MFEM  v4.3.0
Finite element discretization library
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mfem::SumIntegrator Class Reference

Integrator defining a sum of multiple Integrators. More...

#include <bilininteg.hpp>

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

 SumIntegrator (int own_integs=1)
 
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 AddIntegrator (BilinearFormIntegrator *integ)
 
virtual void AssembleElementMatrix (const FiniteElement &el, ElementTransformation &Trans, DenseMatrix &elmat)
 Given a particular Finite Element computes the element matrix elmat. More...
 
virtual void AssembleElementMatrix2 (const FiniteElement &trial_fe, const FiniteElement &test_fe, ElementTransformation &Trans, DenseMatrix &elmat)
 
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 AssemblePA (const FiniteElementSpace &fes)
 Method defining partial assembly. More...
 
virtual void AssembleDiagonalPA (Vector &diag)
 Assemble diagonal and add it to Vector diag. More...
 
virtual void AssemblePAInteriorFaces (const FiniteElementSpace &fes)
 
virtual void AssemblePABoundaryFaces (const FiniteElementSpace &fes)
 
virtual void AddMultTransposePA (const Vector &x, Vector &y) const
 Method for partially assembled transposed action. More...
 
virtual void AddMultPA (const Vector &x, Vector &y) const
 Method for partially assembled action. 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 AssembleEA (const FiniteElementSpace &fes, Vector &emat, const bool add)
 Method defining element assembly. More...
 
virtual void AssembleEAInteriorFaces (const FiniteElementSpace &fes, Vector &ea_data_int, Vector &ea_data_ext, const bool add)
 
virtual void AssembleEABoundaryFaces (const FiniteElementSpace &fes, Vector &ea_data_bdr, const bool add)
 
virtual ~SumIntegrator ()
 
- Public Member Functions inherited from mfem::BilinearFormIntegrator
virtual void AssemblePA (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes)
 
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 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)
 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 ()
 
- Public Member Functions inherited from mfem::NonlinearFormIntegrator
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::Operator & GetCeedOp ()
 
virtual ~NonlinearFormIntegrator ()
 

Additional Inherited Members

- 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 Attributes inherited from mfem::NonlinearFormIntegrator
const IntegrationRuleIntRule
 
ceed::Operator * ceedOp
 
MemoryType pa_mt = MemoryType::DEFAULT
 

Detailed Description

Integrator defining a sum of multiple Integrators.

Definition at line 363 of file bilininteg.hpp.

Constructor & Destructor Documentation

mfem::SumIntegrator::SumIntegrator ( int  own_integs = 1)
inline

Definition at line 371 of file bilininteg.hpp.

mfem::SumIntegrator::~SumIntegrator ( )
virtual

Definition at line 411 of file bilininteg.cpp.

Member Function Documentation

void mfem::SumIntegrator::AddIntegrator ( BilinearFormIntegrator integ)
inline

Definition at line 375 of file bilininteg.hpp.

void mfem::SumIntegrator::AddMultMF ( const Vector x,
Vector y 
) const
virtual

Perform the action of integrator on the input x and add the result to the output y. Both x and y are E-vectors, i.e. they represent the element-wise discontinuous version of the FE space.

This method can be called only after the method AssembleMF() has been called.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 357 of file bilininteg.cpp.

void mfem::SumIntegrator::AddMultPA ( const Vector x,
Vector y 
) const
virtual

Method for partially assembled action.

Perform the action of integrator on the input x and add the result to the output y. Both x and y are E-vectors, i.e. they represent the element-wise discontinuous version of the FE space.

This method can be called only after the method AssemblePA() has been called.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 333 of file bilininteg.cpp.

void mfem::SumIntegrator::AddMultTransposeMF ( const Vector x,
Vector y 
) const
virtual

Perform the transpose action of integrator on the input x and add the result to the output y. Both x and y are E-vectors, i.e. they represent the element-wise discontinuous version of the FE space.

This method can be called only after the method AssemblePA() has been called.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 365 of file bilininteg.cpp.

void mfem::SumIntegrator::AddMultTransposePA ( const Vector x,
Vector y 
) const
virtual

Method for partially assembled transposed action.

Perform the transpose action of integrator on the input x and add the result to the output y. Both x and y are E-vectors, i.e. they represent the element-wise discontinuous version of the FE space.

This method can be called only after the method AssemblePA() has been called.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 341 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleDiagonalMF ( Vector diag)
virtual

Assemble diagonal and add it to Vector diag.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 373 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleDiagonalPA ( Vector diag)
virtual

Assemble diagonal and add it to Vector diag.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 309 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleEA ( const FiniteElementSpace fes,
Vector emat,
const bool  add 
)
virtual

Method defining element assembly.

The result of the element assembly is added to the emat Vector if add is true. Otherwise, if add is false, we set emat.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 381 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleEABoundaryFaces ( const FiniteElementSpace fes,
Vector ea_data_bdr,
const bool  add 
)
virtual

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 401 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleEAInteriorFaces ( const FiniteElementSpace fes,
Vector ea_data_int,
Vector ea_data_ext,
const bool  add 
)
virtual

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 390 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleElementMatrix ( const FiniteElement el,
ElementTransformation Trans,
DenseMatrix elmat 
)
virtual

Given a particular Finite Element computes the element matrix elmat.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 245 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleElementMatrix2 ( const FiniteElement trial_fe,
const FiniteElement test_fe,
ElementTransformation Trans,
DenseMatrix elmat 
)
virtual

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 258 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleFaceMatrix ( const FiniteElement el1,
const FiniteElement el2,
FaceElementTransformations Trans,
DenseMatrix elmat 
)
virtual

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 272 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleFaceMatrix ( const FiniteElement trial_face_fe,
const FiniteElement test_fe1,
const FiniteElement test_fe2,
FaceElementTransformations Trans,
DenseMatrix elmat 
)
virtual

Abstract method used for assembling TraceFaceIntegrators in a MixedBilinearForm.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 286 of file bilininteg.cpp.

void mfem::SumIntegrator::AssembleMF ( const FiniteElementSpace fes)
virtual

Method defining matrix-free assembly.

Used with BilinearFormIntegrators that have different spaces.The result of fully matrix-free assembly is stored internally so that it can be used later in the methods AddMultMF() and AddMultTransposeMF().

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 349 of file bilininteg.cpp.

void mfem::SumIntegrator::AssemblePA ( const FiniteElementSpace fes)
virtual

Method defining partial assembly.

The result of the partial assembly is stored internally so that it can be used later in the methods AddMultPA() and AddMultTransposePA().

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 301 of file bilininteg.cpp.

void mfem::SumIntegrator::AssemblePABoundaryFaces ( const FiniteElementSpace fes)
virtual

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 325 of file bilininteg.cpp.

void mfem::SumIntegrator::AssemblePAInteriorFaces ( const FiniteElementSpace fes)
virtual

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 317 of file bilininteg.cpp.

void mfem::SumIntegrator::SetIntRule ( const IntegrationRule ir)
virtual

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

Reimplemented from mfem::NonlinearFormIntegrator.

Definition at line 236 of file bilininteg.cpp.


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