#include <bilininteg.hpp>

Inheritance diagram for mfem::DiffusionIntegrator:

Collaboration diagram for mfem::DiffusionIntegrator:

Public Member Functions
	DiffusionIntegrator ()
	Construct a diffusion integrator with coefficient Q = 1. More...

	DiffusionIntegrator (Coefficient &q)
	Construct a diffusion integrator with a scalar coefficient q. More...

	DiffusionIntegrator (MatrixCoefficient &q)
	Construct a diffusion integrator with a matrix coefficient q. More...

virtual void	AssembleElementMatrix (const FiniteElement &el, ElementTransformation &Trans, DenseMatrix &elmat)

virtual void	AssembleElementMatrix2 (const FiniteElement &trial_fe, const FiniteElement &test_fe, ElementTransformation &Trans, DenseMatrix &elmat)

virtual void	AssembleElementVector (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, Vector &elvect)
	Perform the local action of the BilinearFormIntegrator. More...

virtual void	ComputeElementFlux (const FiniteElement &el, ElementTransformation &Trans, Vector &u, const FiniteElement &fluxelem, Vector &flux, int with_coef=1)

virtual double	ComputeFluxEnergy (const FiniteElement &fluxelem, ElementTransformation &Trans, Vector &flux, Vector *d_energy=NULL)

Public Member Functions inherited from mfem::BilinearFormIntegrator
virtual void	AssembleFaceMatrix (const FiniteElement &el1, const FiniteElement &el2, 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	AssembleElementGrad (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, DenseMatrix &elmat)
	Assemble the local gradient matrix. More...

void	SetIntRule (const IntegrationRule *ir)

virtual	~BilinearFormIntegrator ()

Public Member Functions inherited from mfem::NonlinearFormIntegrator
virtual double	GetElementEnergy (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun)
	Compute the local energy. More...

virtual	~NonlinearFormIntegrator ()

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

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

Detailed Description

Class for integrating the bilinear form a(u,v) := (Q grad u, grad v) where Q can be a scalar or a matrix coefficient.

Definition at line 1577 of file bilininteg.hpp.

Constructor & Destructor Documentation

mfem::DiffusionIntegrator::DiffusionIntegrator ( )

inline

Construct a diffusion integrator with coefficient Q = 1.

Definition at line 1590 of file bilininteg.hpp.

mfem::DiffusionIntegrator::DiffusionIntegrator ( Coefficient & q )

inline

Construct a diffusion integrator with a scalar coefficient q.

Definition at line 1593 of file bilininteg.hpp.

mfem::DiffusionIntegrator::DiffusionIntegrator ( MatrixCoefficient & q )

inline

Construct a diffusion integrator with a matrix coefficient q.

Definition at line 1596 of file bilininteg.hpp.

Member Function Documentation

void mfem::DiffusionIntegrator::AssembleElementMatrix	(	const FiniteElement &	el,
		ElementTransformation &	Trans,
		DenseMatrix &	elmat
	)

virtual

Given a particular Finite Element computes the element stiffness matrix elmat.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 365 of file bilininteg.cpp.

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

virtual

Given a trial and test Finite Element computes the element stiffness matrix elmat.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 437 of file bilininteg.cpp.

void mfem::DiffusionIntegrator::AssembleElementVector	(	const FiniteElement &	el,
		ElementTransformation &	Tr,
		const Vector &	elfun,
		Vector &	elvect
	)

virtual

Perform the local action of the BilinearFormIntegrator.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 517 of file bilininteg.cpp.

void mfem::DiffusionIntegrator::ComputeElementFlux	(	const FiniteElement &	el,
		ElementTransformation &	Trans,
		Vector &	u,
		const FiniteElement &	fluxelem,
		Vector &	flux,
		int	with_coef = `1`
	)

virtual

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 595 of file bilininteg.cpp.

double mfem::DiffusionIntegrator::ComputeFluxEnergy	(	const FiniteElement &	fluxelem,
		ElementTransformation &	Trans,
		Vector &	flux,
		Vector *	d_energy = `NULL`
	)

virtual

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 653 of file bilininteg.cpp.

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation