MFEM  v3.4
Finite element discretization library
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mfem::DGDirichletLFIntegrator Class Reference

#include <lininteg.hpp>

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

 DGDirichletLFIntegrator (Coefficient &u, const double s, const double k)
 
 DGDirichletLFIntegrator (Coefficient &u, Coefficient &q, const double s, const double k)
 
 DGDirichletLFIntegrator (Coefficient &u, MatrixCoefficient &q, const double s, const double k)
 
virtual void AssembleRHSElementVect (const FiniteElement &el, ElementTransformation &Tr, Vector &elvect)
 
virtual void AssembleRHSElementVect (const FiniteElement &el, FaceElementTransformations &Tr, Vector &elvect)
 
- Public Member Functions inherited from mfem::LinearFormIntegrator
void SetIntRule (const IntegrationRule *ir)
 
const IntegrationRuleGetIntRule ()
 
virtual ~LinearFormIntegrator ()
 

Protected Attributes

CoefficientuD
 
CoefficientQ
 
MatrixCoefficientMQ
 
double sigma
 
double kappa
 
Vector shape
 
Vector dshape_dn
 
Vector nor
 
Vector nh
 
Vector ni
 
DenseMatrix dshape
 
DenseMatrix mq
 
DenseMatrix adjJ
 
- Protected Attributes inherited from mfem::LinearFormIntegrator
const IntegrationRuleIntRule
 

Additional Inherited Members

- Protected Member Functions inherited from mfem::LinearFormIntegrator
 LinearFormIntegrator (const IntegrationRule *ir=NULL)
 

Detailed Description

Boundary linear integrator for imposing non-zero Dirichlet boundary conditions, to be used in conjunction with DGDiffusionIntegrator. Specifically, given the Dirichlet data u_D, the linear form assembles the following integrals on the boundary:

sigma < u_D, (Q grad(v)).n > + kappa < {h^{-1} Q} u_D, v >,

where Q is a scalar or matrix diffusion coefficient and v is the test function. The parameters sigma and kappa should be the same as the ones used in the DGDiffusionIntegrator.

Definition at line 348 of file lininteg.hpp.

Constructor & Destructor Documentation

mfem::DGDirichletLFIntegrator::DGDirichletLFIntegrator ( Coefficient u,
const double  s,
const double  k 
)
inline

Definition at line 360 of file lininteg.hpp.

mfem::DGDirichletLFIntegrator::DGDirichletLFIntegrator ( Coefficient u,
Coefficient q,
const double  s,
const double  k 
)
inline

Definition at line 362 of file lininteg.hpp.

mfem::DGDirichletLFIntegrator::DGDirichletLFIntegrator ( Coefficient u,
MatrixCoefficient q,
const double  s,
const double  k 
)
inline

Definition at line 365 of file lininteg.hpp.

Member Function Documentation

void mfem::DGDirichletLFIntegrator::AssembleRHSElementVect ( const FiniteElement el,
ElementTransformation Tr,
Vector elvect 
)
virtual

Given a particular Finite Element and a transformation (Tr) computes the element vector, elvect.

Implements mfem::LinearFormIntegrator.

Definition at line 515 of file lininteg.cpp.

void mfem::DGDirichletLFIntegrator::AssembleRHSElementVect ( const FiniteElement el,
FaceElementTransformations Tr,
Vector elvect 
)
virtual

Reimplemented from mfem::LinearFormIntegrator.

Definition at line 521 of file lininteg.cpp.

Member Data Documentation

DenseMatrix mfem::DGDirichletLFIntegrator::adjJ
protected

Definition at line 357 of file lininteg.hpp.

DenseMatrix mfem::DGDirichletLFIntegrator::dshape
protected

Definition at line 357 of file lininteg.hpp.

Vector mfem::DGDirichletLFIntegrator::dshape_dn
protected

Definition at line 356 of file lininteg.hpp.

double mfem::DGDirichletLFIntegrator::kappa
protected

Definition at line 353 of file lininteg.hpp.

MatrixCoefficient* mfem::DGDirichletLFIntegrator::MQ
protected

Definition at line 352 of file lininteg.hpp.

DenseMatrix mfem::DGDirichletLFIntegrator::mq
protected

Definition at line 357 of file lininteg.hpp.

Vector mfem::DGDirichletLFIntegrator::nh
protected

Definition at line 356 of file lininteg.hpp.

Vector mfem::DGDirichletLFIntegrator::ni
protected

Definition at line 356 of file lininteg.hpp.

Vector mfem::DGDirichletLFIntegrator::nor
protected

Definition at line 356 of file lininteg.hpp.

Coefficient * mfem::DGDirichletLFIntegrator::Q
protected

Definition at line 351 of file lininteg.hpp.

Vector mfem::DGDirichletLFIntegrator::shape
protected

Definition at line 356 of file lininteg.hpp.

double mfem::DGDirichletLFIntegrator::sigma
protected

Definition at line 353 of file lininteg.hpp.

Coefficient* mfem::DGDirichletLFIntegrator::uD
protected

Definition at line 351 of file lininteg.hpp.


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