"""
Estimation of global center of gravity
"""
# 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/>.
import openmdao.api as om
from fastoad.module_management.service_registry import RegisterSubmodel
from .compute_max_cg_ratio import ComputeMaxCGratio
from ..constants import SERVICE_EMPTY_AIRCRAFT_CG, SERVICE_GLOBAL_CG, SERVICE_LOAD_CASES_CG
[docs]@RegisterSubmodel(SERVICE_GLOBAL_CG, "fastoad.submodel.weight.cg.global.legacy")
class ComputeGlobalCG(om.Group):
# TODO: Document equations. Cite sources
""" Global center of gravity estimation """
[docs] def setup(self):
self.add_subsystem(
"cg_ratio_empty",
RegisterSubmodel.get_submodel(SERVICE_EMPTY_AIRCRAFT_CG),
promotes=["*"],
)
self.add_subsystem(
"cg_ratio_load_cases",
RegisterSubmodel.get_submodel(SERVICE_LOAD_CASES_CG),
promotes=["*"],
)
self.add_subsystem("cg_ratio_max", ComputeMaxCGratio(), promotes=["*"])