import openmdao.api as om
from wisdem.floatingse.mooring import Mooring
from wisdem.floatingse.constraints import RigidModes, FloatingConstraints
from wisdem.commonse.cylinder_member import MemberDetailed
from wisdem.floatingse.floating_frame import FloatingFrame
from wisdem.floatingse.floating_system import FloatingSystem
[docs]
class FloatingSE(om.Group):
def initialize(self):
self.options.declare("modeling_options")
def setup(self):
opt = self.options["modeling_options"]
n_member = opt["floating"]["members"]["n_members"]
mem_prom = [
"E_mat",
"G_mat",
"sigma_y_mat",
"sigma_ult_mat",
"wohler_exp_mat",
"wohler_A_mat",
"rho_mat",
"rho_water",
"unit_cost_mat",
"material_names",
"painting_cost_rate",
"labor_cost_rate",
]
for k in range(n_member):
self.add_subsystem(
f"member{k}",
MemberDetailed(
column_options=opt["floating"]["members"],
idx=k,
n_mat=opt["materials"]["n_mat"],
memmax=True,
n_refine=2,
),
promotes=mem_prom + [("joint1", f"member{k}:joint1"), ("joint2", f"member{k}:joint2")],
)
# Combine all members and tower into single system
self.add_subsystem("sys", FloatingSystem(modeling_options=opt), promotes=["*"])
self.add_subsystem(
"mm", Mooring(options=opt["mooring"], gamma=opt["WISDEM"]["FloatingSE"]["gamma_f"]), promotes=["*"]
)
# Do the load analysis over one or more load cases
self.add_subsystem("load", FloatingFrame(modeling_options=opt), promotes=["*"])
# Evaluate system constraints
self.add_subsystem("cons", FloatingConstraints(modeling_options=opt), promotes=["*"])
# Evaluate system constraints
self.add_subsystem("modal", RigidModes(), promotes=["*"])
# Connect all input variables from all models
mem_vars = [
"section_D",
"section_t",
"section_A",
"section_Asx",
"section_Asy",
"section_Ixx",
"section_Iyy",
"section_J0",
"section_rho",
"section_E",
"section_G",
"section_sigma_y",
"idx_cb",
"variable_ballast_capacity",
"variable_ballast_Vpts",
"variable_ballast_spts",
"constr_ballast_capacity",
"buoyancy_force",
"displacement",
"center_of_buoyancy",
"center_of_mass",
"ballast_mass",
"total_mass",
"total_cost",
"I_total",
"Awater",
"Iwater",
"added_mass",
"waterline_centroid",
]
mem_load_vars = ["z_global", "d_full", "s_full", "s_all"]
for k in range(n_member):
for var in mem_vars:
self.connect(f"member{k}.{var}", f"member{k}:{var}")
self.connect(f"member{k}.nodes_xyz_all", f"member{k}:nodes_xyz")
self.connect(f"member{k}.nodes_r_all", f"member{k}:nodes_r")
for var in mem_load_vars:
self.connect(f"member{k}.{var}", f"memload{k}.{var}")