MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM > Class Template Reference

#include <MassMatrixAssembler.hpp>

Inheritance diagram for MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >:

Collaboration diagram for MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >:

Public Member Functions
c_matrix< double, 1 *(ELEMENT_DIM+1), 1 *(ELEMENT_DIM+1)>	ComputeMatrixTerm (c_vector< double, ELEMENT_DIM+1 > &rPhi, c_matrix< double, SPACE_DIM, ELEMENT_DIM+1 > &rGradPhi, ChastePoint< SPACE_DIM > &rX, c_vector< double, 1 > &rU, c_matrix< double, 1, SPACE_DIM > &rGradU, Element< ELEMENT_DIM, SPACE_DIM > *pElement)
	MassMatrixAssembler (AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > *pMesh, bool useMassLumping=false, double scaleFactor=1.0)
Public Member Functions inherited from AbstractFeVolumeIntegralAssembler< ELEMENT_DIM, SPACE_DIM, 1, false, true, NORMAL >
	AbstractFeVolumeIntegralAssembler (AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > *pMesh)
virtual	~AbstractFeVolumeIntegralAssembler ()
Public Member Functions inherited from AbstractFeAssemblerCommon< ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM, CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX, INTERPOLATION_LEVEL >
	AbstractFeAssemblerCommon ()
void	SetCurrentSolution (Vec currentSolution)
virtual	~AbstractFeAssemblerCommon ()
Public Member Functions inherited from AbstractFeAssemblerInterface< CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX >
	AbstractFeAssemblerInterface ()
void	SetMatrixToAssemble (Mat &rMatToAssemble, bool zeroMatrixBeforeAssembly=true)
void	SetVectorToAssemble (Vec &rVecToAssemble, bool zeroVectorBeforeAssembly)
void	Assemble ()
void	AssembleMatrix ()
void	AssembleVector ()
virtual	~AbstractFeAssemblerInterface ()

Private Attributes
double	mScaleFactor
bool	mUseMassLumping

Additional Inherited Members
Protected Types inherited from AbstractFeVolumeIntegralAssembler< ELEMENT_DIM, SPACE_DIM, 1, false, true, NORMAL >
typedef LinearBasisFunction < ELEMENT_DIM >	BasisFunction
Protected Member Functions inherited from AbstractFeVolumeIntegralAssembler< ELEMENT_DIM, SPACE_DIM, 1, false, true, NORMAL >
void	ComputeTransformedBasisFunctionDerivatives (const ChastePoint< ELEMENT_DIM > &rPoint, const c_matrix< double, ELEMENT_DIM, SPACE_DIM > &rInverseJacobian, c_matrix< double, SPACE_DIM, ELEMENT_DIM+1 > &rReturnValue)
void	DoAssemble ()
virtual c_matrix< double, PROBLEM_DIM *(ELEMENT_DIM+1), PROBLEM_DIM *(ELEMENT_DIM+1)>	ComputeMatrixTerm (c_vector< double, ELEMENT_DIM+1 > &rPhi, c_matrix< double, SPACE_DIM, ELEMENT_DIM+1 > &rGradPhi, ChastePoint< SPACE_DIM > &rX, c_vector< double, PROBLEM_DIM > &rU, c_matrix< double, PROBLEM_DIM, SPACE_DIM > &rGradU, Element< ELEMENT_DIM, SPACE_DIM > *pElement)
virtual c_vector< double, PROBLEM_DIM *(ELEMENT_DIM+1)>	ComputeVectorTerm (c_vector< double, ELEMENT_DIM+1 > &rPhi, c_matrix< double, SPACE_DIM, ELEMENT_DIM+1 > &rGradPhi, ChastePoint< SPACE_DIM > &rX, c_vector< double, PROBLEM_DIM > &rU, c_matrix< double, PROBLEM_DIM, SPACE_DIM > &rGradU, Element< ELEMENT_DIM, SPACE_DIM > *pElement)
virtual void	AssembleOnElement (Element< ELEMENT_DIM, SPACE_DIM > &rElement, c_matrix< double, PROBLEM_DIM *(ELEMENT_DIM+1), PROBLEM_DIM *(ELEMENT_DIM+1) > &rAElem, c_vector< double, PROBLEM_DIM *(ELEMENT_DIM+1)> &rBElem)
virtual bool	ElementAssemblyCriterion (Element< ELEMENT_DIM, SPACE_DIM > &rElement)
Protected Member Functions inherited from AbstractFeAssemblerCommon< ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM, CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX, INTERPOLATION_LEVEL >
virtual double	GetCurrentSolutionOrGuessValue (unsigned nodeIndex, unsigned indexOfUnknown)
virtual void	ResetInterpolatedQuantities ()
virtual void	IncrementInterpolatedQuantities (double phiI, const Node< SPACE_DIM > *pNode)
virtual void	IncrementInterpolatedGradientQuantities (const c_matrix< double, SPACE_DIM, ELEMENT_DIM+1 > &rGradPhi, unsigned phiIndex, const Node< SPACE_DIM > *pNode)
Protected Attributes inherited from AbstractFeVolumeIntegralAssembler< ELEMENT_DIM, SPACE_DIM, 1, false, true, NORMAL >
AbstractTetrahedralMesh < ELEMENT_DIM, SPACE_DIM > *	mpMesh
GaussianQuadratureRule < ELEMENT_DIM > *	mpQuadRule
Protected Attributes inherited from AbstractFeAssemblerCommon< ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM, CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX, INTERPOLATION_LEVEL >
ReplicatableVector	mCurrentSolutionOrGuessReplicated
Protected Attributes inherited from AbstractFeAssemblerInterface< CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX >
Vec	mVectorToAssemble
Mat	mMatrixToAssemble
bool	mAssembleMatrix
bool	mAssembleVector
bool	mZeroMatrixBeforeAssembly
bool	mZeroVectorBeforeAssembly
PetscInt	mOwnershipRangeLo
PetscInt	mOwnershipRangeHi

Detailed Description

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >

Simple implementation of AbstractFeVolumeIntegralAssembler which provides mass matrices for a given mesh, multiplied by a scale factor if required. In other words, the matrix

M_{ij} = k integral_{domain} phi_i(x) phi_j(x) dV

where phi_i is the i-th (linear) basis function and k the scale factor (constant throughout the mesh).

Definition at line 51 of file MassMatrixAssembler.hpp.

Constructor & Destructor Documentation

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>

MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::MassMatrixAssembler ( AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > *  pMesh, bool  useMassLumping = false, double  scaleFactor = 1.0  )

inline

Constructor.

Parameters

pMesh	the mesh
scaleFactor	the factor with which the multiply the mass matrix. Defaults to 1.0
useMassLumping	whether to use mass matrix lumping or not

Definition at line 112 of file MassMatrixAssembler.hpp.

Member Function Documentation

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>

c_matrix<double,1*(ELEMENT_DIM+1),1*(ELEMENT_DIM+1)> MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::ComputeMatrixTerm ( c_vector< double, ELEMENT_DIM+1 > &  rPhi, c_matrix< double, SPACE_DIM, ELEMENT_DIM+1 > &  rGradPhi, ChastePoint< SPACE_DIM > &  rX, c_vector< double, 1 > &  rU, c_matrix< double, 1, SPACE_DIM > &  rGradU, Element< ELEMENT_DIM, SPACE_DIM > *  pElement  )

inline

Implemented ComputeMatrixTerm(), defined in AbstractFeVolumeIntegralAssembler. See documentation in that class.

Parameters

rPhi	The basis functions, rPhi(i) = phi_i, i=1..numBases.
rGradPhi	Basis gradients, rGradPhi(i,j) = d(phi_j)/d(X_i).
rX	The point in space.
rU	The unknown as a vector, u(i) = u_i.
rGradU	The gradient of the unknown as a matrix, rGradU(i,j) = d(u_i)/d(X_j).
pElement	Pointer to the element.

Returns

computed stencil matrix

Definition at line 77 of file MassMatrixAssembler.hpp.

References MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::mScaleFactor, and MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::mUseMassLumping.

Member Data Documentation

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>

double MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::mScaleFactor

private

The scale factor.

Definition at line 57 of file MassMatrixAssembler.hpp.

Referenced by MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::ComputeMatrixTerm().

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>

bool MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::mUseMassLumping

private

Whether to use mass lumping or not.

Definition at line 60 of file MassMatrixAssembler.hpp.

Referenced by MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM >::ComputeMatrixTerm().

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

• pde/src/solver/MassMatrixAssembler.hpp