def setup(self):
lsm_solver = self.options['lsm_solver']
bpts_xy = self.options['bpts_xy']
upperbound = self.options['ub']
lowerbound = self.options['lb']
num_dvs = 2 # number of lambdas
num_bpts = bpts_xy.shape[0]
# inputs (IndepVarComp: component)
comp = IndepVarComp()
comp.add_output('lambdas', val = 0.0, shape = num_dvs)
self.add_subsystem('inputs_comp', comp)
self.connect('inputs_comp.lambdas', 'objective_comp.lambdas')
self.connect('inputs_comp.lambdas', 'constraint_comp.lambdas')
self.add_design_var('inputs_comp.lambdas',
lower = np.array([lowerbound[0], lowerbound[1]]),
upper = np.array([upperbound[0], upperbound[1]]))
# constraint setup
comp = Callback_conF(lsm_solver = lsm_solver)
comp.add_constraint('constraint')
self.add_subsystem('constraint_comp', comp)
# objective setup
comp = Callback_objF(lsm_solver = lsm_solver)
comp.add_objective('objective')
self.add_subsystem('objective_comp', comp)
def setup(self):
fem_solver = self.options['fem_solver']
length_x = self.options['length_x']
length_y = self.options['length_y']
num_nodes_x = self.options['num_nodes_x']
num_nodes_y = self.options['num_nodes_y']
forces = self.options['forces']
p = self.options['p']
w = self.options['w']
nodes = self.options['nodes']
volume_fraction = self.options['volume_fraction']
num = num_nodes_x * num_nodes_y
num_el = (num_nodes_x - 1) * (num_nodes_y - 1)
state_size = 2 * num_nodes_x * num_nodes_y + 2 * num_nodes_y
disp_size = 2 * num_nodes_x * num_nodes_y
rhs = np.zeros(state_size)
rhs[:disp_size] = forces
# inputs
comp = IndepVarComp()
comp.add_output('rhs', val=rhs)
comp.add_output('forces', val=forces)
comp.add_output('dvs', val=0.5, shape=num_el)
comp.add_design_var('dvs', lower=0.01, upper=1.0)
# comp.add_design_var('x', lower=-4, upper=4)
self.add_subsystem('inputs_comp', comp)
self.connect('inputs_comp.dvs', 'penalization_comp.x')
self.connect('inputs_comp.dvs', 'weight_comp.x')
# penalization
comp = PenalizationComp(num=num_el, p=p)
self.add_subsystem('penalization_comp', comp)
self.connect('penalization_comp.y', 'states_comp.multipliers')
# states
comp = StatesComp(fem_solver=fem_solver,
num_nodes_x=num_nodes_x,
num_nodes_y=num_nodes_y,
nodes=nodes,
isNodal=False)
self.add_subsystem('states_comp', comp)
self.connect('inputs_comp.rhs', 'states_comp.rhs')
# disp
comp = DispComp(num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y)
self.add_subsystem('disp_comp', comp)
self.connect('states_comp.states', 'disp_comp.states')
# compliance
comp = ComplianceComp(num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y)
self.add_subsystem('compliance_comp', comp)
self.connect('disp_comp.disp', 'compliance_comp.disp')
self.connect('inputs_comp.forces', 'compliance_comp.forces')
# weight
comp = WeightComp(num=num_el)
comp.add_constraint('weight', upper=volume_fraction)
self.add_subsystem('weight_comp', comp)
# objective
comp = ObjectiveComp(w=w)
comp.add_objective('objective')
self.add_subsystem('objective_comp', comp)
self.connect('compliance_comp.compliance', 'objective_comp.compliance')
self.connect('weight_comp.weight', 'objective_comp.weight')
def setup(self):
fem_solver = self.options['fem_solver']
force = self.options['force']
num_elem_x = self.options['num_elem_x']
num_elem_y = self.options['num_elem_y']
p = self.options['penal']
volume_fraction = self.options['volume_fraction']
(nodes, elem, elem_dof) = fem_solver.get_mesh()
(length_x, length_y) = (np.max(nodes[:, 0], 0), np.max(nodes[:, 1], 0))
(num_nodes_x, num_nodes_y) = (num_elem_x + 1, num_elem_y + 1)
nNODE = num_nodes_x * num_nodes_y
nELEM = (num_nodes_x - 1) * (num_nodes_y - 1)
nDOF = nNODE * 2
rhs = force
# inputs
comp = IndepVarComp()
comp.add_output('rhs', val=rhs)
comp.add_output('dvs', val=0.8, shape=nELEM)
comp.add_design_var('dvs', lower=0.01, upper=1.0)
# comp.add_design_var('x', lower=-4, upper=4) // param
self.add_subsystem('inputs_comp', comp)
self.connect('inputs_comp.dvs', 'filter_comp.dvs')
self.connect('inputs_comp.rhs', 'states_comp.rhs')
# density filter
comp = DensityFilterComp(length_x=length_x,
length_y=length_y,
num_nodes_x=num_nodes_x,
num_nodes_y=num_nodes_y,
num_dvs=nELEM,
radius=length_x / (float(num_nodes_x) - 1) *
2)
self.add_subsystem('filter_comp', comp)
self.connect('filter_comp.dvs_bar', 'penalization_comp.x')
self.connect('filter_comp.dvs_bar', 'weight_comp.x')
# penalization
comp = PenalizationComp(num=nELEM, p=p)
self.add_subsystem('penalization_comp', comp)
self.connect('penalization_comp.y', 'states_comp.multipliers')
# states
comp = StatesComp(fem_solver=fem_solver,
num_nodes_x=num_nodes_x,
num_nodes_y=num_nodes_y,
isSIMP=True)
self.add_subsystem('states_comp', comp)
self.connect('states_comp.states', 'disp_comp.states')
# num_states to num_dofs
comp = DispComp(num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y)
self.add_subsystem('disp_comp', comp)
self.connect('disp_comp.disp', 'compliance_comp.disp')
comp = DispComp(num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y)
self.add_subsystem('GF_comp', comp)
self.connect('inputs_comp.rhs', 'GF_comp.states')
self.connect('GF_comp.disp', 'compliance_comp.forces')
# compliance
comp = ComplianceComp(num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y)
self.add_subsystem('compliance_comp', comp)
# self.connect('inputs_comp.rhs', 'compliance_comp.forces')
# weight
comp = WeightComp(num=nELEM)
comp.add_constraint('weight', upper=volume_fraction)
self.add_subsystem('weight_comp', comp)
# objective
comp = ObjectiveComp(w=0.0)
comp.add_objective('objective')
self.add_subsystem('objective_comp', comp)
self.connect('compliance_comp.compliance', 'objective_comp.compliance')
self.connect('weight_comp.weight', 'objective_comp.weight')
def setup(self):
num_times = self.options['num_times']
num_cp = self.options['num_cp']
cubesat = self.options['cubesat']
mtx = self.options['mtx']
comp = IndepVarComp()
# comp.add_output('roll_cp', val=2. * np.pi * np.random.rand(num_cp))
# comp.add_output('pitch_cp', val=2. * np.pi * np.random.rand(num_cp))
comp.add_output('roll_cp', val=np.ones(num_cp))
comp.add_output('pitch_cp', val=np.ones(num_cp))
comp.add_design_var('roll_cp')
comp.add_design_var('pitch_cp')
self.add_subsystem('inputs_comp', comp, promotes=['*'])
for var_name in ['roll', 'pitch']:
comp = BsplineComp(
num_pt=num_times,
num_cp=num_cp,
jac=mtx,
in_name='{}_cp'.format(var_name),
out_name=var_name,
)
self.add_subsystem('{}_comp'.format(var_name),
comp,
promotes=['*'])
comp = RotMtxBIComp(num_times=num_times)
self.add_subsystem('rot_mtx_b_i_3x3xn_comp', comp, promotes=['*'])
comp = ArrayReorderComp(
in_shape=(3, 3, num_times),
out_shape=(3, 3, num_times),
in_subscripts='ijn',
out_subscripts='jin',
in_name='rot_mtx_b_i_3x3xn',
out_name='rot_mtx_i_b_3x3xn',
)
self.add_subsystem('rot_mtx_i_b_3x3xn_comp', comp, promotes=['*'])
#
for var_name in [
'times',
'roll',
'pitch',
]:
comp = FiniteDifferenceComp(
num_times=num_times,
in_name=var_name,
out_name='d{}'.format(var_name),
)
self.add_subsystem('d{}_comp'.format(var_name),
comp,
promotes=['*'])
rad_deg = np.pi / 180.
for var_name in [
'roll',
'pitch',
]:
comp = PowerCombinationComp(shape=(num_times, ),
out_name='{}_rate'.format(var_name),
powers_dict={
'd{}'.format(var_name): 1.,
'dtimes': -1.,
})
comp.add_constraint('{}_rate'.format(var_name),
lower=-10. * rad_deg,
upper=10. * rad_deg,
linear=True)
self.add_subsystem('{}_rate_comp'.format(var_name),
comp,
promotes=['*'])
def setup(self):
fem_solver = self.metadata['fem_solver']
length_x = self.metadata['length_x']
length_y = self.metadata['length_y']
num_nodes_x = self.metadata['num_nodes_x']
num_nodes_y = self.metadata['num_nodes_y']
num_param_x = self.metadata['num_param_x']
num_param_y = self.metadata['num_param_y']
forces = self.metadata['forces']
p = self.metadata['p']
w = self.metadata['w']
nodes = self.metadata['nodes']
quad_order = self.metadata['quad_order']
volume_fraction = self.metadata['volume_fraction']
num = num_nodes_x * num_nodes_y
coord_eval_x, coord_eval_y = get_coord_eval(num_nodes_x, num_nodes_y,
quad_order)
coord_eval_x *= length_x
coord_eval_y *= length_y
gpt_mesh = np.zeros((coord_eval_x.shape[0], coord_eval_y.shape[0], 2))
gpt_mesh[:, :, 0] = np.outer(coord_eval_x,
np.ones(coord_eval_y.shape[0]))
gpt_mesh[:, :, 1] = np.outer(np.ones(coord_eval_x.shape[0]),
coord_eval_y)
state_size = 2 * num_nodes_x * num_nodes_y + 2 * num_nodes_y
disp_size = 2 * num_nodes_x * num_nodes_y
coord_eval_x, coord_eval_y = get_coord_eval(num_nodes_x, num_nodes_y,
quad_order)
if 1:
param_mtx = get_bspline_mtx(coord_eval_x,
coord_eval_y,
num_param_x,
num_param_y,
kx=4,
ky=4)
else:
param_mtx = get_rbf_mtx(coord_eval_x,
coord_eval_y,
num_param_x,
num_param_y,
kx=4,
ky=4)
rhs = np.zeros(state_size)
rhs[:disp_size] = forces
# inputs
comp = IndepVarComp()
comp.add_output('rhs', val=rhs)
comp.add_output('forces', val=forces)
# x = np.linalg.solve(
# param_mtx.T.dot(param_mtx),
# param_mtx.T.dot(0.5 * np.ones((num_nodes_x - 1) * (num_nodes_y - 1))))
comp.add_output('dvs', val=0., shape=num_param_x * num_param_y)
comp.add_design_var('dvs')
self.add_subsystem('inputs_comp', comp)
self.connect('inputs_comp.dvs', 'parametrization_comp.x')
comp = ParametrizationComp(
mtx=param_mtx,
num_rows=(num_nodes_x - 1) * (num_nodes_y - 1) * quad_order**2,
num_cols=num_param_x * num_param_y,
)
self.add_subsystem('parametrization_comp', comp)
self.connect('parametrization_comp.y', 'states_comp.plot_var')
# if 0:
# self.connect('parametrization_comp.y', 'averaging_comp.x')
# comp = AveragingComp(
# num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y, quad_order=quad_order)
# self.add_subsystem('averaging_comp', comp)
# self.connect('averaging_comp.y', 'heaviside_comp.x')
#
# comp = HeavisideComp(num=num)
# self.add_subsystem('heaviside_comp', comp)
# self.connect('heaviside_comp.y', 'penalization_comp.x')
# self.connect('heaviside_comp.y', 'weight_comp.x')
#
# comp = PenalizationComp(num=num, p=p)
# self.add_subsystem('penalization_comp', comp)
# self.connect('penalization_comp.y', 'states_comp.multipliers')
if 1:
self.connect('parametrization_comp.y', 'heaviside_comp.x')
comp = HeavisideComp(num=(num_nodes_x - 1) * (num_nodes_y - 1) *
quad_order**2)
self.add_subsystem('heaviside_comp', comp)
self.connect('heaviside_comp.y', 'averaging_comp.x')
self.connect('heaviside_comp.y', 'states_comp.plot_var2')
comp = AveragingComp(num_nodes_x=num_nodes_x,
num_nodes_y=num_nodes_y,
quad_order=quad_order)
self.add_subsystem('averaging_comp', comp)
self.connect('averaging_comp.y', 'penalization_comp.x')
self.connect('averaging_comp.y', 'weight_comp.x')
comp = PenalizationComp(num=num, p=p)
self.add_subsystem('penalization_comp', comp)
self.connect('penalization_comp.y', 'states_comp.multipliers')
else:
self.connect('parametrization_comp.y', 'heaviside_comp.x')
comp = HeavisideComp(num=(num_nodes_x - 1) * (num_nodes_y - 1) *
quad_order**2)
self.add_subsystem('heaviside_comp', comp)
self.connect('heaviside_comp.y', 'penalization_comp.x')
self.connect('heaviside_comp.y', 'averaging_comp2.x')
self.connect('heaviside_comp.y', 'states_comp.plot_var2')
comp = AveragingComp(num_nodes_x=num_nodes_x,
num_nodes_y=num_nodes_y,
quad_order=quad_order)
self.add_subsystem('averaging_comp2', comp)
self.connect('averaging_comp2.y', 'weight_comp.x')
comp = PenalizationComp(num=(num_nodes_x - 1) * (num_nodes_y - 1) *
quad_order**2,
p=p)
self.add_subsystem('penalization_comp', comp)
self.connect('penalization_comp.y', 'averaging_comp.x')
comp = AveragingComp(num_nodes_x=num_nodes_x,
num_nodes_y=num_nodes_y,
quad_order=quad_order)
self.add_subsystem('averaging_comp', comp)
self.connect('averaging_comp.y', 'states_comp.multipliers')
# states
comp = StatesComp(fem_solver=fem_solver,
num_nodes_x=num_nodes_x,
num_nodes_y=num_nodes_y,
nodes=nodes,
gpt_mesh=gpt_mesh,
quad_order=quad_order)
self.add_subsystem('states_comp', comp)
self.connect('inputs_comp.rhs', 'states_comp.rhs')
# disp
comp = DispComp(num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y)
self.add_subsystem('disp_comp', comp)
self.connect('states_comp.states', 'disp_comp.states')
# compliance
comp = ComplianceComp(num_nodes_x=num_nodes_x, num_nodes_y=num_nodes_y)
self.add_subsystem('compliance_comp', comp)
self.connect('disp_comp.disp', 'compliance_comp.disp')
self.connect('inputs_comp.forces', 'compliance_comp.forces')
# weight
comp = WeightComp(num=num)
comp.add_constraint('weight', upper=volume_fraction)
self.add_subsystem('weight_comp', comp)
# objective
comp = ObjectiveComp(w=w)
comp.add_objective('objective')
self.add_subsystem('objective_comp', comp)
self.connect('compliance_comp.compliance', 'objective_comp.compliance')
self.connect('weight_comp.weight', 'objective_comp.weight')
def setup(self):
lsm_solver = self.options['lsm_solver']
num_bpts = self.options['num_bpts']
upperbound = self.options['ub']
lowerbound = self.options['lb']
Sf = self.options['Sf']
Sg = self.options['Sg']
constraintDistance = self.options['constraintDistance']
num_dvs = 2 # number of lambdas
# inputs (IndepVarComp: component)
comp = IndepVarComp()
comp.add_output('lambdas', val = 0.0, shape = num_dvs)
comp.add_output('Sf', val=Sf)
comp.add_output('Sg', val=Sg)
comp.add_output('constraintDistance', val=constraintDistance)
self.add_subsystem('inputs_comp', comp)
self.add_design_var('inputs_comp.lambdas',
lower = np.array([lowerbound[0], lowerbound[1]]),
upper = np.array([upperbound[0], upperbound[1]]))
# scalings setup # verified (10/24)
comp = ScalingComp(nBpts= num_bpts, lsm_solver=lsm_solver)
self.add_subsystem('scaling_f_comp',comp)
self.connect('inputs_comp.Sf', 'scaling_f_comp.x')
comp = ScalingComp(nBpts= num_bpts, lsm_solver=lsm_solver)
self.add_subsystem('scaling_g_comp',comp)
self.connect('inputs_comp.Sg', 'scaling_g_comp.x')
# displacements setup
comp = DisplacementComp(lsm_solver = lsm_solver, nBpts = num_bpts, ndvs = num_dvs)
self.add_subsystem('displacement_comp', comp)
self.connect('inputs_comp.lambdas', 'displacement_comp.lambdas')
self.connect('inputs_comp.Sf', 'displacement_comp.Sf')
self.connect('inputs_comp.Sg', 'displacement_comp.Sg')
self.connect('scaling_f_comp.y', 'displacement_comp.Scale_f')
self.connect('scaling_g_comp.y', 'displacement_comp.Scale_g')
# integration setup
comp = IntegralComp(lsm_solver=lsm_solver, nBpts=num_bpts)
self.add_subsystem('integral_f_comp', comp)
self.connect('inputs_comp.Sf', 'integral_f_comp.x')
comp = IntegralComp(lsm_solver=lsm_solver, nBpts=num_bpts)
self.add_subsystem('integral_g_comp', comp)
self.connect('inputs_comp.Sg', 'integral_g_comp.x')
# objective setup
comp = ObjectiveComp(lsm_solver = lsm_solver, nBpts = num_bpts)
comp.add_objective('delF')
self.add_subsystem('objective_comp', comp)
self.connect('displacement_comp.displacements', 'objective_comp.displacements')
self.connect('integral_f_comp.y', 'objective_comp.Cf')
self.connect('scaling_f_comp.y', 'objective_comp.scale_f')
# constraint setup
comp = ConstraintComp(lsm_solver = lsm_solver, nBpts = num_bpts)
comp.add_constraint('delG', upper = 0.0 )
self.add_subsystem('constraint_comp', comp)
self.connect('displacement_comp.displacements', 'constraint_comp.displacements')
self.connect('integral_g_comp.y', 'constraint_comp.Cg')
self.connect('scaling_g_comp.y', 'constraint_comp.scale_g')
self.connect('inputs_comp.constraintDistance', 'constraint_comp.constraintDistance')
def setup(self):
lsm_solver = self.options['lsm_solver']
bpts_xy = self.options['bpts_xy']
bpts_sens = self.options['bpts_sens']
activeList = self.options['ActiveList']
length_segs = self.options['length_segs']
upperbound = self.options['ub']
lowerbound = self.options['lb']
num_dvs = 2 # number of lambdas
num_bpts = bpts_xy.shape[0]
Sf = bpts_sens[:, 0]
Sg = bpts_sens[:, 1]
# inputs (IndepVarComp: component)
comp = IndepVarComp()
comp.add_output('lambdas', val=0.0, shape=num_dvs)
comp.add_output('Sf', val=Sf)
comp.add_output('Sg', val=Sg)
comp.add_output('length', val=length_segs)
self.add_subsystem('inputs_comp', comp)
self.add_design_var('inputs_comp.lambdas',
lower=np.array([lowerbound[0], lowerbound[1]]),
upper=np.array([upperbound[0], upperbound[1]]))
self.connect('inputs_comp.lambdas', 'displacement_comp.lambdas')
self.connect('inputs_comp.Sf', 'active_Sf_comp.x')
self.connect('inputs_comp.Sg', 'active_Sg_comp.x')
self.connect('inputs_comp.length', 'integration_f_comp.x')
self.connect('inputs_comp.length', 'integration_g_comp.x')
# active nodes only
comp = ActiveComp(activeid=activeList, nBpts=num_bpts)
self.add_subsystem('active_Sf_comp', comp)
self.connect('active_Sf_comp.y', 'integration_f_comp.x')
comp = ActiveComp(activeid=activeList, nBpts=num_bpts)
self.add_subsystem('active_Sg_comp', comp)
self.connect('active_Sg_comp.y', 'integration_g_comp.x')
# integrations
comp = IntegComp(nBpts=num_bpts)
self.add_subsystem('active_Sf_comp', comp)
self.connect('active_Sf_comp.y', 'integration_f_comp.x')
comp = IntegComp(nBpts=num_bpts)
self.add_subsystem('active_Sg_comp', comp)
self.connect('active_Sg_comp.y', 'integration_g_comp.x')
# displacements setup
comp = DisplacementComp(lsm_solver=lsm_solver,
num_bpts=num_bpts,
num_dvs=num_dvs)
self.add_subsystem('displacement_comp', comp)
self.connect('displacement_comp.displacements',
'objective_comp.displacements')
self.connect('displacement_comp.displacements',
'constraint_comp.displacements')
# objective setup
comp = ObjectiveComp(lsm_solver=lsm_solver, num_bpts=num_bpts)
comp.add_objective('objective')
self.add_subsystem('objective_comp', comp)
# constraint setup
comp = ConstraintComp(lsm_solver=lsm_solver, num_bpts=num_bpts)
comp.add_constraint('constraint', upper=0.0)
self.add_subsystem('constraint_comp', comp)
def setup(self):
shape = self.options['shape']
aircraft = self.options['aircraft']
comp = IndepVarComp()
comp.add_output('CL_max', val=aircraft['CL_max'], shape=shape)
comp.add_output('CL_takeoff', val=aircraft['CL_takeoff'], shape=shape)
comp.add_output('climb_gradient',
val=aircraft['climb_gradient'],
shape=shape)
comp.add_output('turn_load_factor',
val=aircraft['turn_load_factor'],
shape=shape)
comp.add_output('TOP', val=aircraft['TOP'], shape=shape)
comp.add_output('takeoff_density',
val=aircraft['takeoff_density'],
shape=shape)
comp.add_output('sealevel_density', val=1.225, shape=shape)
comp.add_output('stall_speed',
val=aircraft['stall_speed'],
shape=shape)
comp.add_output('climb_speed',
val=aircraft['climb_speed'],
shape=shape)
comp.add_output('turn_speed', val=aircraft['turn_speed'], shape=shape)
comp.add_output('landing_distance',
val=aircraft['landing_distance'],
shape=shape)
comp.add_output('approach_distance',
val=aircraft['approach_distance'],
shape=shape)
comp.add_output('wing_loading',
val=aircraft['wing_loading'],
shape=shape)
comp.add_output('thrust_to_weight',
val=aircraft['thrust_to_weight'],
shape=shape)
comp.add_output('ref_wing_loading',
val=aircraft['ref_wing_loading'],
shape=shape)
comp.add_output('ref_thrust_to_weight',
val=aircraft['ref_thrust_to_weight'],
shape=shape)
comp.add_design_var('wing_loading', indices=[0], lower=0.)
comp.add_design_var('thrust_to_weight', indices=[0], lower=0.)
self.add_subsystem('inputs_comp', comp, promotes=['*'])
#
comp = PowerCombinationComp(
shape=shape,
out_name='wing_loading_lbf_ft2',
powers_dict=dict(wing_loading=1., ),
coeff=units('lbf/ft^2', 'N/m^2'),
)
self.add_subsystem('wing_loading_lbf_ft2_comp', comp, promotes=['*'])
comp = PowerCombinationComp(
shape=shape,
out_name='ref_power_to_weight',
powers_dict=dict(
ref_thrust_to_weight=1.,
cruise_speed=1.,
propulsive_efficiency=-1.,
),
)
self.add_subsystem('ref_power_to_weight_comp', comp, promotes=['*'])
comp = PowerCombinationComp(
shape=shape,
out_name='power_to_weight',
powers_dict=dict(
thrust_to_weight=1.,
cruise_speed=1.,
propulsive_efficiency=-1.,
),
)
self.add_subsystem('power_to_weight_comp', comp, promotes=['*'])
comp = PowerCombinationComp(
shape=shape,
out_name='wing_area',
powers_dict=dict(
gross_weight=1.,
wing_loading=-1.,
),
)
self.add_subsystem('wing_area_comp', comp, promotes=['*'])
comp = PowerCombinationComp(
shape=shape,
out_name='max_thrust',
powers_dict=dict(
gross_weight=1.,
thrust_to_weight=1.,
),
)
self.add_subsystem('max_thrust_comp', comp, promotes=['*'])
#
comp = StallWingLoadingComp(shape=shape)
self.add_subsystem('stall_wing_loading_comp', comp, promotes=['*'])
comp = ClimbThrustToWeightComp(shape=shape)
self.add_subsystem('climb_thrust_to_weight_comp', comp, promotes=['*'])
comp = TurnThrustToWeightComp(shape=shape)
self.add_subsystem('turn_thrust_to_weight_comp', comp, promotes=['*'])
if aircraft['thrust_source_type'] == 'jet':
TakeoffWingLoadingComp = JetTakeoffWingLoadingComp
elif aircraft['thrust_source_type'] == 'propeller':
TakeoffWingLoadingComp = PropellerTakeoffWingLoadingComp
else:
raise Exception()
comp = TakeoffWingLoadingComp(shape=shape)
self.add_subsystem('takeoff_wing_loading_comp', comp, promotes=['*'])
comp = LandingWingLoadingComp(shape=shape)
self.add_subsystem('landing_wing_loading_comp', comp, promotes=['*'])
#
for con_name in [
'stall',
'takeoff',
'landing',
]:
comp = LinearCombinationComp(
shape=shape,
out_name='{}_wing_loading_constraint'.format(con_name),
coeffs_dict={
'wing_loading': 1.,
'{}_wing_loading'.format(con_name): -1.,
},
)
comp.add_constraint('{}_wing_loading_constraint'.format(con_name),
indices=[0],
upper=0.)
self.add_subsystem(
'{}_wing_loading_constraint_comp'.format(con_name),
comp,
promotes=['*'])
for con_name in [
'climb',
'turn',
]:
comp = LinearCombinationComp(
shape=shape,
out_name='{}_thrust_to_weight_constraint'.format(con_name),
coeffs_dict={
'thrust_to_weight': -1.,
'{}_thrust_to_weight'.format(con_name): 1.,
},
)
comp.add_constraint(
'{}_thrust_to_weight_constraint'.format(con_name),
indices=[0],
upper=0.)
self.add_subsystem(
'{}_thrust_to_weight_constraint_comp'.format(con_name),
comp,
promotes=['*'])
comp = PowerCombinationComp(
shape=shape,
out_name='{}_power_to_weight'.format(con_name),
powers_dict={
'{}_thrust_to_weight'.format(con_name): 1.,
'cruise_speed': 1.,
'propulsive_efficiency': -1.,
},
)
self.add_subsystem('{}_power_to_weight_comp'.format(con_name),
comp,
promotes=['*'])
a = 0.5
comp = LinearPowerCombinationComp(
shape=shape,
out_name='sizing_performance_objective',
terms_list=[
(1 - a, dict(
thrust_to_weight=1.,
ref_thrust_to_weight=-1.,
)),
(-a, dict(
wing_loading=1.,
ref_wing_loading=-1.,
)),
],
)
self.add_subsystem(
'sizing_performance_objective_comp'.format(con_name),
comp,
promotes=['*'])
def setup(self):
num_times = self.options['num_times']
num_cp = self.options['num_cp']
step_size = self.options['step_size']
cubesat = self.options['cubesat']
mtx = self.options['mtx']
shape = (3, num_times)
drag_unit_vec = np.outer(
np.array([0., 0., 1.]),
np.ones(num_times),
)
comp = IndepVarComp()
comp.add_output('drag_unit_vec_t_3xn', val=drag_unit_vec)
comp.add_output('dry_mass', val=cubesat['dry_mass'], shape=num_times)
comp.add_output('radius_earth_km',
val=cubesat['radius_earth_km'],
shape=num_times)
for var_name in ['initial_orbit_state']:
comp.add_output(var_name, val=cubesat[var_name])
self.add_subsystem('input_comp', comp, promotes=['*'])
# comp = InitialOrbitComp()
# self.add_subsystem('initial_orbit_comp', comp, promotes=['*'])
comp = LinearCombinationComp(
shape=(num_times, ),
out_name='mass',
coeffs_dict=dict(dry_mass=1., propellant_mass=1.),
)
self.add_subsystem('mass_comp', comp, promotes=['*'])
if 1:
coupled_group = Group()
comp = LinearCombinationComp(
shape=shape,
out_name='force_3xn',
coeffs_dict=dict(thrust_3xn=1., drag_3xn=1.),
)
coupled_group.add_subsystem('force_3xn_comp', comp, promotes=['*'])
comp = RelativeOrbitRK4Comp(
num_times=num_times,
step_size=step_size,
)
coupled_group.add_subsystem('relative_orbit_rk4_comp',
comp,
promotes=['*'])
comp = LinearCombinationComp(
shape=(6, num_times),
out_name='orbit_state',
coeffs_dict=dict(
relative_orbit_state=1.,
reference_orbit_state=1.,
),
)
coupled_group.add_subsystem('orbit_state_comp',
comp,
promotes=['*'])
comp = LinearCombinationComp(
shape=(6, num_times),
out_name='orbit_state_km',
coeffs_dict=dict(orbit_state=1.e-3),
)
coupled_group.add_subsystem('orbit_state_km_comp',
comp,
promotes=['*'])
comp = RotMtxTIComp(num_times=num_times)
coupled_group.add_subsystem('rot_mtx_t_i_3x3xn_comp',
comp,
promotes=['*'])
comp = ArrayReorderComp(
in_shape=(3, 3, num_times),
out_shape=(3, 3, num_times),
in_subscripts='ijn',
out_subscripts='jin',
in_name='rot_mtx_t_i_3x3xn',
out_name='rot_mtx_i_t_3x3xn',
)
coupled_group.add_subsystem('rot_mtx_i_t_3x3xn_comp',
comp,
promotes=['*'])
comp = MtxVecComp(
num_times=num_times,
mtx_name='rot_mtx_i_t_3x3xn',
vec_name='drag_unit_vec_t_3xn',
out_name='drag_unit_vec_3xn',
)
coupled_group.add_subsystem('drag_unit_vec_3xn_comp',
comp,
promotes=['*'])
comp = PowerCombinationComp(shape=shape,
out_name='drag_3xn',
powers_dict=dict(
drag_unit_vec_3xn=1.,
drag_scalar_3xn=1.,
))
coupled_group.add_subsystem('drag_3xn_comp', comp, promotes=['*'])
coupled_group.nonlinear_solver = NonlinearBlockGS(iprint=0,
maxiter=40,
atol=1e-14,
rtol=1e-12)
coupled_group.linear_solver = LinearBlockGS(iprint=0,
maxiter=40,
atol=1e-14,
rtol=1e-12)
self.add_subsystem('coupled_group', coupled_group, promotes=['*'])
comp = OrbitStateDecompositionComp(
num_times=num_times,
position_name='position_km',
velocity_name='velocity_km_s',
orbit_state_name='orbit_state_km',
)
self.add_subsystem('orbit_state_decomposition_comp',
comp,
promotes=['*'])
comp = LinearCombinationComp(
shape=shape,
out_name='position',
coeffs_dict=dict(position_km=1.e3),
)
self.add_subsystem('position_comp', comp, promotes=['*'])
comp = LinearCombinationComp(
shape=shape,
out_name='velocity',
coeffs_dict=dict(velocity_km_s=1.e3),
)
self.add_subsystem('velocity_comp', comp, promotes=['*'])
#
group = DecomposeVectorGroup(
num_times=num_times,
vec_name='position_km',
norm_name='radius_km',
unit_vec_name='position_unit_vec',
)
self.add_subsystem('position_decomposition_group',
group,
promotes=['*'])
group = DecomposeVectorGroup(
num_times=num_times,
vec_name='velocity_km_s',
norm_name='speed_km_s',
unit_vec_name='velocity_unit_vec',
)
self.add_subsystem('velocity_decomposition_group',
group,
promotes=['*'])
#
comp = LinearCombinationComp(
shape=(num_times, ),
out_name='altitude_km',
coeffs_dict=dict(radius_km=1., radius_earth_km=-1.),
)
self.add_subsystem('altitude_km_comp', comp, promotes=['*'])
comp = KSComp(
in_name='altitude_km',
out_name='ks_altitude_km',
shape=(1, ),
constraint_size=num_times,
rho=100.,
lower_flag=True,
)
comp.add_constraint('ks_altitude_km', lower=450.)
self.add_subsystem('ks_altitude_km_comp', comp, promotes=['*'])
comp = PowerCombinationComp(shape=(
6,
num_times,
),
out_name='relative_orbit_state_sq',
powers_dict={
'relative_orbit_state': 2.,
})
self.add_subsystem('relative_orbit_state_sq_comp',
comp,
promotes=['*'])
comp = ScalarContractionComp(
shape=(
6,
num_times,
),
out_name='relative_orbit_state_sq_sum',
in_name='relative_orbit_state_sq',
)
self.add_subsystem('relative_orbit_state_sq_sum_comp',
comp,
promotes=['*'])
def setup(self):
lsm_solver = self.options['lsm_solver']
bpts_xy = self.options['bpts_xy']
segmentLength = self.options['segmentLength']
# area_fraction = self.options['area_fraction']
# fixedGpts_xy = self.options['fixedGpts_xy']
# fixedGpts_sens = self.options['fixedGpts_sens']
radius = self.options['radius']
# movelimit = self.options['movelimit']
bpts_sens = self.options['bpts_sens']
upperbound = self.options['ub']
lowerbound = self.options['lb']
num_dvs = 2 # number of lambdas
num_bpts = bpts_xy.shape[0]
# inputs (IndepVarComp: component)
comp = IndepVarComp()
comp.add_output('lambdas', val=0.0, shape=num_dvs)
# comp.add_output('fixedGpts_sens', val = fixedGpts_sens)
comp.add_output('bpts_sens', val=bpts_sens)
self.add_subsystem('inputs_comp', comp)
# self.connect('inputs_comp.fixedGpts_sens', 'compl_sens_comp.fixedGpts_sens')
self.connect('inputs_comp.lambdas', 'constraint_comp.lambdas')
self.connect('inputs_comp.lambdas', 'displacement_comp.lambdas')
self.connect('inputs_comp.bpts_sens', 'compliance_scale_comp.x')
# # compliance sensitivity at each boundary points
# comp = ComplSensComp(lsm_solver = lsm_solver,
# bpts_xy = bpts_xy, fixedGpts_xy = fixedGpts_xy,
# radius = radius, area_fraction = area_fraction,
# movelimit = movelimit,
# tmpFix_bpts_sens = tmpFix_bpts_sens,)
# self.add_subsystem('compl_sens_comp', comp)
# self.connect('compl_sens_comp.bpts_sens', 'compliance_scale_comp.x')
# self.add_design_var('inputs_comp.lambdas',
# lower = np.array(['compl_sens_comp.lowerbound'[0], 'compl_sens_comp.lowerbound'[1]]),
# upper = np.array(['compl_sens_comp.upperbound'[0], 'compl_sens_comp.upperbound'[1]]))
self.add_design_var('inputs_comp.lambdas',
lower=np.array([lowerbound[0], lowerbound[1]]),
upper=np.array([upperbound[0], upperbound[1]]))
# constraint setup
comp = AreaConstComp(lsm_solver=lsm_solver,
num_bpts=num_bpts,
num_dvs=num_dvs)
comp.add_constraint('G_cons')
self.add_subsystem('constraint_comp', comp)
self.connect('constraint_comp.bpts_sens', 'constraint_scale_comp.x')
# normalize the (compliance sensitivity)
comp = ScaleComp(num_bpts=num_bpts) #, num_dvs = num_dvs)
self.add_subsystem('compliance_scale_comp', comp)
src_indices_tmp = np.zeros((num_bpts, 2), dtype=int)
src_indices_tmp[:, 0] = np.arange(num_bpts)
self.connect(
'compliance_scale_comp.y',
'displacement_comp.sens_c') #, src_indices=src_indices_tmp)
# normalize the (area sensitivity)
comp = ScaleComp(num_bpts=num_bpts) #, num_dvs = num_dvs)
self.add_subsystem('constraint_scale_comp', comp)
src_indices_tmp = np.zeros((num_bpts, 2), dtype=int)
src_indices_tmp[:, 1] = np.arange(num_bpts)
self.connect(
'constraint_scale_comp.y',
'displacement_comp.sens_a') #,src_indices=src_indices_tmp)
# displacement (z) calculation
comp = DispComp(lsm_solver=lsm_solver,
num_bpts=num_bpts,
num_dvs=num_dvs,
segmentLength=segmentLength
) #lsm_module = lsm_module, lsm_mesh = lsm_mesh)
self.add_subsystem('displacement_comp', comp)
self.add_objective('displacement_comp.F_obj')