MassMatrixAssembler< ELEMENT_DIM, SPACE_DIM > Class Template Reference

#include <MassMatrixAssembler.hpp>

Inherits AbstractFeVolumeIntegralAssembler< ELEMENT_DIM, SPACE_DIM, 1, false, true, NORMAL >.

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)
Private Attributes
double	mScaleFactor
bool	mUseMassLumping

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 45 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 105 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.