# This file is part of FAST-OAD_CS23 : A framework for rapid Overall Aircraft Design
# Copyright (C) 2022 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 numpy as np
import openmdao.api as om
[docs]class SizingEnergy(om.ExplicitComponent):
"""Computes the fuel consumed during the whole sizing mission."""
[docs] def setup(self):
self.add_input("data:mission:sizing:main_route:climb:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:main_route:climb:energy", val=np.nan, units="W*h")
self.add_input("data:mission:sizing:main_route:cruise:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:main_route:cruise:energy", val=np.nan, units="W*h")
self.add_input("data:mission:sizing:main_route:descent:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:main_route:descent:energy", val=np.nan, units="W*h")
self.add_input("data:mission:sizing:main_route:reserve:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:main_route:reserve:energy", val=np.nan, units="W*h")
self.add_input("data:mission:sizing:taxi_out:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:taxi_out:energy", val=np.nan, units="W*h")
self.add_input("data:mission:sizing:takeoff:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:takeoff:energy", val=np.nan, units="W*h")
self.add_input("data:mission:sizing:initial_climb:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:initial_climb:energy", val=np.nan, units="W*h")
self.add_input("data:mission:sizing:taxi_in:fuel", val=np.nan, units="kg")
self.add_input("data:mission:sizing:taxi_in:energy", val=np.nan, units="W*h")
self.add_output("data:mission:sizing:fuel", val=250, units="kg")
self.add_output("data:mission:sizing:energy", val=200e3, units="W*h")
[docs] def setup_partials(self):
self.declare_partials(of="data:mission:sizing:fuel", wrt="*:fuel", method="exact")
self.declare_partials(of="data:mission:sizing:energy", wrt="*:energy", method="exact")
[docs] def compute(self, inputs, outputs, discrete_inputs=None, discrete_outputs=None):
outputs["data:mission:sizing:fuel"] = (
inputs["data:mission:sizing:main_route:climb:fuel"]
+ inputs["data:mission:sizing:main_route:cruise:fuel"]
+ inputs["data:mission:sizing:main_route:descent:fuel"]
+ inputs["data:mission:sizing:main_route:reserve:fuel"]
+ inputs["data:mission:sizing:taxi_out:fuel"]
+ inputs["data:mission:sizing:taxi_in:fuel"]
+ inputs["data:mission:sizing:takeoff:fuel"]
+ inputs["data:mission:sizing:initial_climb:fuel"]
)
outputs["data:mission:sizing:energy"] = (
inputs["data:mission:sizing:main_route:climb:energy"]
+ inputs["data:mission:sizing:main_route:cruise:energy"]
+ inputs["data:mission:sizing:main_route:descent:energy"]
+ inputs["data:mission:sizing:main_route:reserve:energy"]
+ inputs["data:mission:sizing:taxi_out:energy"]
+ inputs["data:mission:sizing:taxi_in:energy"]
+ inputs["data:mission:sizing:takeoff:energy"]
+ inputs["data:mission:sizing:initial_climb:energy"]
)
[docs] def compute_partials(self, inputs, partials, discrete_inputs=None):
partials["data:mission:sizing:fuel", "data:mission:sizing:main_route:climb:fuel"] = 1
partials["data:mission:sizing:fuel", "data:mission:sizing:main_route:cruise:fuel"] = 1
partials["data:mission:sizing:fuel", "data:mission:sizing:main_route:descent:fuel"] = 1
partials["data:mission:sizing:fuel", "data:mission:sizing:main_route:reserve:fuel"] = 1
partials["data:mission:sizing:fuel", "data:mission:sizing:taxi_out:fuel"] = 1
partials["data:mission:sizing:fuel", "data:mission:sizing:taxi_in:fuel"] = 1
partials["data:mission:sizing:fuel", "data:mission:sizing:takeoff:fuel"] = 1
partials["data:mission:sizing:fuel", "data:mission:sizing:initial_climb:fuel"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:main_route:climb:energy"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:main_route:cruise:energy"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:main_route:descent:energy"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:main_route:reserve:energy"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:taxi_out:energy"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:taxi_in:energy"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:takeoff:energy"] = 1
partials["data:mission:sizing:energy", "data:mission:sizing:initial_climb:energy"] = 1