#include <bilininteg.hpp>

Inheritance diagram for mfem::MixedVectorIntegrator:

Collaboration diagram for mfem::MixedVectorIntegrator:

Public Member Functions
void	AssembleElementMatrix2 (const FiniteElement &trial_fe, const FiniteElement &test_fe, ElementTransformation &Trans, DenseMatrix &elmat) override

void	AssembleElementMatrix (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &elmat) override
	Support for use in BilinearForm. Can be used only when appropriate.

Public Member Functions inherited from mfem::BilinearFormIntegrator
void	AssemblePA (const FiniteElementSpace &fes) override
	Method defining partial assembly.

void	AssemblePA (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes) override

virtual void	AssembleNURBSPA (const FiniteElementSpace &fes)
	Method defining partial assembly on NURBS patches.

virtual void	AssemblePABoundary (const FiniteElementSpace &fes)

virtual void	AssemblePAInteriorFaces (const FiniteElementSpace &fes)

virtual void	AssemblePABoundaryFaces (const FiniteElementSpace &fes)

virtual void	AssembleDiagonalPA (Vector &diag)
	Assemble diagonal and add it to Vector diag.

virtual void	AssembleDiagonalPA_ADAt (const Vector &D, Vector &diag)
	Assemble diagonal of \(A D A^T\) ( \(A\) is this integrator) and add it to diag.

void	AddMultPA (const Vector &x, Vector &y) const override
	Method for partially assembled action.

virtual void	AddAbsMultPA (const Vector &x, Vector &y) const

virtual void	AddMultNURBSPA (const Vector &x, Vector &y) const
	Method for partially assembled action on NURBS patches.

virtual void	AddMultTransposePA (const Vector &x, Vector &y) const
	Method for partially assembled transposed action.

virtual void	AddAbsMultTransposePA (const Vector &x, Vector &y) const

virtual void	AssembleEA (const FiniteElementSpace &fes, Vector &emat, const bool add=true)
	Method defining element assembly.

void	AssembleMF (const FiniteElementSpace &fes) override
	Method defining matrix-free assembly.

void	AddMultMF (const Vector &x, Vector &y) const override

virtual void	AddMultTransposeMF (const Vector &x, Vector &y) const

virtual void	AssembleDiagonalMF (Vector &diag)
	Assemble diagonal and add it to Vector diag.

virtual void	AssembleEABoundary (const FiniteElementSpace &fes, Vector &ea_data_bdr, const bool add=true)

virtual void	AssembleEAInteriorFaces (const FiniteElementSpace &fes, Vector &ea_data_int, Vector &ea_data_ext, const bool add=true)

virtual void	AssembleEAInteriorFaces (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes, Vector &emat, const bool add=true)
	Method defining element assembly for mixed trace integrators.

virtual void	AssembleEABoundaryFaces (const FiniteElementSpace &fes, Vector &ea_data_bdr, const bool add=true)

virtual void	AssemblePatchMatrix (const int patch, const FiniteElementSpace &fes, SparseMatrix *&smat)

virtual void	AssembleFaceMatrix (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Trans, DenseMatrix &elmat)

virtual void	AssembleFaceMatrix (const FiniteElement &trial_fe1, const FiniteElement &test_fe1, const FiniteElement &trial_fe2, const FiniteElement &test_fe2, FaceElementTransformations &Trans, DenseMatrix &elmat)

virtual void	AssembleFaceMatrix (const FiniteElement &trial_face_fe, const FiniteElement &test_fe1, const FiniteElement &test_fe2, FaceElementTransformations &Trans, DenseMatrix &elmat)

virtual void	AssembleTraceFaceMatrix (int elem, const FiniteElement &trial_face_fe, const FiniteElement &test_fe, FaceElementTransformations &Trans, DenseMatrix &elmat)

void	AssembleElementVector (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, Vector &elvect) override
	Perform the local action of the BilinearFormIntegrator. Note that the default implementation in the base class is general but not efficient.

void	AssembleFaceVector (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, Vector &elvect) override
	Perform the local action of the BilinearFormIntegrator resulting from a face integral term. Note that the default implementation in the base class is general but not efficient.

void	AssembleElementGrad (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, DenseMatrix &elmat) override
	Assemble the local gradient matrix.

void	AssembleFaceGrad (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, DenseMatrix &elmat) override
	Assemble the local action of the gradient of the NonlinearFormIntegrator resulting from a face integral term.

virtual void	ComputeElementFlux (const FiniteElement &el, ElementTransformation &Trans, Vector &u, const FiniteElement &fluxelem, Vector &flux, bool with_coef=true, const IntegrationRule *ir=NULL)
	Virtual method required for Zienkiewicz-Zhu type error estimators.

virtual real_t	ComputeFluxEnergy (const FiniteElement &fluxelem, ElementTransformation &Trans, Vector &flux, Vector *d_energy=NULL)
	Virtual method required for Zienkiewicz-Zhu type error estimators.

virtual bool	RequiresFaceNormalDerivatives () const
	For bilinear forms on element faces, specifies if the normal derivatives are needed on the faces or just the face restriction.

virtual void	AddMultPAFaceNormalDerivatives (const Vector &x, const Vector &dxdn, Vector &y, Vector &dydn) const
	Method for partially assembled action.

virtual	~BilinearFormIntegrator ()

Public Member Functions inherited from mfem::NonlinearFormIntegrator
void	SetIntegrationMode (Mode m)

bool	Patchwise () const

void	SetPAMemoryType (MemoryType mt)

virtual real_t	GetElementEnergy (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun)
	Compute the local energy.

virtual void	AssembleGradPA (const Vector &x, const FiniteElementSpace &fes)
	Prepare the integrator for partial assembly (PA) gradient evaluations on the given FE space fes at the state x.

virtual real_t	GetLocalStateEnergyPA (const Vector &x) const
	Compute the local (to the MPI rank) energy with partial assembly.

virtual void	AddMultGradPA (const Vector &x, Vector &y) const
	Method for partially assembled gradient action.

virtual void	AssembleGradDiagonalPA (Vector &diag) const
	Method for computing the diagonal of the gradient with partial assembly.

virtual bool	SupportsCeed () const
	Indicates whether this integrator can use a Ceed backend.

ceed::Operator &	GetCeedOp ()

virtual	~NonlinearFormIntegrator ()

Public Member Functions inherited from mfem::Integrator
	Integrator (const IntegrationRule *ir=NULL)
	Create a new Integrator, optionally providing a prescribed quadrature rule to use in assembly.

virtual void	SetIntRule (const IntegrationRule *ir)
	Prescribe a fixed IntegrationRule to use, or set to null to let the integrator choose an appropriate rule.

void	SetIntegrationRule (const IntegrationRule &ir)
	Prescribe a fixed IntegrationRule to use. Sets the NURBS patch integration rule to null.

void	SetNURBSPatchIntRule (NURBSMeshRules *pr)
	Sets an integration rule for use on NURBS patches.

bool	HasNURBSPatchIntRule () const
	Check if a NURBS patch integration rule has been set.

const IntegrationRule *	GetIntRule () const
	Directly return the IntRule pointer (possibly null) without checking for NURBS patch rules or falling back on a default.

const IntegrationRule *	GetIntegrationRule () const
	Equivalent to GetIntRule, but retained for backward compatibility with applications.

Protected Member Functions
	MixedVectorIntegrator ()

	MixedVectorIntegrator (Coefficient &q)

	MixedVectorIntegrator (VectorCoefficient &vq, bool diag=true)

	MixedVectorIntegrator (MatrixCoefficient &mq)

virtual bool	VerifyFiniteElementTypes (const FiniteElement &trial_fe, const FiniteElement &test_fe) const

virtual const char *	FiniteElementTypeFailureMessage () const

virtual int	GetIntegrationOrder (const FiniteElement &trial_fe, const FiniteElement &test_fe, ElementTransformation &Trans)

virtual int	GetTestVDim (const FiniteElement &test_fe)

virtual void	CalcTestShape (const FiniteElement &test_fe, ElementTransformation &Trans, DenseMatrix &shape)

virtual int	GetTrialVDim (const FiniteElement &trial_fe)

virtual void	CalcTrialShape (const FiniteElement &trial_fe, ElementTransformation &Trans, DenseMatrix &shape)

Protected Member Functions inherited from mfem::BilinearFormIntegrator
	BilinearFormIntegrator (const IntegrationRule *ir=NULL)

Protected Member Functions inherited from mfem::NonlinearFormIntegrator
	NonlinearFormIntegrator (const IntegrationRule *ir=NULL)

Protected Member Functions inherited from mfem::Integrator
const IntegrationRule *	GetIntegrationRule (const FiniteElement &trial_fe, const FiniteElement &test_fe, const ElementTransformation &trans) const
	Returns an integration rule based on the arguments and internal state of the Integrator object.

const IntegrationRule *	GetIntegrationRule (const FiniteElement &el, const ElementTransformation &trans) const
	Returns an integration rule based on the arguments and internal state. (Version for identical trial_fe and test_fe)

virtual const IntegrationRule *	GetDefaultIntegrationRule (const FiniteElement &trial_fe, const FiniteElement &test_fe, const ElementTransformation &trans) const
	Subclasses should override to choose a default integration rule.

Protected Attributes
bool	same_calc_shape

int	space_dim

Coefficient *	Q

VectorCoefficient *	VQ

DiagonalMatrixCoefficient *	DQ

MatrixCoefficient *	MQ

Protected Attributes inherited from mfem::NonlinearFormIntegrator
Mode	integrationMode = Mode::ELEMENTWISE

ceed::Operator *	ceedOp

MemoryType	pa_mt = MemoryType::DEFAULT

Protected Attributes inherited from mfem::Integrator
const IntegrationRule *	IntRule

NURBSMeshRules *	patchRules = nullptr

Additional Inherited Members
Public Types inherited from mfem::NonlinearFormIntegrator
enum	Mode { ELEMENTWISE = 0 , PATCHWISE = 1 , PATCHWISE_REDUCED = 2 }

Detailed Description

An abstract class for integrating the inner product of two vector basis functions with an optional scalar, vector, or matrix coefficient.

Definition at line 603 of file bilininteg.hpp.

Constructor & Destructor Documentation

◆ MixedVectorIntegrator() [1/4]

mfem::MixedVectorIntegrator::MixedVectorIntegrator ( )

inlineprotected

Definition at line 624 of file bilininteg.hpp.

◆ MixedVectorIntegrator() [2/4]

mfem::MixedVectorIntegrator::MixedVectorIntegrator ( Coefficient & q )

inlineprotected

Definition at line 626 of file bilininteg.hpp.

◆ MixedVectorIntegrator() [3/4]

mfem::MixedVectorIntegrator::MixedVectorIntegrator	(	VectorCoefficient &	vq,
		bool	diag = true )

inlineprotected

Definition at line 628 of file bilininteg.hpp.

◆ MixedVectorIntegrator() [4/4]

mfem::MixedVectorIntegrator::MixedVectorIntegrator ( MatrixCoefficient & mq )

inlineprotected

Definition at line 631 of file bilininteg.hpp.

Member Function Documentation

◆ AssembleElementMatrix()

void mfem::MixedVectorIntegrator::AssembleElementMatrix	(	const FiniteElement &	fe,
		ElementTransformation &	Trans,
		DenseMatrix &	elmat )

inlineoverridevirtual

Support for use in BilinearForm. Can be used only when appropriate.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 613 of file bilininteg.hpp.

◆ AssembleElementMatrix2()

void mfem::MixedVectorIntegrator::AssembleElementMatrix2	(	const FiniteElement &	trial_fe,
		const FiniteElement &	test_fe,
		ElementTransformation &	Trans,
		DenseMatrix &	elmat )

overridevirtual

Compute the local matrix representation of a bilinear form \(a(u,v)\) defined on different trial (given by \(u\)) and test (given by \(v\)) spaces. The rows in the local matrix correspond to the test dofs and the columns – to the trial dofs.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 591 of file bilininteg.cpp.

◆ CalcTestShape()

virtual void mfem::MixedVectorIntegrator::CalcTestShape	(	const FiniteElement &	test_fe,
		ElementTransformation &	Trans,
		DenseMatrix &	shape )

inlineprotectedvirtual

Reimplemented in mfem::MixedCrossCurlCurlIntegrator, mfem::MixedCrossCurlGradIntegrator, mfem::MixedCrossGradCurlIntegrator, mfem::MixedCrossGradGradIntegrator, mfem::MixedCrossGradIntegrator, mfem::MixedCurlCurlIntegrator, mfem::MixedGradGradIntegrator, mfem::MixedVectorWeakCurlIntegrator, mfem::MixedVectorWeakDivergenceIntegrator, mfem::MixedWeakCurlCrossIntegrator, and mfem::MixedWeakDivCrossIntegrator.

Definition at line 657 of file bilininteg.hpp.

◆ CalcTrialShape()

virtual void mfem::MixedVectorIntegrator::CalcTrialShape	(	const FiniteElement &	trial_fe,
		ElementTransformation &	Trans,
		DenseMatrix &	shape )

inlineprotectedvirtual

Reimplemented in mfem::MixedCrossCurlCurlIntegrator, mfem::MixedCrossCurlGradIntegrator, mfem::MixedCrossCurlIntegrator, mfem::MixedCrossGradCurlIntegrator, mfem::MixedCrossGradGradIntegrator, mfem::MixedCrossGradIntegrator, mfem::MixedCurlCurlIntegrator, mfem::MixedGradGradIntegrator, mfem::MixedVectorCurlIntegrator, and mfem::MixedVectorGradientIntegrator.

Definition at line 665 of file bilininteg.hpp.

◆ FiniteElementTypeFailureMessage()

virtual const char * mfem::MixedVectorIntegrator::FiniteElementTypeFailureMessage ( ) const

inlineprotectedvirtual

Definition at line 642 of file bilininteg.hpp.

◆ GetIntegrationOrder()

virtual int mfem::MixedVectorIntegrator::GetIntegrationOrder	(	const FiniteElement &	trial_fe,
		const FiniteElement &	test_fe,
		ElementTransformation &	Trans )

inlineprotectedvirtual

Reimplemented in mfem::MixedGradGradIntegrator.

Definition at line 648 of file bilininteg.hpp.

◆ GetTestVDim()

virtual int mfem::MixedVectorIntegrator::GetTestVDim ( const FiniteElement & test_fe )

inlineprotectedvirtual

Reimplemented in mfem::MixedCrossCurlCurlIntegrator, mfem::MixedCrossCurlGradIntegrator, mfem::MixedCrossGradCurlIntegrator, mfem::MixedCrossGradGradIntegrator, mfem::MixedCurlCurlIntegrator, mfem::MixedGradGradIntegrator, mfem::MixedVectorWeakCurlIntegrator, mfem::MixedVectorWeakDivergenceIntegrator, mfem::MixedWeakCurlCrossIntegrator, and mfem::MixedWeakDivCrossIntegrator.

Definition at line 654 of file bilininteg.hpp.

◆ GetTrialVDim()

virtual int mfem::MixedVectorIntegrator::GetTrialVDim ( const FiniteElement & trial_fe )

inlineprotectedvirtual

Reimplemented in mfem::MixedCrossCurlCurlIntegrator, mfem::MixedCrossCurlGradIntegrator, mfem::MixedCrossCurlIntegrator, mfem::MixedCrossGradCurlIntegrator, mfem::MixedCrossGradGradIntegrator, mfem::MixedCrossGradIntegrator, mfem::MixedCurlCurlIntegrator, mfem::MixedGradGradIntegrator, mfem::MixedVectorCurlIntegrator, and mfem::MixedVectorGradientIntegrator.

Definition at line 662 of file bilininteg.hpp.

◆ VerifyFiniteElementTypes()

virtual bool mfem::MixedVectorIntegrator::VerifyFiniteElementTypes	(	const FiniteElement &	trial_fe,
		const FiniteElement &	test_fe ) const

inlineprotectedvirtual

Definition at line 634 of file bilininteg.hpp.

Member Data Documentation

◆ DQ

DiagonalMatrixCoefficient* mfem::MixedVectorIntegrator::DQ

protected

Definition at line 673 of file bilininteg.hpp.

◆ MQ

MatrixCoefficient* mfem::MixedVectorIntegrator::MQ

protected

Definition at line 674 of file bilininteg.hpp.

◆ Q

Coefficient* mfem::MixedVectorIntegrator::Q

protected

Definition at line 671 of file bilininteg.hpp.

◆ same_calc_shape

bool mfem::MixedVectorIntegrator::same_calc_shape

protected

This parameter can be set by derived methods to enable single shape evaluation in case CalcTestShape() and CalcTrialShape() return the same result if given the same FiniteElement. The default is false.

Definition at line 622 of file bilininteg.hpp.

◆ space_dim

int mfem::MixedVectorIntegrator::space_dim

protected

Definition at line 670 of file bilininteg.hpp.

◆ VQ

VectorCoefficient* mfem::MixedVectorIntegrator::VQ

protected

Definition at line 672 of file bilininteg.hpp.

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

fem/bilininteg.hpp
fem/bilininteg.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MixedVectorIntegrator() [1/4]

◆ MixedVectorIntegrator() [2/4]

◆ MixedVectorIntegrator() [3/4]

◆ MixedVectorIntegrator() [4/4]

Member Function Documentation

◆ AssembleElementMatrix()

◆ AssembleElementMatrix2()

◆ CalcTestShape()

◆ CalcTrialShape()

◆ FiniteElementTypeFailureMessage()

◆ GetIntegrationOrder()

◆ GetTestVDim()

◆ GetTrialVDim()

◆ VerifyFiniteElementTypes()

Member Data Documentation

◆ DQ

◆ MQ

◆ Q

◆ same_calc_shape

◆ space_dim

◆ VQ