A regulatisation PDE based on a Helmholtz filter. More...

Inheritance diagram for Helmholtz:

Collaboration diagram for Helmholtz:

Public Member Functions
	TypeName ("Helmholtz")
	Runtime type information. More...

	Helmholtz (const fvMesh &mesh, const dictionary &dict, const topOZones &zones)
	Construct from components. More...

virtual	~Helmholtz ()=default
	Destructor. More...

virtual void	regularise (const volScalarField &aTilda, const scalarField &source, scalarField &result, const bool isTopoField, const regularisationRadius &radius, const scalar minSetValue=Zero, const bool fixATildaValues=true)
	Regularise field (or sensitivities) using a Laplace PDE. More...

Public Member Functions inherited from regularisationPDE
	TypeName ("regularisationPDE")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, regularisationPDE, dictionary,(const fvMesh &mesh, const dictionary &dict, const topOZones &zones),(mesh, dict, zones))

	regularisationPDE (const fvMesh &mesh, const dictionary &dict, const topOZones &zones)
	Construct from components. More...

virtual	~regularisationPDE ()=default
	Destructor. More...

Protected Member Functions
void	solveEqn (const volScalarField &aTilda, const scalarField &source, scalarField &result, const bool isTopoField, const regularisationRadius &radius, const scalar minSetValue=Zero, const bool fixATildaValues=true)
	Solve the regulatisation equation. More...

Protected Member Functions inherited from regularisationPDE
void	setValues (fvScalarMatrix &bTildaEqn, const bool isTopoField, const scalar minSetValue=Zero)
	Set fixed bTilda values. More...

void	setValues (const fvMesh &mesh, DynamicList< label > &cells, DynamicList< scalar > &values, bool isTopoField, const scalar minSetValue=Zero)
	Gather the cells with constant values from all constrained zones. More...

scalar	computeRadius ()
	Compute smoothing radius, if not directly given. More...

Protected Attributes
bool	solveOnActiveCells_
	Solve the regularisationPDE only on a subset mesh made of the active cell zones. More...

scalar	wallValue_
	Fixed value at wall boundaries. Defaults to 1. More...

Protected Attributes inherited from regularisationPDE
const fvMesh &	mesh_

const dictionary	dict_

const topOZones &	zones_
	Cell zones related to topology optimisation. More...

bool	growFromWalls_
	Whether to apply a fixedValue BC or zeroGradient one to alphaTilda, when regularisation is performed. More...

Additional Inherited Members
Static Public Member Functions inherited from regularisationPDE
static autoPtr< regularisationPDE >	New (const fvMesh &mesh, const dictionary &dict, const topOZones &zones)
	Construct and return the selected regularisationPDE. More...

Detailed Description

A regulatisation PDE based on a Helmholtz filter.

Source files

Definition at line 49 of file Helmholtz.H.

Constructor & Destructor Documentation

◆ Helmholtz()

Helmholtz	(	const fvMesh &	mesh,
		const dictionary &	dict,
		const topOZones &	zones
	)

Construct from components.

Definition at line 151 of file Helmholtz.C.

◆ ~Helmholtz()

virtual ~Helmholtz ( )

virtualdefault

Destructor.

Member Function Documentation

◆ solveEqn()

void solveEqn	(	const volScalarField &	aTilda,
		const scalarField &	source,
		scalarField &	result,
		const bool	isTopoField,
		const regularisationRadius &	radius,
		const scalar	minSetValue = `Zero`,
		const bool	fixATildaValues = `true`
	)

protected

Solve the regulatisation equation.

The mesh used is the one of aTilda

Definition at line 44 of file Helmholtz.C.

References regularisationRadius::addRegularisationTerm(), GeometricField< Type, PatchField, GeoMesh >::boundaryFieldRef(), Foam::dimless, forAll, Foam::Info, GeometricField< Type, PatchField, GeoMesh >::internalField(), iters(), Foam::mag(), mesh, DimensionedField< Type, GeoMesh >::mesh(), Foam::foamVersion::patch, GeometricField< Type, PatchField, GeoMesh >::primitiveField(), fvMatrix< Type >::solve(), Sp, and Foam::Zero.

Here is the call graph for this function:

◆ TypeName()

TypeName ( "Helmholtz" )

Runtime type information.

◆ regularise()

void regularise	(	const volScalarField &	aTilda,
		const scalarField &	source,
		scalarField &	result,
		const bool	isTopoField,
		const regularisationRadius &	radius,
		const scalar	minSetValue = `Zero`,
		const bool	fixATildaValues = `true`
	)

virtual

Regularise field (or sensitivities) using a Laplace PDE.

Implements regularisationPDE.

Definition at line 166 of file Helmholtz.C.

References cells, Field< Type >::rmap(), and Foam::HashTableOps::values().

Here is the call graph for this function:

Member Data Documentation

◆ solveOnActiveCells_

bool solveOnActiveCells_

protected

Solve the regularisationPDE only on a subset mesh made of the active cell zones.

Definition at line 77 of file Helmholtz.H.

◆ wallValue_

scalar wallValue_

protected

Fixed value at wall boundaries. Defaults to 1.

Definition at line 82 of file Helmholtz.H.

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

src/optimisation/adjointOptimisation/adjoint/optimisation/designVariables/topODesignVariables/regularisation/regularisationPDE/Helmoltz/Helmholtz.H
src/optimisation/adjointOptimisation/adjoint/optimisation/designVariables/topODesignVariables/regularisation/regularisationPDE/Helmoltz/Helmholtz.C

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Helmholtz()

◆ ~Helmholtz()

Member Function Documentation

◆ solveEqn()

◆ TypeName()

◆ regularise()

Member Data Documentation

◆ solveOnActiveCells_

◆ wallValue_