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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| import openmdao.api as om | ||
|
|
||
| from aviary.subsystems.atmosphere.atmosphere import Atmosphere | ||
| from aviary.utils.aviary_values import AviaryValues | ||
| from aviary.utils.functions import promote_aircraft_and_mission_vars | ||
| from aviary.variable_info.enums import AnalysisScheme | ||
| from aviary.variable_info.variable_meta_data import _MetaData | ||
|
|
||
|
|
||
| # | ||
| class ExternalSubsystemGroup(om.Group): | ||
| """ | ||
| Create a lightly modified version of an OM group to add external subsystems to the | ||
| ODE with a special configure() method that promotes all 'aircraft:*' and 'mission:*' | ||
| variables to the ODE. | ||
| """ | ||
|
|
||
| def configure(self): | ||
| promote_aircraft_and_mission_vars(self) | ||
|
|
||
|
|
||
| class BaseODE(om.Group): | ||
| """ | ||
| The base class for all ODE components. | ||
| """ | ||
|
|
||
| def initialize(self): | ||
| self.options.declare('num_nodes', default=1, types=int) | ||
| self.options.declare( | ||
| 'subsystem_options', | ||
| types=dict, | ||
| default={}, | ||
| desc='dictionary of parameters to be passed to the subsystem builders', | ||
| ) | ||
| self.options.declare( | ||
| 'aviary_options', | ||
| types=AviaryValues, | ||
| desc='collection of Aircraft/Mission specific options', | ||
| ) | ||
| self.options.declare( | ||
| 'core_subsystems', | ||
| desc='list of core subsystem builder instances to be added to the ODE', | ||
| ) | ||
| self.options.declare( | ||
| 'external_subsystems', | ||
| default=[], | ||
| desc='list of external subsystem builder instances to be added to the ODE', | ||
| ) | ||
| self.options.declare( | ||
| 'meta_data', | ||
| default=_MetaData, | ||
| desc='metadata associated with the variables to be passed into the ODE', | ||
| ) | ||
| self.options.declare( | ||
| "analysis_scheme", | ||
| default=AnalysisScheme.COLLOCATION, | ||
| types=AnalysisScheme, | ||
| desc="The analysis method that will be used to close the trajectory; for example collocation or time integration", | ||
| ) | ||
|
|
||
| def add_atmosphere(self, **kwargs): | ||
| """ | ||
| Adds Atmosphere component to ODE | ||
| """ | ||
| nn = self.options['num_nodes'] | ||
| self.add_subsystem( | ||
| name='atmosphere', | ||
| subsys=Atmosphere(num_nodes=nn, **kwargs), # Atmosphere defaults to TAS | ||
| promotes=['*'], | ||
| ) | ||
|
|
||
| def add_core_subsystems(self, solver_group=None): | ||
| """ | ||
| Adds all specified external subsystems to ODE in their own group | ||
| Parameters | ||
| ---------- | ||
| solver_group : om.Group | ||
| If not None, core subsystems that require a solver | ||
| (subsystem.needs_mission_solver() == True) are placed inside solver_group. | ||
| If None, all core subsystems are added to BaseODE regardless of if they | ||
| request a solver. TODO add solver compatibility to all ODEs | ||
| """ | ||
| nn = self.options['num_nodes'] | ||
| aviary_options = self.options['aviary_options'] | ||
| core_subsystems = self.options['core_subsystems'] | ||
| subsystem_options = self.options['subsystem_options'] | ||
|
|
||
| for subsystem in core_subsystems: | ||
| # check if subsystem_options has entry for a subsystem of this name | ||
| if subsystem.name in subsystem_options: | ||
| kwargs = subsystem_options[subsystem.name] | ||
| else: | ||
| kwargs = {} | ||
|
|
||
| subsystem_mission = subsystem.build_mission( | ||
| num_nodes=nn, aviary_inputs=aviary_options, **kwargs | ||
| ) | ||
|
|
||
| if subsystem_mission is not None: | ||
| if solver_group is not None: | ||
| target = solver_group | ||
| else: | ||
| target = self | ||
|
|
||
| target.add_subsystem( | ||
| subsystem.name, | ||
| subsystem_mission, | ||
| promotes_inputs=subsystem.mission_inputs(**kwargs), | ||
| promotes_outputs=subsystem.mission_outputs(**kwargs), | ||
| ) | ||
|
|
||
| def add_external_subsystems(self, solver_group=None): | ||
| """ | ||
| Adds all specified external subsystems to ODE in their own group | ||
| Parameters | ||
| ---------- | ||
| solver_group : om.Group | ||
| If not None, external subsystems that require a solver | ||
| (subsystem.needs_mission_solver() == True) are placed inside solver_group. | ||
| If None, all external subsystems are added to BaseODE regardless of if they | ||
| request a solver. TODO add solver compatibility to all ODEs | ||
| """ | ||
| nn = self.options['num_nodes'] | ||
| aviary_options = self.options['aviary_options'] | ||
| external_subsystems = self.options['external_subsystems'] | ||
| subsystem_options = self.options['subsystem_options'] | ||
|
|
||
| external_subsystem_group = ExternalSubsystemGroup() | ||
| external_subsystem_group_solver = ExternalSubsystemGroup() | ||
| add_subsystem_group = False | ||
| add_subsystem_group_solver = False | ||
|
|
||
| for subsystem in external_subsystems: | ||
| if subsystem.name in subsystem_options: | ||
| kwargs = subsystem_options[subsystem.name] | ||
| else: | ||
| kwargs = {} | ||
|
|
||
| subsystem_mission = subsystem.build_mission( | ||
| num_nodes=nn, aviary_inputs=aviary_options, **kwargs) | ||
|
|
||
| if subsystem_mission is not None: | ||
| target = external_subsystem_group | ||
| if subsystem.needs_mission_solver( | ||
| aviary_options) and solver_group is not None: | ||
| add_subsystem_group_solver = True | ||
| target = external_subsystem_group_solver | ||
| else: | ||
| add_subsystem_group = True | ||
|
|
||
| target.add_subsystem( | ||
| subsystem.name, | ||
| subsystem_mission, | ||
| promotes_inputs=subsystem.mission_inputs(**kwargs), | ||
| promotes_outputs=subsystem.mission_outputs(**kwargs), | ||
| ) | ||
|
|
||
| # Only add the external subsystem group if it has at least one subsystem. | ||
| # Without this logic there'd be an empty OM group added to the ODE. | ||
| if add_subsystem_group: | ||
| self.add_subsystem( | ||
| name='external_subsystems', | ||
| subsys=external_subsystem_group, | ||
| promotes_inputs=['*'], | ||
| promotes_outputs=['*'], | ||
| ) | ||
| if add_subsystem_group_solver: | ||
| solver_group.add_subsystem( | ||
| name='external_subsystems', | ||
| subsys=external_subsystem_group_solver, | ||
| promotes_inputs=['*'], | ||
| promotes_outputs=['*'], | ||
| ) |
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