adjointSensitivity Class Referenceabstract

Abstract base class for adjoint-based sensitivities in incompressible flows. More...

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Public Member Functions

 TypeName ("adjointSensitivity")
 Runtime type information. More...
 
 declareRunTimeSelectionTable (autoPtr, adjointSensitivity, dictionary,(const fvMesh &mesh, const dictionary &dict, incompressibleAdjointSolver &adjointSolver),(mesh, dict, adjointSolver))
 
 adjointSensitivity (const fvMesh &mesh, const dictionary &dict, incompressibleAdjointSolver &adjointSolver)
 Construct from components. More...
 
virtual ~adjointSensitivity ()=default
 Destructor. More...
 
const incompressibleVarsprimalVars () const
 Get primal variables. More...
 
const incompressibleAdjointVarsadjointVars () const
 Get adjoint variables. More...
 
const incompressibleAdjointSolveradjointSolver () const
 Get adjoint solver. More...
 
virtual void accumulateIntegrand (const scalar dt)=0
 Accumulate sensitivity integrands. More...
 
virtual void assembleSensitivities ()=0
 Assemble sensitivities. More...
 
virtual const scalarFieldcalculateSensitivities ()
 Calculates and returns sensitivity fields. More...
 
const scalarFieldgetSensitivities () const
 Returns the sensitivity fields. More...
 
virtual void clearSensitivities ()
 Zero sensitivity fields and their constituents. More...
 
virtual void write (const word &baseName=word::null)
 Write sensitivity fields. More...
 
tmp< volTensorFieldcomputeGradDxDbMultiplier ()
 
tmp< volVectorFieldadjointMeshMovementSource ()
 Compute source term for adjoint mesh movement equation. More...
 
- Public Member Functions inherited from sensitivity
 TypeName ("sensitivity")
 Runtime type information. More...
 
 sensitivity (const fvMesh &mesh, const dictionary &dict)
 Construct from components. More...
 
virtual ~sensitivity ()=default
 Destructor. More...
 
const dictionarydict () const
 Return the construction dictionary. More...
 
virtual bool readDict (const dictionary &dict)
 Read dictionary if changed. More...
 
virtual void computeDerivativesSize ()
 Compute design variables number. Does nothing in the base. More...
 
virtual const scalarFieldcalculateSensitivities ()=0
 Calculates and returns sensitivity fields. More...
 
virtual void write (const word &baseName=word::null)
 Write sensitivity fields. More...
 

Static Public Member Functions

static autoPtr< adjointSensitivityNew (const fvMesh &mesh, const dictionary &dict, incompressibleAdjointSolver &adjointSolver)
 Return a reference to the selected turbulence model. More...
 

Protected Attributes

scalarField derivatives_
 
incompressibleAdjointSolveradjointSolver_
 
const incompressibleVarsprimalVars_
 
incompressibleAdjointVarsadjointVars_
 
objectiveManagerobjectiveManager_
 
- Protected Attributes inherited from sensitivity
const fvMeshmesh_
 
dictionary dict_
 
autoPtr< volScalarFieldfieldSensPtr_
 

Detailed Description

Abstract base class for adjoint-based sensitivities in incompressible flows.

Reference:

    For the FI and ESI formulations
        Kavvadias, I., Papoutsis-Kiachagias, E., & Giannakoglou, K. (2015).
        On the proper treatment of grid sensitivities in continuous adjoint
        methods for shape optimization.
        Journal of Computational Physics, 301, 1–18.
        http://doi.org/10.1016/j.jcp.2015.08.012

    For the SI formulation
        Papoutsis-Kiachagias, E. M., & Giannakoglou, K. C. (2014).
        Continuous Adjoint Methods for Turbulent Flows, Applied to Shape
        and Topology Optimization: Industrial Applications.
        Archives of Computational Methods in Engineering, 23(2), 255–299.
        http://doi.org/10.1007/s11831-014-9141-9
Source files

Definition at line 78 of file adjointSensitivityIncompressible.H.

Constructor & Destructor Documentation

◆ adjointSensitivity()

adjointSensitivity ( const fvMesh mesh,
const dictionary dict,
incompressibleAdjointSolver adjointSolver 
)

Construct from components.

Definition at line 52 of file adjointSensitivityIncompressible.C.

◆ ~adjointSensitivity()

virtual ~adjointSensitivity ( )
virtualdefault

Destructor.

Member Function Documentation

◆ TypeName()

TypeName ( "adjointSensitivity"  )

Runtime type information.

◆ declareRunTimeSelectionTable()

declareRunTimeSelectionTable ( autoPtr  ,
adjointSensitivity  ,
dictionary  ,
(const fvMesh &mesh, const dictionary &dict, incompressibleAdjointSolver &adjointSolver ,
(mesh, dict, adjointSolver  
)

◆ New()

autoPtr< adjointSensitivity > New ( const fvMesh mesh,
const dictionary dict,
incompressibleAdjointSolver adjointSolver 
)
static

Return a reference to the selected turbulence model.

Definition at line 70 of file adjointSensitivityIncompressible.C.

References sensitivity::dict(), Foam::endl(), Foam::exit(), Foam::FatalIOError, FatalIOErrorInLookup, dictionary::get(), Foam::Info, and mesh.

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◆ primalVars()

const incompressibleVars & primalVars ( ) const
inline

Get primal variables.

Definition at line 158 of file adjointSensitivityIncompressible.H.

References adjointSensitivity::primalVars_.

◆ adjointVars()

const incompressibleAdjointVars & adjointVars ( ) const
inline

Get adjoint variables.

Definition at line 164 of file adjointSensitivityIncompressible.H.

References adjointSensitivity::adjointVars_.

◆ adjointSolver()

const incompressibleAdjointSolver & adjointSolver ( ) const
inline

Get adjoint solver.

Definition at line 170 of file adjointSensitivityIncompressible.H.

References adjointSensitivity::adjointSolver_.

◆ accumulateIntegrand()

virtual void accumulateIntegrand ( const scalar  dt)
pure virtual

Accumulate sensitivity integrands.

Corresponds to the flow and adjoint part of the sensitivities

Implemented in FIBase, sensitivityMultiple, sensitivitySurface, sensitivitySurfacePoints, SIBase, and shapeSensitivities.

◆ assembleSensitivities()

virtual void assembleSensitivities ( )
pure virtual

Assemble sensitivities.

Adds the geometric part of the sensitivities

Implemented in sensitivityBezier, sensitivityBezierFI, sensitivityMultiple, sensitivitySurface, sensitivitySurfacePoints, sensitivityVolBSplines, sensitivityVolBSplinesFI, FIBase, shapeSensitivities, and SIBase.

Referenced by adjointSensitivity::calculateSensitivities().

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◆ calculateSensitivities()

const scalarField & calculateSensitivities ( )
virtual

Calculates and returns sensitivity fields.

Used with optimisation libraries

Implements sensitivity.

Reimplemented in sensitivityMultiple.

Definition at line 103 of file adjointSensitivityIncompressible.C.

References adjointSensitivity::assembleSensitivities(), adjointSensitivity::derivatives_, Foam::type(), and write().

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◆ getSensitivities()

const scalarField & getSensitivities ( ) const

Returns the sensitivity fields.

Assumes it has already been updated/computed

Definition at line 111 of file adjointSensitivityIncompressible.C.

References adjointSensitivity::derivatives_.

◆ clearSensitivities()

void clearSensitivities ( )
virtual

Zero sensitivity fields and their constituents.

Reimplemented in FIBase, sensitivityBezier, sensitivityBezierFI, sensitivityMultiple, sensitivitySurface, sensitivitySurfacePoints, sensitivityVolBSplines, sensitivityVolBSplinesFI, shapeSensitivities, and SIBase.

Definition at line 117 of file adjointSensitivityIncompressible.C.

References adjointSensitivity::derivatives_, and sensitivity::fieldSensPtr_.

Referenced by sensitivitySurface::clearSensitivities(), sensitivitySurfacePoints::clearSensitivities(), and shapeSensitivities::clearSensitivities().

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◆ write()

void write ( const word baseName = word::null)
virtual

Write sensitivity fields.

If valid, copies boundaryFields to volFields and writes them. Virtual to be reimplemented by control points-based methods (Bezier, RBF) which do not need to write fields

Reimplemented from sensitivity.

Reimplemented in sensitivityBezier, sensitivityBezierFI, sensitivityMultiple, sensitivitySurface, sensitivitySurfacePoints, sensitivityVolBSplines, sensitivityVolBSplinesFI, shapeSensitivities, and SIBase.

Definition at line 127 of file adjointSensitivityIncompressible.C.

References ObukhovLength::write().

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◆ computeGradDxDbMultiplier()

tmp< volTensorField > computeGradDxDbMultiplier ( )

Compute the volTensorField multiplying grad(dxdb) for the volume-based approach to compute shape sensitivity derivatives

Definition at line 133 of file adjointSensitivityIncompressible.C.

References adjointSensitivity::adjointSolver_, and incompressibleAdjointSolver::computeGradDxDbMultiplier().

Referenced by FIBase::accumulateIntegrand(), and adjointSensitivity::adjointMeshMovementSource().

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◆ adjointMeshMovementSource()

tmp< volVectorField > adjointMeshMovementSource ( )

Compute source term for adjoint mesh movement equation.

Definition at line 139 of file adjointSensitivityIncompressible.C.

References adjointSensitivity::adjointVars_, adjointSensitivity::computeGradDxDbMultiplier(), DimensionedField< Type, GeoMesh >::dimensions(), Foam::dimLength, Foam::fvc::div(), sensitivity::mesh_, Time::New(), IOobject::NO_READ, IOobject::NO_WRITE, GeometricField< Type, PatchField, GeoMesh >::primitiveFieldRef(), tmp< T >::ref(), variablesSet::solverName(), GeometricField< Type, PatchField, GeoMesh >::T(), fvMesh::time(), Time::timeName(), and Foam::Zero.

Referenced by adjointMeshMovementSolver::accumulateIntegrand().

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Member Data Documentation

◆ derivatives_

◆ adjointSolver_

◆ primalVars_

◆ adjointVars_

◆ objectiveManager_


The documentation for this class was generated from the following files: