def _get_problem_inputs(
self,
problem: FASTOADProblem) -> Tuple[om.IndepVarComp, VariableList]:
"""
Reads input file for the configure problem.
Needed variables are returned as an IndepVarComp instance while unused variables are
returned as a VariableList instance.
:param problem: problem with missing inputs. setup() must have been run.
:return: IVC of needed input variables, VariableList with unused variables.
"""
mandatory, optional = get_unconnected_input_names(problem,
promoted_names=True)
needed_variable_names = mandatory + optional
input_variables = DataFile(self.input_file_path)
unused_variables = VariableList([
var for var in input_variables
if var.name not in needed_variable_names
])
for name in unused_variables.names():
del input_variables[name]
nan_variable_names = [
var.name for var in input_variables if np.all(np.isnan(var.value))
]
if nan_variable_names:
raise FASTConfigurationNanInInputFile(self.input_file_path,
nan_variable_names)
input_ivc = input_variables.to_ivc()
return input_ivc, unused_variables
def test_mission_group_with_loop(cleanup):
input_file_path = pth.join(DATA_FOLDER_PATH, "test_mission.xml")
vars = DataFile(input_file_path)
del vars["data:mission:operational:TOW"]
ivc = vars.to_ivc()
problem = run_system(
Mission(
propulsion_id="test.wrapper.propulsion.dummy_engine",
out_file=pth.join(RESULTS_FOLDER_PATH,
"test_looped_mission_group.csv"),
use_initializer_iteration=True,
mission_file_path=pth.join(DATA_FOLDER_PATH, "test_mission.yml"),
mission_name="operational",
add_solver=True,
),
ivc,
)
# check loop
assert_allclose(
problem["data:mission:operational:TOW"],
problem["data:mission:operational:OWE"] +
problem["data:mission:operational:payload"] +
problem["data:mission:operational:onboard_fuel_at_takeoff"],
atol=1.0,
)
assert_allclose(
problem["data:mission:operational:needed_onboard_fuel_at_takeoff"],
problem["data:mission:operational:onboard_fuel_at_takeoff"],
atol=1.0,
)
assert_allclose(
problem["data:mission:operational:needed_block_fuel"],
problem["data:mission:operational:needed_onboard_fuel_at_takeoff"] +
problem["data:mission:operational:taxi_out:fuel"] +
problem["data:mission:operational:takeoff:fuel"],
atol=1.0,
)
assert_allclose(
problem["data:mission:operational:needed_block_fuel"],
5682.0,
atol=1.0,
)
def test_mission_group_breguet_with_loop(cleanup, with_dummy_plugin_2):
input_file_path = pth.join(DATA_FOLDER_PATH, "test_mission.xml")
vars = DataFile(input_file_path)
del vars["data:mission:operational:TOW"]
ivc = vars.to_ivc()
problem = run_system(
Mission(
propulsion_id="test.wrapper.propulsion.dummy_engine",
out_file=pth.join(RESULTS_FOLDER_PATH, "looped_breguet_mission_group.csv"),
use_initializer_iteration=True,
mission_file_path=pth.join(DATA_FOLDER_PATH, "test_breguet.yml"),
add_solver=True,
reference_area_variable="data:geometry:aircraft:reference_area",
),
ivc,
)
# check loop
assert_allclose(
problem["data:mission:operational:TOW"],
problem["data:mission:operational:OWE"]
+ problem["data:mission:operational:payload"]
+ problem["data:mission:operational:onboard_fuel_at_takeoff"],
atol=1.0,
)
assert_allclose(
problem["data:mission:operational:needed_onboard_fuel_at_takeoff"],
problem["data:mission:operational:onboard_fuel_at_takeoff"],
atol=1.0,
)
assert_allclose(
problem["data:mission:operational:needed_block_fuel"],
problem["data:mission:operational:needed_onboard_fuel_at_takeoff"]
+ problem["data:mission:operational:taxi_out:fuel"]
+ problem["data:mission:operational:takeoff:fuel"],
atol=1.0,
)
assert_allclose(problem["data:mission:operational:needed_block_fuel"], 5626.0, atol=1.0)
assert_allclose(
problem["data:mission:operational:needed_onboard_fuel_at_takeoff"], 5430.0, atol=1.0
)