MFEM  v4.6.0
Finite element discretization library
Public Member Functions | Protected Member Functions | List of all members
mfem::MixedScalarWeakGradientIntegrator Class Reference

#include <bilininteg.hpp>

Inheritance diagram for mfem::MixedScalarWeakGradientIntegrator:
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Collaboration diagram for mfem::MixedScalarWeakGradientIntegrator:
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Public Member Functions

 MixedScalarWeakGradientIntegrator ()
 
 MixedScalarWeakGradientIntegrator (Coefficient &q)
 
- Public Member Functions inherited from mfem::MixedScalarIntegrator
virtual void AssembleElementMatrix2 (const FiniteElement &trial_fe, const FiniteElement &test_fe, ElementTransformation &Trans, DenseMatrix &elmat)
 
virtual void AssembleElementMatrix (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &elmat)
 Support for use in BilinearForm. Can be used only when appropriate. More...
 
- Public Member Functions inherited from mfem::BilinearFormIntegrator
virtual void AssemblePA (const FiniteElementSpace &fes)
 Method defining partial assembly. More...
 
virtual void AssemblePA (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes)
 
virtual void AssembleNURBSPA (const FiniteElementSpace &fes)
 Method defining partial assembly on NURBS patches. More...
 
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. More...
 
virtual void AssembleDiagonalPA_ADAt (const Vector &D, Vector &diag)
 Assemble diagonal of ADA^T (A is this integrator) and add it to diag. More...
 
virtual void AddMultPA (const Vector &x, Vector &y) const
 Method for partially assembled action. More...
 
virtual void AddMultNURBSPA (const Vector &x, Vector &y) const
 Method for partially assembled action on NURBS patches. More...
 
virtual void AddMultTransposePA (const Vector &x, Vector &y) const
 Method for partially assembled transposed action. More...
 
virtual void AssembleEA (const FiniteElementSpace &fes, Vector &emat, const bool add=true)
 Method defining element assembly. More...
 
virtual void AssembleMF (const FiniteElementSpace &fes)
 Method defining matrix-free assembly. More...
 
virtual void AddMultMF (const Vector &x, Vector &y) const
 
virtual void AddMultTransposeMF (const Vector &x, Vector &y) const
 
virtual void AssembleDiagonalMF (Vector &diag)
 Assemble diagonal and add it to Vector diag. More...
 
virtual void AssembleEAInteriorFaces (const FiniteElementSpace &fes, Vector &ea_data_int, Vector &ea_data_ext, const bool add=true)
 
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_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)
 
virtual void AssembleElementVector (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, Vector &elvect)
 Perform the local action of the BilinearFormIntegrator. Note that the default implementation in the base class is general but not efficient. More...
 
virtual void AssembleFaceVector (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, Vector &elvect)
 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. 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 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. More...
 
virtual double ComputeFluxEnergy (const FiniteElement &fluxelem, ElementTransformation &Trans, Vector &flux, Vector *d_energy=NULL)
 Virtual method required for Zienkiewicz-Zhu type error estimators. More...
 
virtual ~BilinearFormIntegrator ()
 
virtual void AssemblePA (const FiniteElementSpace &fes)
 Method defining partial assembly. More...
 
virtual void AssemblePA (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes)
 
- 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). More...
 
void SetIntegrationMode (Mode m)
 
void SetNURBSPatchIntRule (NURBSMeshRules *pr)
 For patchwise integration, SetNURBSPatchIntRule must be called. More...
 
bool HasNURBSPatchIntRule () const
 
bool Patchwise () const
 
void SetIntegrationRule (const IntegrationRule &ir)
 Prescribe a fixed IntegrationRule to use. More...
 
void SetPAMemoryType (MemoryType mt)
 
const IntegrationRuleGetIntegrationRule () const
 Get the integration rule of the integrator (possibly NULL). More...
 
virtual double GetElementEnergy (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun)
 Compute the local energy. More...
 
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. More...
 
virtual double GetLocalStateEnergyPA (const Vector &x) const
 Compute the local (to the MPI rank) energy with partial assembly. More...
 
virtual void AddMultGradPA (const Vector &x, Vector &y) const
 Method for partially assembled gradient action. More...
 
virtual void AssembleGradDiagonalPA (Vector &diag) const
 Method for computing the diagonal of the gradient with partial assembly. More...
 
virtual bool SupportsCeed () const
 Indicates whether this integrator can use a Ceed backend. More...
 
ceed::OperatorGetCeedOp ()
 
virtual ~NonlinearFormIntegrator ()
 

Protected Member Functions

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 void CalcTestShape (const FiniteElement &test_fe, ElementTransformation &Trans, Vector &shape)
 
- Protected Member Functions inherited from mfem::MixedScalarIntegrator
 MixedScalarIntegrator ()
 
 MixedScalarIntegrator (Coefficient &q)
 
virtual void CalcTrialShape (const FiniteElement &trial_fe, ElementTransformation &Trans, Vector &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)
 

Additional Inherited Members

- Public Types inherited from mfem::NonlinearFormIntegrator
enum  Mode { ELEMENTWISE = 0, PATCHWISE = 1, PATCHWISE_REDUCED = 2 }
 
- Protected Attributes inherited from mfem::MixedScalarIntegrator
bool same_calc_shape
 
CoefficientQ
 
- Protected Attributes inherited from mfem::NonlinearFormIntegrator
const IntegrationRuleIntRule
 
Mode integrationMode = Mode::ELEMENTWISE
 
NURBSMeshRulespatchRules = nullptr
 
ceed::OperatorceedOp
 
MemoryType pa_mt = MemoryType::DEFAULT
 

Detailed Description

Class for integrating the bilinear form a(u,v) := -(Q u, div v) in either 2D or 3D where Q is an optional scalar coefficient, u is in L2 or H1, and v is in H(Div).

Definition at line 880 of file bilininteg.hpp.

Constructor & Destructor Documentation

◆ MixedScalarWeakGradientIntegrator() [1/2]

mfem::MixedScalarWeakGradientIntegrator::MixedScalarWeakGradientIntegrator ( )
inline

Definition at line 883 of file bilininteg.hpp.

◆ MixedScalarWeakGradientIntegrator() [2/2]

mfem::MixedScalarWeakGradientIntegrator::MixedScalarWeakGradientIntegrator ( Coefficient q)
inline

Definition at line 884 of file bilininteg.hpp.

Member Function Documentation

◆ CalcTestShape()

virtual void mfem::MixedScalarWeakGradientIntegrator::CalcTestShape ( const FiniteElement test_fe,
ElementTransformation Trans,
Vector shape 
)
inlineprotectedvirtual

Reimplemented from mfem::MixedScalarIntegrator.

Definition at line 908 of file bilininteg.hpp.

◆ FiniteElementTypeFailureMessage()

virtual const char* mfem::MixedScalarWeakGradientIntegrator::FiniteElementTypeFailureMessage ( ) const
inlineprotectedvirtual

Reimplemented from mfem::MixedScalarIntegrator.

Definition at line 896 of file bilininteg.hpp.

◆ GetIntegrationOrder()

virtual int mfem::MixedScalarWeakGradientIntegrator::GetIntegrationOrder ( const FiniteElement trial_fe,
const FiniteElement test_fe,
ElementTransformation Trans 
)
inlineprotectedvirtual

Reimplemented from mfem::MixedScalarIntegrator.

Definition at line 903 of file bilininteg.hpp.

◆ VerifyFiniteElementTypes()

virtual bool mfem::MixedScalarWeakGradientIntegrator::VerifyFiniteElementTypes ( const FiniteElement trial_fe,
const FiniteElement test_fe 
) const
inlineprotectedvirtual

Reimplemented from mfem::MixedScalarIntegrator.

Definition at line 888 of file bilininteg.hpp.


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