"""Computation of furniture mass."""
# This file is part of FAST-OAD : A framework for rapid Overall Aircraft Design
# Copyright (C) 2021 ONERA & ISAE-SUPAERO
# FAST is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from openmdao import api as om
from fastoad.module_management.service_registry import RegisterSubmodel
from .constants import (
SERVICE_PASSENGER_SEATS_MASS,
SERVICE_FOOD_WATER_MASS,
SERVICE_SECURITY_KIT_MASS,
SERVICE_TOILETS_MASS,
)
from ..constants import SERVICE_FURNITURE_MASS
[docs]@RegisterSubmodel(
SERVICE_FURNITURE_MASS, "fastoad.submodel.weight.mass.furniture.cargo_configuration.legacy"
)
class FurnitureWeight(om.Group):
"""
Computes mass of furniture.
"""
[docs] def setup(self):
self.add_subsystem(
"passenger_seats_weight",
RegisterSubmodel.get_submodel(SERVICE_PASSENGER_SEATS_MASS),
promotes=["*"],
)
self.add_subsystem(
"food_water_weight",
RegisterSubmodel.get_submodel(SERVICE_FOOD_WATER_MASS),
promotes=["*"],
)
self.add_subsystem(
"security_kit_weight",
RegisterSubmodel.get_submodel(SERVICE_SECURITY_KIT_MASS, ""),
promotes=["*"],
)
self.add_subsystem(
"toilets_weight", RegisterSubmodel.get_submodel(SERVICE_TOILETS_MASS), promotes=["*"]
)
weight_sum = om.AddSubtractComp()
weight_sum.add_equation(
"data:weight:furniture:mass",
[
"data:weight:furniture:passenger_seats:mass",
"data:weight:furniture:food_water:mass",
"data:weight:furniture:security_kit:mass",
"data:weight:furniture:toilets:mass",
],
units="kg",
desc="Mass of aircraft furniture",
)
self.add_subsystem(
"furniture_weight_sum", weight_sum, promotes=["*"],
)