"""
Python module for fuselage geometry calculation - Cabin (Commercial), part of the geometry
component.
"""
# This file is part of FAST-OAD_CS23 : A framework for rapid Overall Aircraft Design
# Copyright (C) 2025 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/>.
import openmdao.api as om
import fastoad.api as oad
from fastga.models.options import CABIN_SIZING_OPTION
from .components import (
ComputeFuselageGeometryBasic,
ComputeFuselageGeometryCabinSizingFD,
ComputeFuselageGeometryCabinSizingFL,
ComputeFuselageMasterCrossSection,
)
from .constants import SERVICE_FUSELAGE_WET_AREA, SERVICE_FUSELAGE_DEPTH, SERVICE_FUSELAGE_VOLUME
[docs]class ComputeFuselageAlternate(om.Group):
"""
Fuselage geometry calculations with fixed rear fuselage length cabin sizing.
"""
# pylint: disable=missing-function-docstring
# Overriding OpenMDAO initialize
[docs] def initialize(self):
self.options.declare(CABIN_SIZING_OPTION, types=float, default=1.0)
# pylint: disable=missing-function-docstring
# Overriding OpenMDAO setup
[docs] def setup(self):
if self.options[CABIN_SIZING_OPTION] == 1.0:
self.add_subsystem(
"compute_fuselage_dim",
ComputeFuselageGeometryCabinSizingFL(),
promotes=["*"],
)
else:
self.add_subsystem(
"compute_fuselage_dim", ComputeFuselageGeometryBasic(), promotes=["*"]
)
self.add_subsystem(
"compute_fus_wet_area",
oad.RegisterSubmodel.get_submodel(SERVICE_FUSELAGE_WET_AREA),
promotes=["*"],
)
self.add_subsystem(
"compute_avg_fuselage_depth",
oad.RegisterSubmodel.get_submodel(SERVICE_FUSELAGE_DEPTH),
promotes=["*"],
)
self.add_subsystem(
"compute_fuselage_volume",
oad.RegisterSubmodel.get_submodel(SERVICE_FUSELAGE_VOLUME),
promotes=["*"],
)
self.add_subsystem(
"fuselage_master_cross_section",
ComputeFuselageMasterCrossSection(),
promotes=["*"],
)
[docs]class ComputeFuselageLegacy(om.Group):
"""
Fuselage geometry calculations with fixed MACs distance cabin sizing.
"""
# pylint: disable=missing-function-docstring
# Overriding OpenMDAO initialize
[docs] def initialize(self):
self.options.declare(CABIN_SIZING_OPTION, types=float, default=1.0)
# pylint: disable=missing-function-docstring
# Overriding OpenMDAO setup
[docs] def setup(self):
if self.options[CABIN_SIZING_OPTION] == 1.0:
self.add_subsystem(
"compute_fuselage_dim",
ComputeFuselageGeometryCabinSizingFD(),
promotes=["*"],
)
else:
self.add_subsystem(
"compute_fuselage_dim", ComputeFuselageGeometryBasic(), promotes=["*"]
)
self.add_subsystem(
"compute_fus_wet_area",
oad.RegisterSubmodel.get_submodel(SERVICE_FUSELAGE_WET_AREA),
promotes=["*"],
)
self.add_subsystem(
"compute_avg_fuselage_depth",
oad.RegisterSubmodel.get_submodel(SERVICE_FUSELAGE_DEPTH),
promotes=["*"],
)
self.add_subsystem(
"compute_fuselage_volume",
oad.RegisterSubmodel.get_submodel(SERVICE_FUSELAGE_VOLUME),
promotes=["*"],
)
self.add_subsystem(
"fuselage_master_cross_section",
ComputeFuselageMasterCrossSection(),
promotes=["*"],
)