MFEM
v4.3.0
Finite element discretization library
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Integrator defining a sum of multiple Integrators. More...
#include <bilininteg.hpp>
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 IntegrationRule * | GetIntegrationRule () 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 IntegrationRule * | IntRule |
ceed::Operator * | ceedOp |
MemoryType | pa_mt = MemoryType::DEFAULT |
Integrator defining a sum of multiple Integrators.
Definition at line 363 of file bilininteg.hpp.
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Definition at line 371 of file bilininteg.hpp.
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Definition at line 411 of file bilininteg.cpp.
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Definition at line 375 of file bilininteg.hpp.
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.
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.
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.
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.
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Assemble diagonal and add it to Vector diag.
Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 373 of file bilininteg.cpp.
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Assemble diagonal and add it to Vector diag.
Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 309 of file bilininteg.cpp.
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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.
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Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 401 of file bilininteg.cpp.
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Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 390 of file bilininteg.cpp.
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Given a particular Finite Element computes the element matrix elmat.
Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 245 of file bilininteg.cpp.
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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.
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Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 272 of file bilininteg.cpp.
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Abstract method used for assembling TraceFaceIntegrators in a MixedBilinearForm.
Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 286 of file bilininteg.cpp.
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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.
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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.
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Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 325 of file bilininteg.cpp.
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Reimplemented from mfem::BilinearFormIntegrator.
Definition at line 317 of file bilininteg.cpp.
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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.