Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
adjointMeshMovementSolver Class Reference

Class solving the adjoint grid dispalcement PDEs. Assumes the primal grid displacement PDE is a Laplace one with uniform diffusivity. More...

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Public Member Functions

 TypeName ("adjointMeshMovementSolver")
 Runtime type information. More...
 
 adjointMeshMovementSolver (const fvMesh &mesh, const dictionary &dict, ShapeSensitivitiesBase &adjointSensitivity)
 Construct from components. More...
 
virtual ~adjointMeshMovementSolver ()=default
 
virtual bool readDict (const dictionary &dict)
 Read dict if changed. More...
 
virtual void solve ()
 Calculate the adjoint distance field. More...
 
void reset ()
 Reset the source term. More...
 
boundaryVectorField & meshMovementSensitivities ()
 Return the sensitivity term depending on ma. More...
 
const volVectorField & ma () const
 Return the adjoint distance field. More...
 

Protected Member Functions

void read ()
 Read options each time a new solution is found. More...
 
void setSource ()
 Set the source term of the PDE. More...
 

Protected Attributes

const fvMesh & mesh_
 Reference to mesh. More...
 
dictionary dict_
 Dictionary containing solution controls. More...
 
autoPtr< boundaryVectorField > meshMovementSensPtr_
 Part of sensitivity derivatives coming from the adjoint grid displacement PDE. More...
 
ShapeSensitivitiesBase & adjointSensitivity_
 
volVectorField ma_
 Adjoint grid displacement field. More...
 
volVectorField source_
 Source term of the adjoint grid displacement PDEs. More...
 
label iters_
 Solution controls. More...
 
scalar tolerance_
 

Detailed Description

Class solving the adjoint grid dispalcement PDEs. Assumes the primal grid displacement PDE is a Laplace one with uniform diffusivity.

Reference: 

    For the derivation of the adjoint grid displacement PDEs, see
        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
Source files

Definition at line 66 of file adjointMeshMovementSolver.H.

Constructor & Destructor Documentation

◆ adjointMeshMovementSolver()

adjointMeshMovementSolver ( const fvMesh &  mesh,
const dictionary &  dict,
ShapeSensitivitiesBase &  adjointSensitivity 
)

Construct from components.

Definition at line 87 of file adjointMeshMovementSolver.C.

References Foam::read().

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◆ ~adjointMeshMovementSolver()

virtual ~adjointMeshMovementSolver ( )
virtualdefault

Member Function Documentation

◆ read()

void read ( )
protected

Read options each time a new solution is found.

Definition at line 41 of file adjointMeshMovementSolver.C.

References adjointMeshMovementSolver::dict_, dictionary::getOrDefault(), adjointMeshMovementSolver::iters_, and adjointMeshMovementSolver::tolerance_.

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◆ setSource()

void setSource ( )
protected

Set the source term of the PDE.

Definition at line 48 of file adjointMeshMovementSolver.C.

References adjointMeshMovementSolver::adjointSensitivity_, Foam::fvc::div(), adjointSensitivity::getAdjointEikonalSolver(), adjointSensitivity::getAdjointSolver(), adjointSolver::getObjectiveManager(), Foam::fvc::grad(), adjointSensitivity::gradDxDbMult(), Foam::interpolate(), adjointMeshMovementSolver::mesh_, adjointSensitivity::optionsDxDbMult(), GeometricField< Type, PatchField, GeoMesh >::primitiveFieldRef(), fvMesh::Sf(), and adjointMeshMovementSolver::source_.

Referenced by adjointMeshMovementSolver::solve().

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◆ TypeName()

TypeName ( "adjointMeshMovementSolver"  )

Runtime type information.

◆ readDict()

bool readDict ( const dictionary &  dict)
virtual

Read dict if changed.

Definition at line 135 of file adjointMeshMovementSolver.C.

References dict, Foam::read(), and dictionary::subOrEmptyDict().

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◆ solve()

void solve ( )
virtual

Calculate the adjoint distance field.

Definition at line 146 of file adjointMeshMovementSolver.C.

References GeometricField< Type, PatchField, GeoMesh >::boundaryFieldRef(), fvMatrix< Type >::boundaryManipulate(), Foam::endl(), Foam::gMax(), Foam::Info, adjointMeshMovementSolver::iters_, Foam::fvm::laplacian(), adjointMeshMovementSolver::ma_, Foam::mag(), adjointMeshMovementSolver::mesh_, Time::printExecutionTime(), adjointMeshMovementSolver::setSource(), Foam::solve(), solution::solverDict(), adjointMeshMovementSolver::source_, fvMesh::time(), adjointMeshMovementSolver::tolerance_, and regIOobject::write().

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◆ reset()

void reset ( )

Reset the source term.

Definition at line 181 of file adjointMeshMovementSolver.C.

References DimensionedField< Type, GeoMesh >::dimensions(), adjointMeshMovementSolver::meshMovementSensPtr_, adjointMeshMovementSolver::source_, and Foam::Zero.

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◆ meshMovementSensitivities()

boundaryVectorField & meshMovementSensitivities ( )

Return the sensitivity term depending on ma.

Definition at line 188 of file adjointMeshMovementSolver.C.

References adjointMeshMovementSolver::adjointSensitivity_, GeometricField< Type, PatchField, GeoMesh >::boundaryField(), ShapeSensitivitiesBase::geometryVariationIntegrationPatches(), adjointMeshMovementSolver::ma_, and adjointMeshMovementSolver::meshMovementSensPtr_.

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◆ ma()

const volVectorField& ma ( ) const
inline

Return the adjoint distance field.

Definition at line 186 of file adjointMeshMovementSolver.H.

References adjointMeshMovementSolver::ma_.

Member Data Documentation

◆ mesh_

const fvMesh& mesh_
protected

Reference to mesh.

Definition at line 75 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::setSource(), and adjointMeshMovementSolver::solve().

◆ dict_

dictionary dict_
protected

Dictionary containing solution controls.

Definition at line 80 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::read().

◆ meshMovementSensPtr_

autoPtr<boundaryVectorField> meshMovementSensPtr_
protected

Part of sensitivity derivatives coming from the adjoint grid displacement PDE.

Definition at line 86 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::meshMovementSensitivities(), and adjointMeshMovementSolver::reset().

◆ adjointSensitivity_

ShapeSensitivitiesBase& adjointSensitivity_
protected

Definition at line 89 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::meshMovementSensitivities(), and adjointMeshMovementSolver::setSource().

◆ ma_

volVectorField ma_
protected

Adjoint grid displacement field.

Definition at line 94 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::ma(), adjointMeshMovementSolver::meshMovementSensitivities(), and adjointMeshMovementSolver::solve().

◆ source_

volVectorField source_
protected

Source term of the adjoint grid displacement PDEs.

Definition at line 99 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::reset(), adjointMeshMovementSolver::setSource(), and adjointMeshMovementSolver::solve().

◆ iters_

label iters_
protected

Solution controls.

Definition at line 104 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::read(), and adjointMeshMovementSolver::solve().

◆ tolerance_

scalar tolerance_
protected

Definition at line 105 of file adjointMeshMovementSolver.H.

Referenced by adjointMeshMovementSolver::read(), and adjointMeshMovementSolver::solve().

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