def __init__(self, config, frequency_values):
self.config = config
self.w = frequency_values
# Build structural model
self.structure = FloatingTurbineStructure(config['structure'])
# Get hydrodynamic/static information
h = config['hydrodynamics']
rho = config['constants']['water density']
first_order = WAMITData(h['WAMIT path'], water_density=rho)
if 'QTF path' in h:
second_order = SecondOrderData(h['QTF path'], water_density=rho)
else:
second_order = None
self.hydro_info = HydrodynamicsInfo(first_order, second_order)
# Get mooring line behaviour
l = config['mooring']['linear']
self.mooring_static = np.asarray(l['static force'])
self.mooring_stiffness = np.asarray(l['stiffness'])
# Extra damping
self.B_extra = np.asarray(h.get('extra damping', np.zeros(6)))
if self.B_extra.ndim == 1:
self.B_extra = np.diag(self.B_extra)
# Viscous drag model
if 'Morison elements' in h:
self.morison = ViscousDragModel(h['Morison elements'])
else:
self.morison = None
self.Bv = np.zeros((6, 6))
self.Fvc = np.zeros(6)
self.Fvv = np.zeros((len(self.w), 6))
# Wave-drift damping
self.Bwd = np.zeros((6, 6))
