Source code for gemseo.problems.sobieski.wrappers_sg

# -*- coding: utf-8 -*-
# Copyright 2021 IRT Saint Exupéry, https://www.irt-saintexupery.com
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License version 3 as published by the Free Software Foundation.
#
# 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

# Contributors:
#    INITIAL AUTHORS - initial API and implementation and/or initial
#                        documentation
#        :author: Francois Gallard
#    OTHER AUTHORS   - MACROSCOPIC CHANGES
"""
SSBJ Disciplines wrappers
*************************
"""
from __future__ import absolute_import, division, print_function, unicode_literals

from builtins import super

from future import standard_library
from numpy import array

from gemseo.core.discipline import MDODiscipline
from gemseo.problems.sobieski.core import SobieskiProblem

standard_library.install_aliases()


DTYPE_COMPLEX = "complex128"
DTYPE_DOUBLE = "float64"


[docs]class SobieskiBaseWrapperSimpleGram(MDODiscipline): """Base wrapper for Sobieski problem discipline wrappers and SimpleGrammar """ def __init__(self, dtype=DTYPE_DOUBLE): """ Constructor :param dtype: type of data, either "float64" or "complex128" :type dtype: str """ super(SobieskiBaseWrapperSimpleGram, self).__init__( auto_detect_grammar_files=False, grammar_type=MDODiscipline.SIMPLE_GRAMMAR_TYPE, ) self.sobieski_problem = SobieskiProblem(dtype=dtype) self.init_values = {} self.dtype = dtype def _auto_set_all_numpy_types(self): """Sets the data types of grammars to numpy array""" arr_type = type(array([0.0], dtype=self.dtype)) n_inputs = len(self.input_grammar.get_data_names()) n_outputs = len(self.output_grammar.get_data_names()) self.input_grammar.data_types = [arr_type] * n_inputs self.output_grammar.data_types = [arr_type] * n_outputs def _run(self): """ Run the discipline """ raise NotImplementedError()
[docs]class SobieskiMissionSG(SobieskiBaseWrapperSimpleGram): """Sobieski range wrapper using Breguet formula Uses simple grammars and not JSON, mainly for concept proof Please use JSON version with enhanced checks and features """ def __init__(self, dtype=DTYPE_DOUBLE): """ Constructor of wrapper for weight computation :param dtype: type of data, either "float64" or "complex128" :type dtype: str """ super(SobieskiMissionSG, self).__init__(dtype=dtype) self.input_grammar.data_names = ["y_14", "y_24", "y_34", "x_shared"] self.output_grammar.data_names = ["y_4"] self._auto_set_all_numpy_types() def _run(self): """Compute range""" data_names = ["y_14", "y_24", "y_34", "x_shared"] y_14, y_24, y_34, x_shared = self.get_inputs_by_name(data_names) y_4 = self.sobieski_problem.blackbox_mission(x_shared, y_14, y_24, y_34) self.store_local_data(y_4=y_4) def _compute_jacobian(self, inputs=None, outputs=None): """Linearization of weight analysis :param inputs: Default value = None) :param outputs: Default value = None) """ data_names = ["y_14", "y_24", "y_34", "x_shared"] y_14, y_24, y_34, x_shared = self.get_inputs_by_name(data_names) self.jac = self.sobieski_problem.derive_blackbox_mission( x_shared, y_14, y_24, y_34 )
[docs]class SobieskiStructureSG(SobieskiBaseWrapperSimpleGram): """Sobieski mass estimation wrapper Uses simple grammars and not JSON, mainly for concept proof Please use JSON version with enhanced checks and features """ def __init__(self, dtype=DTYPE_DOUBLE): """ Constructor of wrapper for weight computation """ super(SobieskiStructureSG, self).__init__(dtype=dtype) self.input_grammar.data_names = ["x_1", "y_21", "y_31", "x_shared"] self.output_grammar.data_names = ["y_1", "y_11", "y_12", "y_14", "g_1"] self._auto_set_all_numpy_types() def _run(self): """Compute weight""" data_names = ["x_shared", "y_21", "y_31", "x_1"] x_shared, y_21, y_31, x_1 = self.get_inputs_by_name(data_names) y_1, y_11, y_12, y_14, g_1 = self.sobieski_problem.blackbox_structure( x_shared, y_21, y_31, x_1 ) self.store_local_data(y_1=y_1, y_11=y_11, y_12=y_12, y_14=y_14, g_1=g_1) def _compute_jacobian(self, inputs=None, outputs=None): """Linearization of weight analysis :param inputs: Default value = None) :param outputs: Default value = None) """ data_names = ["x_shared", "y_21", "y_31", "x_1"] x_shared, y_21, y_31, x_1 = self.get_inputs_by_name(data_names) self.jac = self.sobieski_problem.derive_blackbox_structure( x_shared, y_21, y_31, x_1 )
[docs]class SobieskiAerodynamicsSG(SobieskiBaseWrapperSimpleGram): """Sobieski aerodynamic discipline wrapper Uses simple grammars and not JSON, mainly for concept proof Please use JSON version with enhanced checks and features """ def __init__(self, dtype=DTYPE_DOUBLE): """ Constructor of wrapper for aerodynamic computation :param dtype: type of data, either "float64" or "complex128" :type dtype: str """ super(SobieskiAerodynamicsSG, self).__init__(dtype=dtype) self.input_grammar.data_names = ["x_2", "y_12", "y_32", "x_shared"] self.output_grammar.data_names = ["y_2", "y_21", "y_23", "y_24", "g_2"] self._auto_set_all_numpy_types() def _run(self): """Compute aerodynamics""" data_names = ["x_2", "y_12", "y_32", "x_shared"] x_2, y_12, y_32, x_shared = self.get_inputs_by_name(data_names) y_2, y_21, y_23, y_24, g_2 = self.sobieski_problem.blackbox_aerodynamics( x_shared, y_12, y_32, x_2 ) self.store_local_data(y_2=y_2, y_21=y_21, y_23=y_23, y_24=y_24, g_2=g_2) def _compute_jacobian(self, inputs=None, outputs=None): """Compute the partial derivatives of all outputs wrt all inputs :param inputs: Default value = None) :param outputs: Default value = None) """ data_names = ["x_2", "y_12", "y_32", "x_shared"] x_2, y_12, y_32, x_shared = self.get_inputs_by_name(data_names) self.jac = self.sobieski_problem.derive_blackbox_aerodynamics( x_shared, y_12, y_32, x_2 )
[docs]class SobieskiPropulsionSG(SobieskiBaseWrapperSimpleGram): """Sobieski propulsion discipline wrapper Uses simple grammars and not JSON, mainly for concept proof Please use JSON version with enhanced checks and features """ def __init__(self, dtype=DTYPE_DOUBLE): """ Constructor of wrapper for propulsion computation :param dtype: type of data, either "float64" or "complex128" :type dtype: str """ super(SobieskiPropulsionSG, self).__init__(dtype=dtype) self.input_grammar.data_names = ["x_3", "y_23", "x_shared"] self.output_grammar.data_names = ["y_3", "y_34", "y_31", "y_32", "g_3"] self._auto_set_all_numpy_types() def _run(self): """Compute propulsion""" data_names = ["x_3", "y_23", "x_shared"] x_3, y_23, x_shared = self.get_inputs_by_name(data_names) y_3, y_34, y_31, y_32, g_3 = self.sobieski_problem.blackbox_propulsion( x_shared, y_23, x_3 ) self.store_local_data(y_3=y_3, y_34=y_34, y_31=y_31, y_32=y_32, g_3=g_3) def _compute_jacobian(self, inputs=None, outputs=None): """Compute the partial derivatives of all outputs wrt all inputs :param inputs: Default value = None) :param outputs: Default value = None) """ data_names = ["x_3", "y_23", "x_shared"] x_3, y_23, x_shared = self.get_inputs_by_name(data_names) self.jac = self.sobieski_problem.derive_blackbox_propulsion(x_shared, y_23, x_3)