mfem::NonlinearFormIntegrator Class Reference

#include <nonlininteg.hpp>

Inheritance diagram for mfem::NonlinearFormIntegrator:

Collaboration diagram for mfem::NonlinearFormIntegrator:

Public Member Functions
void	SetIntRule (const IntegrationRule *ir)
	Prescribe a fixed IntegrationRule to use (when ir != NULL) or let the integrator choose (when ir == NULL). More...
void	SetIntegrationRule (const IntegrationRule &irule)
	Prescribe a fixed IntegrationRule to use. More...
virtual void	AssembleElementVector (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, Vector &elvect)
	Perform the local action of the NonlinearFormIntegrator. More...
virtual void	AssembleFaceVector (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, Vector &elvect)
	Perform the local action of the NonlinearFormIntegrator resulting from a face integral term. More...
virtual void	AssembleElementGrad (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, DenseMatrix &elmat)
	Assemble the local gradient matrix. More...
virtual void	AssembleFaceGrad (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, DenseMatrix &elmat)
	Assemble the local action of the gradient of the NonlinearFormIntegrator resulting from a face integral term. More...
virtual double	GetElementEnergy (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun)
	Compute the local energy. More...
virtual	~NonlinearFormIntegrator ()

Protected Member Functions
	NonlinearFormIntegrator (const IntegrationRule *ir=NULL)

Protected Attributes
const IntegrationRule *	IntRule

Detailed Description

The abstract base class NonlinearFormIntegrator is used to express the local action of a general nonlinear finite element operator. In addition it may provide the capability to assemble the local gradient operator and to compute the local energy.

Definition at line 26 of file nonlininteg.hpp.

Constructor & Destructor Documentation

mfem::NonlinearFormIntegrator::NonlinearFormIntegrator ( const IntegrationRule *  ir = NULL )

inlineprotected

Definition at line 31 of file nonlininteg.hpp.

virtual mfem::NonlinearFormIntegrator::~NonlinearFormIntegrator ( )

inlinevirtual

Definition at line 71 of file nonlininteg.hpp.

Member Function Documentation

void mfem::NonlinearFormIntegrator::AssembleElementGrad ( const FiniteElement &  el, ElementTransformation &  Tr, const Vector &  elfun, DenseMatrix &  elmat  )

virtual

Assemble the local gradient matrix.

Reimplemented in mfem::TMOP_Integrator, mfem::HyperelasticNLFIntegrator, and mfem::BilinearFormIntegrator.

Definition at line 33 of file nonlininteg.cpp.

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

virtual

Perform the local action of the NonlinearFormIntegrator.

Reimplemented in mfem::VectorDiffusionIntegrator, mfem::DiffusionIntegrator, mfem::TMOP_Integrator, mfem::HyperelasticNLFIntegrator, and mfem::BilinearFormIntegrator.

Definition at line 17 of file nonlininteg.cpp.

void mfem::NonlinearFormIntegrator::AssembleFaceGrad ( const FiniteElement &  el1, const FiniteElement &  el2, FaceElementTransformations &  Tr, const Vector &  elfun, DenseMatrix &  elmat  )

virtual

Assemble the local action of the gradient of the NonlinearFormIntegrator resulting from a face integral term.

Reimplemented in mfem::BilinearFormIntegrator.

Definition at line 41 of file nonlininteg.cpp.

void mfem::NonlinearFormIntegrator::AssembleFaceVector ( const FiniteElement &  el1, const FiniteElement &  el2, FaceElementTransformations &  Tr, const Vector &  elfun, Vector &  elvect  )

virtual

Perform the local action of the NonlinearFormIntegrator resulting from a face integral term.

Reimplemented in FaceIntegrator.

Definition at line 25 of file nonlininteg.cpp.

double mfem::NonlinearFormIntegrator::GetElementEnergy ( const FiniteElement &  el, ElementTransformation &  Tr, const Vector &  elfun  )

virtual

Compute the local energy.

Reimplemented in mfem::VectorCurlCurlIntegrator, mfem::TMOP_Integrator, and mfem::HyperelasticNLFIntegrator.

Definition at line 50 of file nonlininteg.cpp.

void mfem::NonlinearFormIntegrator::SetIntegrationRule ( const IntegrationRule &  irule )

inline

Prescribe a fixed IntegrationRule to use.

Definition at line 40 of file nonlininteg.hpp.

void mfem::NonlinearFormIntegrator::SetIntRule ( const IntegrationRule *  ir )

inline

Prescribe a fixed IntegrationRule to use (when ir != NULL) or let the integrator choose (when ir == NULL).

Definition at line 37 of file nonlininteg.hpp.

Member Data Documentation

const IntegrationRule* mfem::NonlinearFormIntegrator::IntRule

protected

Definition at line 29 of file nonlininteg.hpp.

---

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

• fem/nonlininteg.hpp
• fem/nonlininteg.cpp