive Strength (UCS) of the materials. Each row represents a material, the three columns represent Xc12, Xc13 and Xc23.
materials.Xt	Pa	2D array of the Ultimate Tensile Strength (UTS) of the materials. Each row represents a material, the three columns represent Xt12, Xt13 and Xt23.
materials.component_id	Unavailable	1D array of flags to set whether a material is used in a blade: 0 - coating, 1 - sandwich filler , 2 - shell skin, 3 - shear webs, 4 - spar caps, 5 - TE reinf.isotropic.
materials.fvf		1D array of the non-dimensional fiber volume fraction of the composite materials. Non-composite materials are kept at 0.
materials.fvf_from_yaml		1D array of the non-dimensional fiber volume fraction of the composite materials. Non-composite materials are kept at 0.
materials.fwf		1D array of the non-dimensional fiber weight- fraction of the composite materials. Non-composite materials are kept at 0.
materials.fwf_from_yaml		1D array of the non-dimensional fiber weight- fraction of the composite materials. Non-composite materials are kept at 0.
materials.name	Unavailable	1D array of names of materials.
materials.nu		2D array of the Poisson ratio of the materials. Each row represents a material, the three columns represent nu12, nu13 and nu23.poissons ratio of column material
materials.orth	Unavailable	1D array of flags to set whether a material is isotropic (0) or orthtropic (1). Each entry represents a material.
materials.ply_t	m	1D array of the ply thicknesses of the materials. Non-composite materials are kept at 0.
materials.ply_t_from_yaml	m	1D array of the ply thicknesses of the materials. Non-composite materials are kept at 0.
materials.rho	kg/m**3	1D array of the density of the materials. For composites, this is the density of the laminate.Density of the materials along the column sections.
materials.rho_area_dry	kg/m**2	1D array of the dry aerial density of the composite fabrics. Non-composite materials are kept at 0.
materials.rho_fiber	kg/m**3	1D array of the density of the fibers of the materials.
materials.roll_mass	kg	1D array of the roll mass of the composite fabrics. Non-composite materials are kept at 0.
materials.sigma_y	Pa	Yield stress of the material (in the principle direction for composites).Isotropic yield strength of the materials along the column sections.
materials.unit_cost	USD/kg	1D array of the unit costs of the materials.Unit costs of the materials along the column sections.
materials.waste		1D array of the non-dimensional waste fraction of the materials.
monopile.diameter	m	1D array of the outer diameter values defined along the tower axis.cylinder diameter at corresponding locations
monopile.foundation_height	m	Foundation height in respect to the ground level.starting height of tower
monopile.gravity_foundation_mass	kg	extra mass of gravity foundationpoint mass of transition piece
monopile.height	m	Scalar of the tower height computed along the z axis.Scalar of the column height computed along the z axis.
monopile.layer_mat	Unavailable	1D array of the names of the materials of each layer modeled in the tower structure.
monopile.layer_name	Unavailable	1D array of the names of the layers modeled in the tower structure.
monopile.layer_thickness	m	2D array of the thickness of the layers of the tower structure. The first dimension represents each layer, the second dimension represents each piecewise-constant entry of the tower sections.2D array of the thickness of the layers of the column structure. The first dimension represents each layer, the second dimension represents each piecewise- constant entry of the column sections.
monopile.length	m	Scalar of the tower length computed along its curved axis. A standard straight tower will be as high as long.Length of a single cable connecting the OSS to the interconnection in km.
monopile.outfitting_factor		Multiplier that accounts for secondary structure mass inside of towerMass fraction added for outfitting
monopile.ref_axis	m	2D array of the coordinates (x,y,z) of the tower reference axis. The coordinate system is the global coordinate system of OpenFAST: it is placed at tower base with x pointing downwind, y pointing on the side and z pointing vertically upwards. A standard tower configuration will have zero x and y values and positive z values.
monopile.s		1D array of the non-dimensional grid defined along the tower axis (0-tower base, 1-tower top)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
monopile.transition_piece_cost	USD	cost of transition pieceCost of transition piece
monopile.transition_piece_mass	kg	point mass of transition piecepoint mass of transition piece
nacelle.L_generator	m	Generator length along shaftGenerator stack width
nacelle.bedplate_flange_thickness	m	Bedplate I-beam flange thicknessBedplate is two parallel I beams, this is the flange thickness
nacelle.bedplate_flange_width	m	Bedplate I-beam flange widthBedplate is two parallel I beams, this is the flange width
nacelle.bedplate_material	Unavailable	Material name identifier for the bedplate
nacelle.bedplate_wall_thickness	m	Thickness of hollow elliptical bedplateBedplate wall thickness
nacelle.bedplate_web_thickness	m	Bedplate I-beam web thicknessBedplate is two parallel I beams, this is the web thickness
nacelle.brake_mass_user	kg	Override regular regression-based calculation of brake mass with this valueUser override of brake mass
nacelle.converter_mass_user	kg	Override regular regression-based calculation of converter mass with this valueOverride regular regression-based calculation of converter mass with this value
nacelle.distance_hub2mb	m	Distance from hub flange to first main bearing along shaft
nacelle.distance_mb2mb	m	Distance from first to second main bearing along shaft
nacelle.distance_tt_hub	m	Vertical distance from tower top plane to hub flange
nacelle.gear_configuration	Unavailable	3-letter string of Es or Ps to denote epicyclic or parallel gear configuration3-letter string of Es or Ps to denote epicyclic or parallel gear configuration
nacelle.gear_ratio		Total gear ratio of drivetrain (use 1.0 for direct)overall gearbox ratio
nacelle.gearbox_efficiency		Efficiency of the gearbox. Set to 1.0 for direct-drive
nacelle.hss_diameter	m	Diameter of high speed shaftLss discretized diameter values at coordinates
nacelle.hss_length	m	Length of high speed shaft
nacelle.hss_material	Unavailable	Material name identifier for the high speed shaft
nacelle.hss_wall_thickness	m	Wall thickness of high speed shaftLss discretized thickness values at coordinates
nacelle.hvac_mass_coeff	kg/kW/m	Regression-based scaling coefficient on machine rating to get HVAC system massRegression-based scaling coefficient on machine rating to get HVAC system mass
nacelle.lss_diameter	m	Diameter of low speed shaftLSS outer diameter from hub to bearing 2
nacelle.lss_material	Unavailable	Material name identifier for the low speed shaft
nacelle.lss_wall_thickness	m	Thickness of low speed shaftLSS wall thickness
nacelle.mb1Type	Unavailable	Type of main bearing: CARB / CRB / SRB / TRB
nacelle.mb2Type	Unavailable	Type of main bearing: CARB / CRB / SRB / TRB
nacelle.nose_diameter	m	Diameter of nose (also called turret or spindle)Nose outer diameter from bearing 1 to bedplate
nacelle.nose_wall_thickness	m	Thickness of nose (also called turret or spindle)Nose wall thickness
nacelle.overhang	m	Horizontal distance from tower top edge to hub flangeHorizontal distance between hub and tower-top axis
nacelle.planet_numbers	Unavailable	Number of planets for epicyclic stages (use 0 for parallel)
nacelle.transformer_mass_user	kg	Override regular regression-based calculation of transformer mass with this valueOverride regular regression-based calculation of transformer mass with this value
nacelle.uptilt	rad	Nacelle uptilt angle. A standard machine has positive values.
nacelle.uptower	Unavailable	If power electronics are located uptower (True) or at tower base (False)Power electronics are placed in the nacelle at the tower top
orbit.anchor_mass	kg	Total mass of an anchor
orbit.anchor_type	Unavailable	Number of mooring lines per platform.SUCTIONPILE or DRAGEMBEDMENT
orbit.blade_deck_space	m**2	Deck space required to transport a blade. Defaults to 0 in order to not be a constraint on installation.
orbit.blade_mass	t	mass of an individual blade.Total mass of one blade
orbit.boem_review_cost	USD	Cost for additional review by U.S. Dept of Interior Bureau of Ocean Energy Management (BOEM)
orbit.bos_capex	USD	Total BOS CAPEX not including commissioning or decommissioning.
orbit.commissioning_pct		Commissioning percent.
orbit.construction_operations_plan_cost	USD	Cost to do construction planning
orbit.decommissioning_pct		Decommissioning percent.
orbit.design_install_plan_cost	USD	Cost to do installation planning
orbit.feeder	Unavailable	Vessel configuration to use for (optional) feeder barges.
orbit.hub_height	m	Turbine hub height.hub height of wind turbine above ground / sea level
orbit.installation_capex	USD	Total balance of system installation cost.
orbit.installation_time	h	Total balance of system installation time.
orbit.interconnection_distance	km	Distance from landfall to interconnection.
orbit.monopile_deck_space	m**2	Deck space required to transport a monopile. Defaults to 0 in order to not be a constraint on installation.
orbit.monopile_diameter	m	Diameter of monopile.
orbit.monopile_length	m	Length of monopile.
orbit.monopile_mass	t	mass of an individual monopile.Monopile mass
orbit.mooring_line_diameter	m	Cross-sectional diameter of a mooring line
orbit.mooring_line_length	m	Unstretched mooring line lengthUnstretched total mooring line length
orbit.mooring_line_mass	kg	Total mass of a mooring line
orbit.nacelle_deck_space	m**2	Deck space required to transport the rotor nacelle assembly (RNA). Defaults to 0 in order to not be a constraint on installation.
orbit.nacelle_mass	t	mass of the rotor nacelle assembly (RNA).Mass of nacelle system
orbit.num_assembly_lines	Unavailable	Number of assembly lines used when assembly occurs at the port.
orbit.num_feeders	Unavailable	Number of feeder barges to use for installation of foundations and turbines.
orbit.num_mooring_lines	Unavailable	Number of mooring lines per platform.
orbit.num_port_cranes	Unavailable	Number of cranes used at the port to load feeders / WTIVS when assembly occurs on-site or assembly cranes when assembling at port.
orbit.num_station_keeping	Unavailable	Number of station keeping vessels that attach to floating platforms under tow-out.
orbit.num_towing	Unavailable	Number of towing vessels to use for floating platforms that are assembled at port (with or without the turbine).
orbit.number_of_blades	Unavailable	Number of blades per turbine.
orbit.number_of_turbines	Unavailable	Number of turbines.
orbit.oss_install_vessel	Unavailable	Vessel configuration to use for installation of offshore substations.
orbit.plant_row_spacing		Row spacing in rotor diameters. Not used in ring layouts.
orbit.plant_substation_distance	km	Distance from first turbine in string to substation.
orbit.plant_turbine_spacing		Turbine spacing in rotor diameters.
orbit.port_cost_per_month	USD/mo	Monthly port costs.
orbit.site_assessment_cost	USD	Cost to execute site assessment
orbit.site_assessment_plan_cost	USD	Cost to do engineering plan for site assessment
orbit.site_auction_price	USD	Cost to secure site lease
orbit.site_depth	m	Site depth.Average depth at the site in km.
orbit.site_distance	km	Distance from site to installation port.
orbit.site_distance_to_landfall	km	Distance from site to landfall for export cable.
orbit.site_mean_windspeed	m/s	Mean windspeed of the site.
orbit.takt_time	h	Substructure assembly cycle time when doing assembly at the port.
orbit.total_capex	USD	Total BOS CAPEX including commissioning and decommissioning.
orbit.total_capex_kW	USD/kW	Total BOS CAPEX including commissioning and decommissioning.
orbit.tower_deck_space	m**2	Deck space required to transport the tower. Defaults to 0 in order to not be a constraint on installation.
orbit.tower_length	m	Total length of the tower.
orbit.tower_mass	t	mass of the total tower.Mass of tower
orbit.transition_piece_deck_space	m**2	Deck space required to transport a transition piece. Defaults to 0 in order to not be a constraint on installation.
orbit.transition_piece_mass	t	mass of an individual transition piece.point mass of transition piece
orbit.turbine_capex	USD/kW	Turbine CAPEX
orbit.turbine_rated_windspeed	m/s	Rated windspeed of the turbine.
orbit.turbine_rating	MW	Rated capacity of a turbine.Capacity of an individual turbine in MW.
orbit.turbine_rotor_diameter	m	Turbine rotor diameter.
orbit.wtiv	Unavailable	Vessel configuration to use for installation of foundations and turbines.
outputs_2_screen.Flp_omega	rad/s
outputs_2_screen.Flp_zeta
outputs_2_screen.My_std	N*m
outputs_2_screen.PC_omega	rad/s
outputs_2_screen.PC_zeta
outputs_2_screen.VS_omega	rad/s
outputs_2_screen.VS_zeta
outputs_2_screen.aep	GW * h
outputs_2_screen.blade_mass	kg	Total mass of one blade
outputs_2_screen.flp1_std	deg
outputs_2_screen.lcoe	USD/MW/h
outputs_2_screen.tip_deflection	m	Blade tip deflection in yaw x-direction
re.A	m**2	airfoil cross section material areamagnitude of wave acceleration
re.EA	N	axial stiffness
re.EIxx	N*m**2	edgewise stiffness (bending about x-axis of airfoil aligned coordinate system)
re.EIxy	N*m**2	coupled flap-edge stiffness
re.EIyy	N*m**2	flatwise stiffness (bending about y-axis of airfoil aligned coordinate system)
re.GJ	N*m**2	torsional stiffness (about axial z-axis of airfoil aligned coordinate system)
re.Tw_iner	m	Orientation of the section principal inertia axes with respect the blade reference plane
re.chord	m	chord length at each sectionChord length at each section.
re.precomp.E	Pa	2D array of the Youngs moduli of the materials. Each row represents a material, the three columns represent E11, E22 and E33.Isotropic Youngs modulus of the materials along the column sections.
re.precomp.G	Pa	2D array of the shear moduli of the materials. Each row represents a material, the three columns represent G12, G13 and G23.Isotropic shear modulus of the materials along the column sections.
re.precomp.I_all_blades	kg*m**2	mass moments of inertia of all blades in yaw c.s. order:Ixx, Iyy, Izz, Ixy, Ixz, Iyz
re.precomp.blade_mass	kg	mass of one bladeTotal mass of one blade
re.precomp.blade_moment_of_inertia	kg*m**2	mass moment of inertia of blade about hub
re.precomp.component_id	Unavailable	1D array of flags to set whether a material is used in a blade: 0 - coating, 1 - sandwich filler , 2 - shell skin, 3 - shear webs, 4 - spar caps, 5 - TE reinf.isotropic.
re.precomp.coord_xy_interp		3D array of the non-dimensional x and y airfoil coordinates of the airfoils interpolated along span for n_span stations.
re.precomp.definition_layer	Unavailable	1D array of flags identifying how layers are specified in the yaml. 1) all around (skin, paint, ) 2) offset+rotation twist+width (spar caps) 3) offset+user defined rotation+width 4) midpoint TE+width (TE reinf) 5) midpoint LE+width (LE reinf) 6) layer position fixed to other layer (core fillers) 7) start and width 8) end and width 9) start and end nd 10) web layer
re.precomp.edge_iner	kg/m	Section lag inertia about the X_G axis per unit length
re.precomp.fiber_orientation	deg	2D array of the orientation of the layers of the blade structure. The first dimension represents each layer, the second dimension represents each entry along blade span.
re.precomp.flap_iner	kg/m	Section flap inertia about the Y_G axis per unit length.
re.precomp.fvf		1D array of the non-dimensional fiber volume fraction of the composite materials. Non-composite materials are kept at 0.
re.precomp.fwf		1D array of the non-dimensional fiber weight- fraction of the composite materials. Non-composite materials are kept at 0.
re.precomp.layer_end_nd		2D array of the non-dimensional end point defined along the outer profile of a layer. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each layer, the second dimension represents each entry along blade span.
re.precomp.layer_start_nd		2D array of the non-dimensional start point defined along the outer profile of a layer. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each layer, the second dimension represents each entry along blade span.
re.precomp.layer_thickness	m	2D array of the thickness of the layers of the blade structure. The first dimension represents each layer, the second dimension represents each entry along blade span.2D array of the thickness of the layers of the column structure. The first dimension represents each layer, the second dimension represents each piecewise- constant entry of the column sections.
re.precomp.layer_web		1D array of the web id the layer is associated to. If the layer is on the outer profile, this entry can simply stay equal to 0.
re.precomp.mass_all_blades	kg	mass of all blades
re.precomp.mat_name	Unavailable	1D array of names of materials.
re.precomp.n_blades	Unavailable	Number of blades of the rotor.Number of rotor blades
re.precomp.nu		2D array of the Poisson ratio of the materials. Each row represents a material, the three columns represent nu12, nu13 and nu23.poissons ratio of column material
re.precomp.orth	Unavailable	1D array of flags to set whether a material is isotropic (0) or orthtropic (1). Each entry represents a material.
re.precomp.pitch_axis		1D array of the chordwise position of the pitch axis (0-LE, 1-TE), defined along blade span.
re.precomp.ply_t	m	1D array of the ply thicknesses of the materials. Non-composite materials are kept at 0.
re.precomp.rho	kg/m**3	1D array of the density of the materials. For composites, this is the density of the laminate.Density of the materials along the column sections.
re.precomp.rho_area_dry	kg/m**2	1D array of the dry aerial density of the composite fabrics. Non-composite materials are kept at 0.
re.precomp.rho_fiber	kg/m**3	1D array of the density of the fibers of the materials.
re.precomp.roll_mass	kg	1D array of the roll mass of the composite fabrics. Non-composite materials are kept at 0.
re.precomp.total_blade_cost	USD	total blade cost
re.precomp.total_blade_mass	USD	total blade cost
re.precomp.unit_cost	USD/kg	1D array of the unit costs of the materials.Unit costs of the materials along the column sections.
re.precomp.uptilt	deg	Nacelle uptilt angle. A standard machine has positive values.
re.precomp.waste		1D array of the non-dimensional waste fraction of the materials.
re.precomp.web_end_nd		2D array of the non-dimensional end point defined along the outer profile of a web. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each web, the second dimension represents each entry along blade span.
re.precomp.web_start_nd		2D array of the non-dimensional start point defined along the outer profile of a web. The TE suction side is 0, the TE pressure side is 1. The first dimension represents each web, the second dimension represents each entry along blade span.
re.precomp.x_cg	m	X-coordinate of the center-of-mass offset with respect to the XR-YR axes
re.precomp.x_tc	m	X-coordinate of the tension-center offset with respect to the XR-YR axes
re.precomp.xl_strain_spar		x-position of midpoint of spar cap on lower surface for strain calculation
re.precomp.xl_strain_te		x-position of midpoint of trailing-edge panel on lower surface for strain calculation
re.precomp.xu_strain_spar		x-position of midpoint of spar cap on upper surface for strain calculation
re.precomp.xu_strain_te		x-position of midpoint of trailing-edge panel on upper surface for strain calculation
re.precomp.y_cg	m	Chordwise offset of the section center of mass with respect to the XR-YR axes
re.precomp.y_tc	m	Chordwise offset of the section tension-center with respect to the XR-YR axes
re.precomp.yl_strain_spar		y-position of midpoint of spar cap on lower surface for strain calculation
re.precomp.yl_strain_te		y-position of midpoint of trailing-edge panel on lower surface for strain calculation
re.precomp.yu_strain_spar		y-position of midpoint of spar cap on upper surface for strain calculation
re.precomp.yu_strain_te		y-position of midpoint of trailing-edge panel on upper surface for strain calculation
re.precomp.z	m	locations of properties along beamlocation along cylinder. start at bottom and go to top
re.precurve	m	precurve at each sectionPrecurve at each section.
re.presweep	m	presweep at each section
re.r	m	radial locations where blade is defined (should be increasing and not go all the way to hub or tip)Radial locations where blade is defined. Should be increasing and not go all the way to hub or tip.
re.rail.blade_ref_axis	m	2D array of the coordinates (x,y,z) of the blade reference axis, defined along blade span. The coordinate system is the one of BeamDyn: it is placed at blade root with x pointing the suction side of the blade, y pointing the trailing edge and z along the blade span. A standard configuration will have negative x values (prebend), if swept positive y values, and positive z values.
re.rail.constr_LV_4axle_horiz		Constraint for max L/V for a 4-axle flatcar on horiz curves, violated when bigger than 1
re.rail.constr_LV_4axle_vert		Constraint for max L/V for a 4-axle flatcar on vert curves, violated when bigger than 1
re.rail.constr_LV_8axle_horiz		Constraint for max L/V for an 8-axle flatcar on horiz curves, violated when bigger than 1
re.rail.constr_LV_8axle_vert		Constraint for max L/V for an 8-axle flatcar on vert curves, violated when bigger than 1
re.rail.constr_strainLE		Strain along leading edge side of blade on a vertical curve
re.rail.constr_strainPS		Strain along pressure side of blade on a horizontal curve
re.rail.constr_strainSS		Strain along suction side of blade on a horizontal curve
re.rail.constr_strainTE		Strain along trailing edge side of blade on a vertical curve
re.rail.coord_xy_dim	m	3D array of the dimensional x and y airfoil coordinates of the airfoils interpolated along span for n_span stations. The origin is placed at the pitch axis.
re.rail.coord_xy_interp		3D array of the non-dimensional x and y airfoil coordinates of the airfoils interpolated along span for n_span stations. The leading edge is place at x=0 and y=0.
re.rail.deck_height	m	Height of the deck of the flatcar from the rails (4 feet)
re.rail.flatcar_tc_length	m	Flatcar truck center to truck center lenght
re.rail.horizontal_angle_deg	deg	Angle of horizontal turn (defined for an chord of 100 feet)
re.rail.lateral_clearance	m	Clearance profile horizontal (22 feet)
re.rail.max_LV		Max allowable ratio between lateral and vertical forces
re.rail.max_flatcar_weight_4axle	kg	Max mass of an 4-axle flatcar (286000 lbm)
re.rail.max_flatcar_weight_8axle	kg	Max mass of an 8-axle flatcar (480000 lbm)
re.rail.max_root_rot_deg	deg	Max degree of angle at blade root
re.rail.max_strains		Max allowable strains during transport
re.rail.min_vertical_radius	m	Minimum radius of a vertical curvature (hill or sag) (2000 feet)
re.rail.pitch_axis		1D array of the chordwise position of the pitch axis (0-LE, 1-TE), defined along blade span.
re.rail.vertical_clearance	m	Clearance profile vertical (23 feet)
re.rhoA	kg/m	mass per unit length
re.rhoJ	kg*m	polar mass moment of inertia per unit length
re.sc_ps_mats		spar cap, pressure side, boolean of materials in each composite layer spanwise, passed as floats for differentiablity, used for Fatigue Analysis
re.sc_ss_mats		spar cap, suction side, boolean of materials in each composite layer spanwise, passed as floats for differentiablity, used for Fatigue Analysis
re.te_ps_mats		trailing edge reinforcement, pressure side, boolean of materials in each composite layer spanwise, passed as floats for differentiablity, used for Fatigue Analysis
re.te_ss_mats		trailing edge reinforcement, suction side, boolean of materials in each composite layer spanwise, passed as floats for differentiablity, used for Fatigue Analysis
re.theta	deg	Twist angle at each section (positive decreases angle of attack)Twist angle at each section (positive decreases angle of attack).
re.x_ec	m	x-distance to elastic center from point about which above structural properties are computed (airfoil aligned coordinate system)
re.x_sc	m	X-coordinate of the shear-center offset with respect to the XR-YR axes
re.y_ec	m	y-distance to elastic center from point about which above structural properties are computed
re.y_sc	m	Chordwise offset of the section shear-center with respect to the reference frame, XR-YR
rp.AEP	kW*h	annual energy production
rp.Rhub	m	hub radiusHub radius.
rp.Rtip	m	tip radiusBlade tip location in z_b
rp.aep.CDF_V	m/s	cumulative distribution function evaluated at each wind speed
rp.aep.P	W	power curve (power)
rp.aep.lossFactor		multiplicative factor for availability and other losses (soiling, array, etc.)
rp.airfoils_Re		Reynolds numbers of polarsReynolds numbers of polars.
rp.airfoils_aoa	deg	angle of attack grid for polarsAngle of attack grid for polars.
rp.airfoils_cd		drag coefficients, spanwiseDrag coefficients, spanwise.
rp.airfoils_cl		lift coefficients, spanwiseLift coefficients, spanwise.
rp.airfoils_cm		moment coefficients, spanwiseMoment coefficients, spanwise.
rp.cdf.F	m/s	magnitude of wind speed at each z location
rp.cdf.k		shape or form factor
rp.cdf.x	m/s	corresponding reference height
rp.cdf.xbar	m/s	mean value of distribution
rp.chord	m	chord length at each sectionChord length at each section.
rp.control_maxTS	m/s	maximum allowed blade tip speed
rp.control_pitch	deg	pitch angle in region 2 (and region 3 for fixed pitch machines)
rp.drivetrainType	Unavailable
rp.gust.V_gust	m/s	gust wind speed
rp.gust.V_hub	m/s	hub height wind speed
rp.gust.V_mean	m/s	IEC average wind speed for turbine class
rp.gust.std		number of standard deviations for strength of gust
rp.gust.turbulence_class	Unavailable	IEC turbulence class
rp.hub_height	m	hub heighthub height of wind turbine above ground / sea level
rp.mu	kg/(m*s)	dynamic viscosity of airDynamic viscosity of air
rp.nBlades	Unavailable	number of bladesNumber of blades
rp.omega_max	rpm	maximum allowed rotor rotation speed
rp.omega_min	rpm	minimum allowed rotor rotation speed
rp.powercurve.Cm_aero		rotor aerodynamic moment coefficient
rp.powercurve.Cp		rotor electrical power coefficient
rp.powercurve.Cp_aero		rotor aerodynamic power coefficient
rp.powercurve.Cp_regII		power coefficient at cut-in wind speed
rp.powercurve.Cq_aero		rotor aerodynamic torque coefficient
rp.powercurve.Ct_aero		rotor aerodynamic thrust coefficient
rp.powercurve.M	N*m	blade root moment
rp.powercurve.Omega	rpm	rotor rotational speed
rp.powercurve.Omega_spline	rpm	omega
rp.powercurve.P	W	rotor electrical power
rp.powercurve.P_aero	W	rotor mechanical power
rp.powercurve.P_spline	W	rotor electrical power
rp.powercurve.Q	N*m	rotor aerodynamic torque
rp.powercurve.T	N	rotor aerodynamic thrust
rp.powercurve.V	m/s	wind vector
rp.powercurve.V_R25	m/s	region 2.5 transition wind speed
rp.powercurve.V_spline	m/s	wind vector
rp.powercurve.aoa_regII	deg	angle of attack distribution along blade span at cut-in wind speed
rp.powercurve.ax_induct_regII		rotor axial induction at cut-in wind speed along blade span
rp.powercurve.cd_regII		drag coefficient distribution along blade span at cut-in wind speed
rp.powercurve.cl_regII		lift coefficient distribution along blade span at cut-in wind speed
rp.powercurve.gearbox_efficiency
rp.powercurve.generator_efficiency		Generator efficiency at various rpm values to support table lookup
rp.powercurve.hubloss	Unavailable	include Prandtl hub loss modelInclude Prandtl hub loss model.
rp.powercurve.lss_rpm	rpm	Low speed shaft RPM values at which the generator efficiency values are given
rp.powercurve.nSector	Unavailable	number of sectors to divide rotor face into in computing thrust and powerNumber of sectors to divide rotor face into in computing thrust and power.
rp.powercurve.pitch	deg	rotor pitch schedule
rp.powercurve.rated_Omega	rpm	rotor rotation speed at rated
rp.powercurve.rated_Q	N*m	rotor aerodynamic torque at rated
rp.powercurve.rated_T	N	rotor aerodynamic thrust at rated
rp.powercurve.rated_V	m/s	rated wind speed
rp.powercurve.rated_efficiency		Efficiency at rated conditions
rp.powercurve.rated_mech	W	Mechanical shaft power at rated
rp.powercurve.rated_pitch	deg	pitch setting at rated
rp.powercurve.shearExp		shear exponentshear exponent
rp.powercurve.tang_induct_regII		rotor tangential induction at cut-in wind speed along blade span
rp.powercurve.tiploss	Unavailable	include Prandtl tip loss modelInclude Prandtl tip loss model.
rp.powercurve.usecd	Unavailable	use drag coefficient in computing induction factorsUse drag coefficient in computing induction factors.
rp.powercurve.wakerotation	Unavailable	include effect of wake rotation (i.e., tangential induction factor is nonzero)Iclude effect of wake rotation (i.e., tangential induction factor is nonzero).
rp.precone	deg	precone angleRotor precone angle
rp.precurve	m	precurve at each sectionPrecurve at each section.
rp.precurveTip	m	precurve at tipPrecurve at tip.
rp.presweep	m	presweep at each section
rp.presweepTip	m	presweep at tip
rp.r	m	radial locations where blade is defined (should be increasing and not go all the way to hub or tip)Radial locations where blade is defined. Should be increasing and not go all the way to hub or tip.
rp.rated_power	W	electrical rated power
rp.rho	kg/m**3	density of airDensity of the materials along the column sections.
rp.theta	deg	twist angle at each section (positive decreases angle of attack)Twist angle at each section (positive decreases angle of attack).
rp.tilt	deg	shaft tiltNacelle uptilt angle
rp.tsr_operational		tip-speed ratio in Region 2 (should be optimized externally)
rp.v_max	m/s	cut-out wind speed
rp.v_min	m/s	cut-in wind speed
rp.yaw	deg	yaw erroryaw angle
rs.3d_curv	deg	total cone angle from precone and curvature
rs.A	m**2	airfoil cross section material areamagnitude of wave acceleration
rs.EA	N	axial stiffness
rs.EIxx	N*m**2	edgewise stiffness (bending about x-axis of airfoil aligned coordinate system)
rs.EIxy	N*m**2	coupled flap-edge stiffness
rs.EIyy	N*m**2	flapwise stiffness (bending about y-axis of airfoil aligned coordinate system)
rs.GJ	N*m**2	torsional stiffness (about axial z-direction of airfoil aligned coordinate system)
rs.Omega_load	rpm	Rotor rotation speed.
rs.Rhub	m	Hub radius.
rs.Rtip	m	Blade tip location in z_b
rs.aero_gust.V_load	m/s	Hub height wind speed.
rs.aero_gust.azimuth_load	deg	Blade azimuthal location.
rs.aero_gust.hubloss	Unavailable	Include Prandtl hub loss model.
rs.aero_gust.loads_Px	N/m
rs.aero_gust.loads_Py	N/m
rs.aero_gust.loads_Pz	N/m
rs.aero_gust.loads_r	m
rs.aero_gust.nSector	Unavailable	Number of sectors to divide rotor face into in computing thrust and power.
rs.aero_gust.precurve	m	Precurve at each section.
rs.aero_gust.precurveTip	m	Precurve at tip.
rs.aero_gust.shearExp		shear exponent
rs.aero_gust.tiploss	Unavailable	Include Prandtl tip loss model.
rs.aero_gust.usecd	Unavailable	Use drag coefficient in computing induction factors.
rs.aero_gust.wakerotation	Unavailable	Iclude effect of wake rotation (i.e., tangential induction factor is nonzero).
rs.aero_gust.yaw	deg	yaw angle
rs.aero_hub_loads.Fxyz_blade_aero	N	Forces at blade root from aerodynamic loading in the blade c.s.
rs.aero_hub_loads.Fxyz_hub_aero	N
rs.aero_hub_loads.Mxyz_blade_aero	N*m	Moments at blade root from aerodynamic loading in the blade c.s.
rs.aero_hub_loads.Mxyz_hub_aero	N*m
rs.aero_hub_loads.V_load	m/s	Hub height wind speed.
rs.aero_hub_loads.hubloss	Unavailable	Include Prandtl hub loss model.
rs.aero_hub_loads.precurve	m	Precurve at each section.
rs.aero_hub_loads.precurveTip	m	Precurve at tip.
rs.aero_hub_loads.shearExp		shear exponent
rs.aero_hub_loads.tiploss	Unavailable	Include Prandtl tip loss model.
rs.aero_hub_loads.usecd	Unavailable	Use drag coefficient in computing induction factors.
rs.aero_hub_loads.wakerotation	Unavailable	Iclude effect of wake rotation (i.e., tangential induction factor is nonzero).
rs.aero_hub_loads.yaw	deg	yaw angle
rs.airfoils_Re		Reynolds numbers of polars.
rs.airfoils_aoa	deg	Angle of attack grid for polars.
rs.airfoils_cd		Drag coefficients, spanwise.
rs.airfoils_cl		Lift coefficients, spanwise.
rs.airfoils_cm		Moment coefficients, spanwise.
rs.chord	m	Chord length at each section.
rs.constr.blade_number	Unavailable	number of rotor blades
rs.constr.constr_edge_f_margin		constraint on edge blade frequency such that ratio of 3P/f is above or below gamma with constraint <= 0
rs.constr.constr_flap_f_margin		constraint on flap blade frequency such that ratio of 3P/f is above or below gamma with constraint <= 0
rs.constr.constr_max_strainL_spar		constraint for maximum strain in spar cap pressure side
rs.constr.constr_max_strainU_spar		constraint for maximum strain in spar cap suction side
rs.constr.edge_mode_freqs	Hz	Frequencies associated with mode shapes in the edge direction
rs.constr.flap_mode_freqs	Hz	Frequencies associated with mode shapes in the flap direction
rs.constr.max_strainL_spar		maximum strain in spar cap pressure side
rs.constr.max_strainU_spar		minimum strain in spar cap pressure side
rs.constr.min_strainL_spar		maximum strain in spar cap suction side
rs.constr.min_strainU_spar		minimum strain in spar cap suction side
rs.constr.rated_Omega	rpm	rotor rotation speed at rated
rs.constr.s		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
rs.constr.s_opt_spar_cap_ps		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade spar cap suction side
rs.constr.s_opt_spar_cap_ss		1D array of the non-dimensional spanwise grid defined along blade axis to optimize the blade spar cap suction side
rs.constr.strainL_spar		strain in spar cap on lower surface at location xl,yl_strain with loads P_strain
rs.constr.strainU_spar		strain in spar cap on upper surface at location xu,yu_strain with loads P_strain
rs.curvature.s	m	cumulative path length along blade1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
rs.frame.Px_af		distributed load (force per unit length) in airfoil x-direction
rs.frame.Py_af		distributed load (force per unit length) in airfoil y-direction
rs.frame.Pz_af		distributed load (force per unit length) in airfoil z-direction
rs.frame.all_mode_shapes		6-degree polynomial coefficients of mode shapes in the edge direction (x^2..x^6, no linear or constant term)
rs.frame.dx	m	deflection of blade section in airfoil x-direction
rs.frame.dy	m	deflection of blade section in airfoil y-direction
rs.frame.dz	m	deflection of blade section in airfoil z-direction
rs.frame.edge_mode_freqs	Hz	Frequencies associated with mode shapes in the edge direction
rs.frame.edge_mode_shapes		6-degree polynomial coefficients of mode shapes in the edge direction (x^2..x^6, no linear or constant term)
rs.frame.flap_mode_freqs	Hz	Frequencies associated with mode shapes in the flap direction
rs.frame.flap_mode_shapes		6-degree polynomial coefficients of mode shapes in the flap direction (x^2..x^6, no linear or constant term)
rs.frame.freq_distance		ration of 2nd and 1st natural frequencies, should be ratio of edgewise to flapwise
rs.frame.freqs	Hz	ration of 2nd and 1st natural frequencies, should be ratio of edgewise to flapwiseNatural frequencies of the structure
rs.frame.root_F	N	Blade root forces in blade c.s.
rs.frame.root_M	N*m	Blade root moment in blade c.s.
rs.frame.strainL_spar		strain in spar cap on lower surface at location xl,yl_strain with loads P_strain
rs.frame.strainL_te		strain in trailing-edge panels on lower surface at location xl,yl_te with loads P_te
rs.frame.strainU_spar		strain in spar cap on upper surface at location xu,yu_strain with loads P_strain
rs.frame.strainU_te		strain in trailing-edge panels on upper surface at location xu,yu_te with loads P_te
rs.hub_height	m	hub height of wind turbine above ground / sea level
rs.mu	kg/(m*s)	Dynamic viscosity of air
rs.nBlades	Unavailable	Number of blades
rs.pitch_load	deg	Blade pitch setting.
rs.precone	deg	Rotor precone angle
rs.precurve	m	location in blade x-coordinatePrecurve at each section.
rs.presweep	m	location in blade y-coordinate
rs.r	m	Radial locations where blade is defined. Should be increasing and not go all the way to hub or tip.
rs.rho	kg/m**3	Density of the materials along the column sections.
rs.rhoA	kg/m	mass per unit length
rs.rhoJ	kg*m	polar mass moment of inertia per unit length
rs.theta	deg	Twist angle at each section (positive decreases angle of attack).
rs.tilt	deg	Nacelle uptilt angle
rs.tip_pos.3d_curv_tip	deg	total coning angle including precone and curvature
rs.tip_pos.dx_tip	m	deflection at tip in blade x-direction
rs.tip_pos.dy_tip	m	deflection at tip in blade y-direction
rs.tip_pos.dynamicFactor		a dynamic amplification factor to adjust the static deflection calculation
rs.tip_pos.dz_tip	m	deflection at tip in blade z-direction
rs.tip_pos.tip_deflection	m	deflection at tip in yaw x-directionBlade tip deflection in yaw x-direction
rs.tot_loads_gust.Px_af		total distributed loads in airfoil x-direction
rs.tot_loads_gust.Py_af		total distributed loads in airfoil y-direction
rs.tot_loads_gust.Pz_af		total distributed loads in airfoil z-direction
rs.tot_loads_gust.aeroloads_Omega	rpm	rotor rotation speed
rs.tot_loads_gust.aeroloads_Px	N/m	distributed loads in blade-aligned x-direction
rs.tot_loads_gust.aeroloads_Py	N/m	distributed loads in blade-aligned y-direction
rs.tot_loads_gust.aeroloads_Pz	N/m	distributed loads in blade-aligned z-direction
rs.tot_loads_gust.aeroloads_azimuth	deg	azimuthal angle
rs.tot_loads_gust.aeroloads_pitch	deg	pitch angle
rs.tot_loads_gust.dynamicFactor		a dynamic amplification factor to adjust the static deflection calculation
rs.x_az	m	location of blade in azimuth x-coordinate system (prebend)
rs.x_ec	m	x-distance to elastic center from point about which above structural properties are computed (airfoil aligned coordinate system)
rs.xl_strain_spar		x-position of midpoint of spar cap on lower surface for strain calculation
rs.xl_strain_te		x-position of midpoint of trailing-edge panel on lower surface for strain calculation
rs.xu_strain_spar		x-position of midpoint of spar cap on upper surface for strain calculation
rs.xu_strain_te		x-position of midpoint of trailing-edge panel on upper surface for strain calculation
rs.y_az	m	location of blade in azimuth y-coordinate system (sweep)
rs.y_ec	m	y-distance to elastic center from point about which above structural properties are computed
rs.yl_strain_spar		y-position of midpoint of spar cap on lower surface for strain calculation
rs.yl_strain_te		y-position of midpoint of trailing-edge panel on lower surface for strain calculation
rs.yu_strain_spar		y-position of midpoint of spar cap on upper surface for strain calculation
rs.yu_strain_te		y-position of midpoint of trailing-edge panel on upper surface for strain calculation
rs.z_az	m	location of blade in azimuth z-coordinate system
stall_check.airfoils_aoa	deg	angle of attack grid for polarsAngle of attack grid for polars.
stall_check.airfoils_cd		drag coefficients, spanwiseDrag coefficients, spanwise.
stall_check.airfoils_cl		lift coefficients, spanwiseLift coefficients, spanwise.
stall_check.airfoils_cm		moment coefficients, spanwiseMoment coefficients, spanwise.
stall_check.aoa_along_span	deg	Angle of attack along blade span
stall_check.min_s		Minimum nondimensional coordinate along blade span where to define the constraint (blade root typically stalls)
stall_check.no_stall_constraint		Constraint, ratio between angle of attack plus a margin and stall angle
stall_check.s		1D array of the non-dimensional spanwise grid defined along blade axis (0-blade root, 1-blade tip)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
stall_check.stall_angle_along_span	deg	Stall angle along blade span
stall_check.stall_margin	deg	Minimum margin from the stall angle
tcc.bearing_mass_cost_coeff	USD/kg	main bearing mass-cost coeff
tcc.bedplate_cost	USD	bedplate cost
tcc.bedplate_mass	kg	component mass
tcc.bedplate_mass_cost_coeff	USD/kg	bedplate mass-cost coeff
tcc.blade_cost	USD	Individual blade cost
tcc.blade_cost_external	USD	Blade cost computed by RotorSE
tcc.blade_mass	kg	Total mass of one blade
tcc.blade_mass_cost_coeff	USD/kg	blade mass-cost coeff
tcc.blade_number	Unavailable	number of rotor blades
tcc.brake_cost	USD	brake cost
tcc.brake_mass	kg	component mass
tcc.brake_mass_cost_coeff	USD/kg	brake mass-cost coeff
tcc.controls_cost	USD	controls cost
tcc.controls_machine_rating_cost_coeff	USD/kW	controls cost coefficient per kW
tcc.converter_cost	USD	converter cost
tcc.converter_mass	kg	overall component mass
tcc.converter_mass_cost_coeff	USD/kg	variable speed electronics mass cost coeff
tcc.cover_cost	USD	cover cost
tcc.cover_mass	kg	component mass
tcc.cover_mass_cost_coeff	USD/kg	nacelle cover mass cost coeff
tcc.crane	Unavailable	flag for presence of onboard crane
tcc.crane_cost	USD	crane cost if present
tcc.elec_connec_machine_rating_cost_coeff	USD/kW	electrical connections cost coefficient per kW
tcc.elec_cost	USD	elec cost
tcc.gearbox_cost	USD	gearbox cost
tcc.gearbox_mass	kg	Gearbox rotor mass
tcc.gearbox_mass_cost_coeff	USD/kg	gearbox mass-cost coeff
tcc.generator_cost	USD	generator cost
tcc.generator_cost_external	USD	Generator cost computed by GeneratorSE
tcc.generator_mass	kg	Actual mass
tcc.generator_mass_cost_coeff	USD/kg	generator mass cost coeff
tcc.hss_cost	USD	hss cost
tcc.hss_mass	kg	component mass
tcc.hss_mass_cost_coeff	USD/kg	high speed shaft mass-cost coeff
tcc.hub_assemblyCostMultiplier		Rotor assembly cost multiplier
tcc.hub_cost	USD	Cost of the hub shell, including flanges
tcc.hub_mass	kg	Total mass of the hub shell, including the flanges
tcc.hub_mass_cost_coeff	USD/kg	hub mass-cost coeff
tcc.hub_overheadCostMultiplier		Rotor overhead cost multiplier
tcc.hub_profitMultiplier		Rotor profit multiplier
tcc.hub_system_cost	USD	Cost for hub system
tcc.hub_system_mass_tcc	kg	Mass for hub system
tcc.hub_transportMultiplier		Rotor transport multiplier
tcc.hvac_cost	USD	hvac cost
tcc.hvac_mass	kg	component mass
tcc.hvac_mass_cost_coeff	USD/kg	hydraulic and cooling system mass cost coeff
tcc.lss_cost	USD	lss cost
tcc.lss_mass	kg	LSS mass
tcc.lss_mass_cost_coeff	USD/kg	low speed shaft mass-cost coeff
tcc.machine_rating	kW	Machine rating
tcc.main_bearing_cost	USD	main_bearing cost
tcc.main_bearing_mass	kg	Main bearing mass
tcc.main_bearing_number	Unavailable	number of bearings
tcc.nacelle_assemblyCostMultiplier		nacelle assembly cost multiplier
tcc.nacelle_cost	USD	Nacelle cost
tcc.nacelle_mass_tcc	kg	Nacelle mass
tcc.nacelle_overheadCostMultiplier		nacelle overhead cost multiplier
tcc.nacelle_profitMultiplier		nacelle profit multiplier
tcc.nacelle_transportMultiplier		nacelle transport multiplier
tcc.pitch_system_cost	USD	pitch_system cost
tcc.pitch_system_mass	kg	component mass
tcc.pitch_system_mass_cost_coeff	USD/kg	pitch system mass-cost coeff
tcc.platforms_cost	USD	platforms cost
tcc.platforms_mass	kg	component mass
tcc.platforms_mass_cost_coeff	USD/kg	nacelle platforms mass cost coeff
tcc.rotor_cost	USD	Rotor cost
tcc.rotor_mass_tcc	kg	Rotor mass
tcc.spinner_cost	USD	Cost of the spinner
tcc.spinner_mass	kg	Total mass of the spinner
tcc.spinner_mass_cost_coeff	USD/kg	spinner/nose cone mass-cost coeff
tcc.tower_assemblyCostMultiplier		tower assembly cost multiplier
tcc.tower_cost	USD	Tower cost
tcc.tower_cost_external	USD	Tower cost computed by TowerSE
tcc.tower_mass	kg	Mass of tower
tcc.tower_mass_cost_coeff	USD/kg	tower mass-cost coeff
tcc.tower_overheadCostMultiplier		tower overhead cost multiplier
tcc.tower_parts_cost	USD	component cost
tcc.tower_profitMultiplier		tower profit cost multiplier
tcc.tower_transportMultiplier		tower transport cost multiplier
tcc.transformer_cost	USD	transformer cost
tcc.transformer_mass	kg	overall component mass
tcc.transformer_mass_cost_coeff	USD/kg	transformer mass cost coeff
tcc.turbine_assemblyCostMultiplier		Turbine multiplier for assembly cost in manufacturing
tcc.turbine_cost	USD	Overall turbine costs
tcc.turbine_cost_kW	USD/kW	Overall wind turbine capital costs including transportation costs per kW
tcc.turbine_mass_tcc	kg	Turbine mass
tcc.turbine_overheadCostMultiplier		Turbine multiplier for overhead
tcc.turbine_profitMultiplier		Turbine multiplier for profit markup
tcc.turbine_transportMultiplier		Turbine multiplier for transport costs
tcc.yaw_mass	kg	overall component mass
tcc.yaw_mass_cost_coeff	USD/kg	yaw system mass cost coeff
tcc.yaw_system_cost	USD	yaw_system cost
tcons.Rtip	m	Blade tip location in z_b
tcons.blade_number	Unavailable	number of rotor blades
tcons.blade_tip_tower_clearance	m
tcons.constr_tower_f_1Pmargin		constraint on tower frequency such that ratio of 1P/f is above or below gamma with constraint <= 0
tcons.constr_tower_f_NPmargin		constraint on tower frequency such that ratio of 3P/f is above or below gamma with constraint <= 0
tcons.d_full	m	cylinder diameter at corresponding locations
tcons.max_allowable_td_ratio		Safety factor of the tip deflection to stay within the tower clearance
tcons.overhang	m	Horizontal distance between hub and tower-top axis
tcons.precone	deg	Rotor precone angle
tcons.rated_Omega	rpm	rotor rotation speed at rated
tcons.ref_axis_blade	m	2D array of the coordinates (x,y,z) of the blade reference axis, defined along blade span. The coordinate system is the one of BeamDyn: it is placed at blade root with x pointing the suction side of the blade, y pointing the trailing edge and z along the blade span. A standard configuration will have negative x values (prebend), if swept positive y values, and positive z values.
tcons.ref_axis_tower	m	2D array of the coordinates (x,y,z) of the tower reference axis. The coordinate system is the global coordinate system of OpenFAST: it is placed at tower base with x pointing downwind, y pointing on the side and z pointing vertically upwards. A standard tower configuration will have zero x and y values and positive z values.
tcons.rotor_orientation	Unavailable	Rotor orientation, either upwind or downwind.
tcons.tilt	deg	Nacelle uptilt angle
tcons.tip_deflection	m	Blade tip deflection in yaw x-direction
tcons.tip_deflection_ratio
tcons.tower_freq	Hz	First natural frequencies of tower (and substructure)
tower.cd		1D array of the drag coefficients defined along the tower height.
tower.diameter	m	1D array of the outer diameter values defined along the tower axis.cylinder diameter at corresponding locations
tower.layer_mat	Unavailable	1D array of the names of the materials of each layer modeled in the tower structure.
tower.layer_name	Unavailable	1D array of the names of the layers modeled in the tower structure.
tower.layer_thickness	m	2D array of the thickness of the layers of the tower structure. The first dimension represents each layer, the second dimension represents each piecewise-constant entry of the tower sections.2D array of the thickness of the layers of the column structure. The first dimension represents each layer, the second dimension represents each piecewise- constant entry of the column sections.
tower.outfitting_factor		Multiplier that accounts for secondary structure mass inside of towerMass fraction added for outfitting
tower.ref_axis	m	2D array of the coordinates (x,y,z) of the tower reference axis. The coordinate system is the global coordinate system of OpenFAST: it is placed at tower base with x pointing downwind, y pointing on the side and z pointing vertically upwards. A standard tower configuration will have zero x and y values and positive z values.
tower_grid.foundation_height	m	Foundation height in respect to the ground level.starting height of tower
tower_grid.height	m	Scalar of the tower height computed along the z axis.Scalar of the column height computed along the z axis.
tower_grid.length	m	Scalar of the tower length computed along its curved axis. A standard straight tower will be as high as long.Length of a single cable connecting the OSS to the interconnection in km.
tower_grid.ref_axis	m	2D array of the coordinates (x,y,z) of the tower reference axis. The coordinate system is the global coordinate system of OpenFAST: it is placed at tower base with x pointing downwind, y pointing on the side and z pointing vertically upwards. A standard tower configuration will have zero x and y values and positive z values.
tower_grid.s		1D array of the non-dimensional grid defined along the tower axis (0-tower base, 1-tower top)1D array of the non-dimensional grid defined along the column axis (0-column base, 1-column top)
towerse.Asx	m**2	x shear area
towerse.Asy	m**2	y shear area
towerse.Az	m**2	cross-sectional area
towerse.E	Pa	Isotropic Youngs modulus of the materials along the column sections.
towerse.E_full	N/m**2	modulus of elasticitymodulus of elasticity
towerse.E_mat	Pa	2D array of the Youngs moduli of the materials. Each row represents a material, the three columns represent E11, E22 and E33.
towerse.G	Pa	Isotropic shear modulus of the materials along the column sections.
towerse.G_full	Pa	Isotropic shear modulus of the materials along the tower sections.
towerse.G_mat	Pa	2D array of the shear moduli of the materials. Each row represents a material, the three columns represent G12, G13 and G23.
towerse.G_soil	Pa
towerse.Hsig_wave	m	significant wave height
towerse.Ixx	m**4	area moment of inertia about x-axis
towerse.Iyy	m**4	area moment of inertia about y-axis
towerse.Jz	m**4	polar moment of inertia
towerse.Tsig_wave	s	period of maximum wave height
towerse.axial_stff	N	sectional axial stiffness
towerse.beta_wave	deg	corresponding wave angles relative to inertial coordinate system
towerse.beta_wind	deg	corresponding wind angles relative to inertial coordinate system
towerse.cd_usr		User input drag coefficient to override Reynolds number based one
towerse.cg_offst	m	offset from the sectional center of mass
towerse.cm		mass coefficient
towerse.cm.I_base	kg*m**2
towerse.cm.center_of_mass	m
towerse.cm.cost	USD
towerse.cm.mass	kg	added mass
towerse.cm.material_cost_rate	USD/kg	Raw material cost rate: steel $1.1/kg, aluminum $3.5/kg
towerse.cm.outfitting_factor		Mass fraction added for outfitting
towerse.cm.rho	kg/m**3	Density of the materials along the column sections.
towerse.cm.section_center_of_mass	m
towerse.constr_d_to_t
towerse.constr_taper
towerse.d_full	m	cylinder diameter at corresponding locations
towerse.distLoads.Px	N/m	force per unit length in x-direction
towerse.distLoads.Py	N/m	force per unit length in y-direction
towerse.distLoads.Pz	N/m	force per unit length in z-direction
towerse.distLoads.qdyn	N/m**2	dynamic pressure
towerse.distLoads.waveLoads_Px	N/m	distributed loads, force per unit length in x-direction
towerse.distLoads.waveLoads_Py	N/m	distributed loads, force per unit length in y-direction
towerse.distLoads.waveLoads_Pz	N/m	distributed loads, force per unit length in z-direction
towerse.distLoads.waveLoads_beta	deg	wind/wave angle relative to inertia c.s.
towerse.distLoads.waveLoads_d	m	corresponding diameters
towerse.distLoads.waveLoads_qdyn	N/m**2	dynamic pressure
towerse.distLoads.waveLoads_z	m	corresponding heights
towerse.distLoads.windLoads_Px	N/m	distributed loads, force per unit length in x-direction
towerse.distLoads.windLoads_Py	N/m	distributed loads, force per unit length in y-direction
towerse.distLoads.windLoads_Pz	N/m	distributed loads, force per unit length in z-direction
towerse.distLoads.windLoads_beta	deg	wind/wave angle relative to inertia c.s.
towerse.distLoads.windLoads_d	m	corresponding diameters
towerse.distLoads.windLoads_qdyn	N/m**2	dynamic pressure
towerse.distLoads.windLoads_z	m	corresponding heights
towerse.distLoads.z	m	location along cylinder. start at bottom and go to top
towerse.foreaft_iner	kg*m	sectional fore-aft intertia per unit length about the Y_G inertia axis
towerse.foreaft_stff	N*m**2	sectional fore-aft bending stiffness per unit length about the Y_E elastic axis
towerse.geometry.foundation_height	m	starting height of tower
towerse.gravity_foundation_I	kg*m**2
towerse.gravity_foundation_mass	kg	point mass of transition piece
towerse.height_constraint	m
towerse.hub_height	m	hub height of wind turbine above ground / sea level
towerse.labor_cost_rate	USD/min	Labor cost
towerse.life		fatigue life of tower
towerse.mass_den	kg/m	sectional mass per unit length
towerse.material_names	Unavailable	1D array of names of materials.
towerse.monopile_cost	USD
towerse.monopile_foundation_height	m
towerse.monopile_height	m	Scalar of the tower height computed along the z axis.
towerse.monopile_layer_materials	Unavailable	1D array of the names of the materials of each layer modeled in the tower structure.
towerse.monopile_layer_thickness	m	2D array of the thickness of the layers of the tower structure. The first dimension represents each layer, the second dimension represents each piecewise- constant entry of the tower sections.
towerse.monopile_length	m
towerse.monopile_mass	kg	Monopile mass
towerse.monopile_outer_diameter_in	m	cylinder diameter at corresponding locations
towerse.monopile_outfitting_factor		Multiplier that accounts for secondary structure mass inside of cylinder
towerse.monopile_s		1D array of the non-dimensional grid defined along the tower axis (0-tower base, 1-tower top)
towerse.mu_air	kg/(m*s)	dynamic viscosity of air
towerse.mu_water	kg/(m*s)	dynamic viscosity of water
towerse.nu_soil
towerse.outfitting_factor		Mass fraction added for outfitting
towerse.outfitting_full
towerse.painting_cost_rate	USD/m/m	Painting / surface finishing cost rate
towerse.post.Fz	N	point force in z-direction
towerse.post.Mxx	N*m	point moment about x-axis
towerse.post.Myy	N*m	point moment about y-axis
towerse.post.axial_stress	N/m**2	axial stress in tower elements
towerse.post.fore_aft_freqs		Frequencies associated with mode shapes in the tower fore-aft direction
towerse.post.fore_aft_modes		6-degree polynomial coefficients of mode shapes in the tower fore-aft direction (x^2..x^6, no linear or constant term)
towerse.post.freqs	Hz	Natural frequencies of the structureNatural frequencies of the structure
towerse.post.global_buckling		Global buckling constraint. Should be < 1 for feasibility. Includes safety factors
towerse.post.hoop_stress	N/m**2	hoop stress in tower elements
towerse.post.shear_stress	N/m**2	shear stress in tower elements
towerse.post.shell_buckling		Shell buckling constraint. Should be < 1 for feasibility. Includes safety factors
towerse.post.side_side_freqs		Frequencies associated with mode shapes in the tower side-side direction
towerse.post.side_side_modes		6-degree polynomial coefficients of mode shapes in the tower side-side direction (x^2..x^6, no linear or constant term)
towerse.post.stress		Von Mises stress utilization along tower at specified locations. incudes safety factor.
towerse.post.structural_frequencies	Hz	First and second natural frequencyStructural frequencies outputted from FEM calculation
towerse.post.top_deflection	m	Deflection of tower top in yaw-aligned +x direction
towerse.post.top_deflection_in	m	Deflection of tower top in yaw-aligned +x direction
towerse.post.turbine_F	N	Total force on tower+rna
towerse.post.turbine_M	N*m	Total x-moment on tower+rna measured at base
towerse.post.x_mode_freqs		Frequencies associated with mode shapes in the x-directionFrequencies associated with mode shapes in the x-direction
towerse.post.x_mode_shapes		6-degree polynomial coefficients of mode shapes in the x-direction (x^2..x^6, no linear or constant term)6-degree polynomial coefficients of mode shapes in the x-direction
towerse.post.y_mode_freqs		Frequencies associated with mode shapes in the y-directionFrequencies associated with mode shapes in the y-direction
towerse.post.y_mode_shapes		6-degree polynomial coefficients of mode shapes in the x-direction (x^2..x^6, no linear or constant term)6-degree polynomial coefficients of mode shapes in the x-direction
towerse.pre.Fx	N	point force in x-direction
towerse.pre.Fy	N	point force in y-direction
towerse.pre.Fz	N	point force in z-direction
towerse.pre.Mxx	N*m	point moment about x-axis
towerse.pre.Myy	N*m	point moment about y-axis
towerse.pre.Mzz	N*m	point moment about z-axis
towerse.pre.k_monopile	N/m	Stiffness BCs for ocean soil. Only used if monoflag inputis True
towerse.pre.kidx		indices of z where external stiffness reactions should be applied.
towerse.pre.ktx	N/m	spring stiffness in theta_x-rotation
towerse.pre.kty	N/m	spring stiffness in theta_y-rotation
towerse.pre.ktz	N/m	spring stiffness in theta_z-rotation
towerse.pre.kx	N/m	spring stiffness in x-direction
towerse.pre.ky	N/m	spring stiffness in y-direction
towerse.pre.kz	N/m	spring stiffness in z-direction
towerse.pre.m	kg	added mass
towerse.pre.mIxx	kg*m**2	x mass moment of inertia about some point p
towerse.pre.mIxy	kg*m**2	xy mass moment of inertia about some point p
towerse.pre.mIxz	kg*m**2	xz mass moment of inertia about some point p
towerse.pre.mIyy	kg*m**2	y mass moment of inertia about some point p
towerse.pre.mIyz	kg*m**2	yz mass moment of inertia about some point p
towerse.pre.mIzz	kg*m**2	z mass moment of inertia about some point p
towerse.pre.midx		indices where added mass should be applied.
towerse.pre.mrhox	m	x-location of p relative to node
towerse.pre.mrhoy	m	y-location of p relative to node
towerse.pre.mrhoz	m	z-location of p relative to node
towerse.pre.plidx		indices where point loads should be applied.
towerse.pre.rna_F	N	rna force
towerse.pre.rna_M	N*m	rna moment
towerse.props.d	m	Sectional tower diameters
towerse.props.t	m	Sectional tower wall thicknesses
towerse.rho	kg/m**3	Density of the materials along the column sections.
towerse.rho_air	kg/m**3	air density
towerse.rho_full	kg/m**3	Density of the materials along the tower sections.material density
towerse.rho_mat	kg/m**3	1D array of the density of the materials. For composites, this is the density of the laminate.
towerse.rho_water	kg/m**3	density of water
towerse.rna_I	kg*m**2	Moments about turbine main
towerse.rna_cg	m	Location of RNA center of mass relative to tower top
towerse.rna_mass	kg	Mass of RNA
towerse.sc_offst	m	offset from the sectional shear center
towerse.sec_loc		normalized sectional location
towerse.shearExp		shear exponent
towerse.sideside_iner	kg*m	sectional side-side intertia per unit length about the Y_G inertia axis
towerse.sideside_stff	N*m**2	sectional side-side bending stiffness per unit length about the Y_E elastic axis
towerse.sigma_y	Pa	Isotropic yield strength of the materials along the column sections.
towerse.sigma_y_full	N/m**2	yield stressyield stress
towerse.sigma_y_mat	Pa	2D array of the yield strength of the materials. Each row represents a material, the three columns represent Xt12, Xt13 and Xt23.
towerse.slope
towerse.soil.d0	m	diameter of base of tower
towerse.soil.k	N/m
towerse.soil.k_usr	N/m	User overrides of stiffness values. Use positive values and for rigid use np.inf. Order is x, theta_x, y, theta_y, z, theta_z
towerse.str_tw	deg	structural twist of section
towerse.structural_cost	USD
towerse.structural_mass	kg	Mass of whole turbine except for mooring lines
towerse.suctionpile_depth	m
towerse.t_full	m	shell thickness at corresponding locations
towerse.tc_offst	m	offset from the sectional tension center
towerse.tm.cylinder_I_base	kg*m**2	Mass moment of inertia of cylinder about base [xx yy zz xy xz yz]
towerse.tm.cylinder_center_of_mass	m	z position of center of mass of cylinder
towerse.tm.cylinder_cost	USD	Total cylinder cost
towerse.tm.cylinder_mass	kg	Total cylinder mass
towerse.tm.cylinder_section_center_of_mass	m	z position of center of mass of each can in the cylinder
towerse.tor_stff	N*m**2	sectional torsional stiffness
towerse.tower.E	N/m**2	Isotropic Youngs modulus of the materials along the column sections.
towerse.tower.Fx	N	point force in x-direction
towerse.tower.Fy	N	point force in y-direction
towerse.tower.Fz	N	point force in z-direction
towerse.tower.Fz_out	N
towerse.tower.G	N/m**2	Isotropic shear modulus of the materials along the column sections.
towerse.tower.Mxx	N*m	point moment about x-axis
towerse.tower.Mxx_out	N*m
towerse.tower.Myy	N*m	point moment about y-axis
towerse.tower.Myy_out	N*m
towerse.tower.Mzz	N*m	point moment about z-axis
towerse.tower.Mzz_out	N*m
towerse.tower.Px	N/m	force per unit length in x-direction
towerse.tower.Py	N/m	force per unit length in y-direction
towerse.tower.Pz	N/m	force per unit length in z-direction
towerse.tower.Vx_out	N
towerse.tower.Vy_out	N
towerse.tower.axial_stress	N/m**2	axial stress in tower elements
towerse.tower.base_F	N
towerse.tower.base_M	N*m
towerse.tower.d	m	Sectional tower diameters
towerse.tower.f1	Hz
towerse.tower.f2	Hz
towerse.tower.freqs	Hz	Natural frequencies of the structure
towerse.tower.hoop_stress	N/m**2	hoop stress in tower elements
towerse.tower.hoop_stress_euro	N/m**2
towerse.tower.kidx		indices of z where external stiffness reactions should be applied.
towerse.tower.ktx	N/m	spring stiffness in theta_x-rotation
towerse.tower.kty	N/m	spring stiffness in theta_y-rotation
towerse.tower.ktz	N/m	spring stiffness in theta_z-rotation
towerse.tower.kx	N/m	spring stiffness in x-direction
towerse.tower.ky	N/m	spring stiffness in y-direction
towerse.tower.kz	N/m	spring stiffness in z-direction
towerse.tower.m	kg	added mass
towerse.tower.mIxx	kg*m**2	x mass moment of inertia about some point p
towerse.tower.mIxy	kg*m**2	xy mass moment of inertia about some point p
towerse.tower.mIxz	kg*m**2	xz mass moment of inertia about some point p
towerse.tower.mIyy	kg*m**2	y mass moment of inertia about some point p
towerse.tower.mIyz	kg*m**2	yz mass moment of inertia about some point p
towerse.tower.mIzz	kg*m**2	z mass moment of inertia about some point p
towerse.tower.mass	kg	added mass
towerse.tower.midx		indices where added mass should be applied.
towerse.tower.mrhox	m	x-location of p relative to node
towerse.tower.mrhoy	m	y-location of p relative to node
towerse.tower.mrhoz	m	z-location of p relative to node
towerse.tower.plidx		indices where point loads should be applied.
towerse.tower.qdyn	N/m**2	dynamic pressure
towerse.tower.rho	kg/m**3	Density of the materials along the column sections.
towerse.tower.shear_stress	N/m**2	shear stress in tower elements
towerse.tower.t	m	Sectional tower wall thicknesses
towerse.tower.top_deflection	m
towerse.tower.x_mode_freqs		Frequencies associated with mode shapes in the x-direction
towerse.tower.x_mode_shapes		6-degree polynomial coefficients of mode shapes in the x-direction
towerse.tower.y_mode_freqs		Frequencies associated with mode shapes in the y-direction
towerse.tower.y_mode_shapes		6-degree polynomial coefficients of mode shapes in the x-direction
towerse.tower.z	m	location along cylinder. start at bottom and go to top
towerse.tower_I_base	kg*m**2	Moments about tower main
towerse.tower_center_of_mass	m	z-position of center of tower mass
towerse.tower_cost	USD	Tower cost
towerse.tower_foundation_height	m
towerse.tower_height	m	Scalar of the tower height computed along the z axis.
towerse.tower_layer_materials	Unavailable	1D array of the names of the materials of each layer modeled in the tower structure.
towerse.tower_layer_thickness	m	2D array of the thickness of the layers of the tower structure. The first dimension represents each layer, the second dimension represents each piecewise- constant entry of the tower sections.
towerse.tower_mass	kg	Mass of tower
towerse.tower_outer_diameter	m
towerse.tower_outer_diameter_in	m	cylinder diameter at corresponding locations
towerse.tower_outfitting_factor		Multiplier that accounts for secondary structure mass inside of cylinder
towerse.tower_s		1D array of the non-dimensional grid defined along the tower axis (0-tower base, 1-tower top)
towerse.tower_section_center_of_mass	m
towerse.tower_section_height	m
towerse.tower_wall_thickness	m
towerse.transition_piece_I	kg*m**2
towerse.transition_piece_cost	USD	Cost of transition piece
towerse.transition_piece_height	m	height of transition piece above water line
towerse.transition_piece_mass	kg	point mass of transition piece
towerse.turb.turbine_I_base	kg*m**2
towerse.turb.turbine_center_of_mass	m
towerse.turbine_mass	kg
towerse.tw_iner	deg	inertial twist of section
towerse.unit_cost	USD/kg	Unit costs of the materials along the column sections.
towerse.unit_cost_full	USD/kg	Raw material cost: steel $1.1/kg, aluminum $3.5/kg
towerse.unit_cost_mat	USD/kg	1D array of the unit costs of the materials.
towerse.water_depth	m	water depth
towerse.wave.A	m/s**2	magnitude of wave acceleration
towerse.wave.U	m/s	magnitude of wind speed
towerse.wave.Uc	m/s	mean current speed
towerse.wave.V	m/s
towerse.wave.W	m/s
towerse.wave.p	N/m**2	pressure oscillation
towerse.wave.phase_speed	m/s
towerse.wave.z	m	location along cylinder. start at bottom and go to top
towerse.waveLoads.A	m/s**2	magnitude of wave acceleration
towerse.waveLoads.U	m/s	magnitude of wind speed
towerse.waveLoads.d	m	Sectional tower diameters
towerse.waveLoads.p	N/m**2	pressure oscillation
towerse.waveLoads.waveLoads_Px	N/m	distributed loads, force per unit length in x-direction
towerse.waveLoads.waveLoads_Py	N/m	distributed loads, force per unit length in y-direction
towerse.waveLoads.waveLoads_Pz	N/m	distributed loads, force per unit length in z-direction
towerse.waveLoads.waveLoads_beta	deg	wind/wave angle relative to inertia c.s.
towerse.waveLoads.waveLoads_d	m	corresponding diameters
towerse.waveLoads.waveLoads_pt	N/m**2
towerse.waveLoads.waveLoads_qdyn	N/m**2	dynamic pressure
towerse.waveLoads.waveLoads_z	m	corresponding heights
towerse.waveLoads.z	m	location along cylinder. start at bottom and go to top
towerse.wind.U	m/s	magnitude of wind speed
towerse.wind.Uref	m/s	reference wind speed (usually at hub height)
towerse.wind.z	m	location along cylinder. start at bottom and go to top
towerse.windLoads.U	m/s	magnitude of wind speed
towerse.windLoads.d	m	Sectional tower diameters
towerse.windLoads.windLoads_Px	N/m	distributed loads, force per unit length in x-direction
towerse.windLoads.windLoads_Py	N/m	distributed loads, force per unit length in y-direction
towerse.windLoads.windLoads_Pz	N/m	distributed loads, force per unit length in z-direction
towerse.windLoads.windLoads_beta	deg	wind/wave angle relative to inertia c.s.
towerse.windLoads.windLoads_d	m	corresponding diameters
towerse.windLoads.windLoads_qdyn	N/m**2	dynamic pressure
towerse.windLoads.windLoads_z	m	corresponding heights
towerse.windLoads.z	m	location along cylinder. start at bottom and go to top
towerse.wind_reference_height	m
towerse.wind_z0	m
towerse.yaw	deg	yaw angle
towerse.z_full	m	z-coordinates of section nodes
towerse.z_param	m	parameterized locations along tower, linear lofting between
towerse.z_start	m
wt_class.V_extreme1	m/s
wt_class.V_extreme50	m/s
wt_class.V_mean	m/s
wt_class.V_mean_overwrite		overwrite value for mean velocity for using user defined CDFs
wt_class.turbine_class	Unavailable	IEC turbine class
variables	units	description