mfem::pLaplace Class Reference

#include <example.hpp>

Inheritance diagram for mfem::pLaplace:

Collaboration diagram for mfem::pLaplace:

Public Member Functions
	pLaplace ()
	pLaplace (Coefficient &pp_)
	pLaplace (Coefficient &pp_, Coefficient &q, Coefficient &ld_)
virtual	~pLaplace ()
virtual real_t	GetElementEnergy (const FiniteElement &el, ElementTransformation &trans, const Vector &elfun)
	Compute the local energy.
virtual void	AssembleElementVector (const FiniteElement &el, ElementTransformation &trans, const Vector &elfun, Vector &elvect)
	Perform the local action of the NonlinearFormIntegrator.
virtual void	AssembleElementGrad (const FiniteElement &el, ElementTransformation &trans, const Vector &elfun, DenseMatrix &elmat)
	Assemble the local gradient matrix.
Public Member Functions inherited from mfem::NonlinearFormIntegrator
virtual void	SetIntRule (const IntegrationRule *ir)
	Prescribe a fixed IntegrationRule to use (when ir != NULL) or let the integrator choose (when ir == NULL).
void	SetIntegrationMode (Mode m)
void	SetNURBSPatchIntRule (NURBSMeshRules *pr)
	For patchwise integration, SetNURBSPatchIntRule must be called.
bool	HasNURBSPatchIntRule () const
bool	Patchwise () const
void	SetIntegrationRule (const IntegrationRule &ir)
	Prescribe a fixed IntegrationRule to use.
void	SetPAMemoryType (MemoryType mt)
const IntegrationRule *	GetIntegrationRule () const
	Get the integration rule of the integrator (possibly NULL).
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.
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.
virtual void	AssemblePA (const FiniteElementSpace &fes)
	Method defining partial assembly.
virtual void	AssemblePA (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes)
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	AddMultPA (const Vector &x, Vector &y) const
	Method for partially assembled action.
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.
virtual void	AssembleMF (const FiniteElementSpace &fes)
	Method defining fully unassembled operator.
virtual void	AddMultMF (const Vector &x, Vector &y) const
ceed::Operator &	GetCeedOp ()
virtual	~NonlinearFormIntegrator ()

Protected Attributes
Coefficient *	pp
Coefficient *	coeff
Coefficient *	load
Protected Attributes inherited from mfem::NonlinearFormIntegrator
const IntegrationRule *	IntRule
Mode	integrationMode = Mode::ELEMENTWISE
NURBSMeshRules *	patchRules = nullptr
ceed::Operator *	ceedOp
MemoryType	pa_mt = MemoryType::DEFAULT

Additional Inherited Members
Public Types inherited from mfem::NonlinearFormIntegrator
enum	Mode { ELEMENTWISE = 0 , PATCHWISE = 1 , PATCHWISE_REDUCED = 2 }
Protected Member Functions inherited from mfem::NonlinearFormIntegrator
	NonlinearFormIntegrator (const IntegrationRule *ir=NULL)

Detailed Description

Implements hand-coded integrator for a p-Laplacian problem. Utilized as alternative for the pLaplaceAD class based on automatic differentiation.

Definition at line 369 of file example.hpp.

Constructor & Destructor Documentation

pLaplace() [1/3]

mfem::pLaplace::pLaplace ( )

inline

Definition at line 377 of file example.hpp.

pLaplace() [2/3]

mfem::pLaplace::pLaplace ( Coefficient & pp_ )

inline

Definition at line 384 of file example.hpp.

pLaplace() [3/3]

mfem::pLaplace::pLaplace ( Coefficient & pp_, Coefficient & q, Coefficient & ld_ )

inline

Definition at line 386 of file example.hpp.

~pLaplace()

virtual mfem::pLaplace::~pLaplace ( )

inlinevirtual

Definition at line 390 of file example.hpp.

Member Function Documentation

AssembleElementGrad()

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

inlinevirtual

Assemble the local gradient matrix.

Reimplemented from mfem::NonlinearFormIntegrator.

Definition at line 530 of file example.hpp.

AssembleElementVector()

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

inlinevirtual

Perform the local action of the NonlinearFormIntegrator.

Reimplemented from mfem::NonlinearFormIntegrator.

Definition at line 456 of file example.hpp.

GetElementEnergy()

virtual real_t mfem::pLaplace::GetElementEnergy ( const FiniteElement & el, ElementTransformation & Tr, const Vector & elfun )

inlinevirtual

Compute the local energy.

Reimplemented from mfem::NonlinearFormIntegrator.

Definition at line 392 of file example.hpp.

Member Data Documentation

coeff

Coefficient* mfem::pLaplace::coeff

protected

Definition at line 373 of file example.hpp.

load

Coefficient* mfem::pLaplace::load

protected

Definition at line 374 of file example.hpp.

pp

Coefficient* mfem::pLaplace::pp

protected

Definition at line 372 of file example.hpp.

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

• miniapps/autodiff/example.hpp