TMultiGrid2D Class Reference

Collaboration diagram for TMultiGrid2D:

Public Member Functions
	TMultiGrid2D (int n_problems, int n_parameters, double *parameters)
int	GetN_Levels ()
void	AddLevel (TMGLevel2D *MGLevel)
void	ReplaceLevel (int i, TMGLevel2D *MGLevel)
TMGLevel2D *	GetLevel (int i)
void	RestrictToAllGrids ()
void	SetDirichletNodes (int i)
void	Cycle (int i, double &res)
void	SetRecursion (int levels)

Protected Attributes
int	N_Levels
int	N_Problems
int	N_Parameters
double *	Parameters
TMGLevel2D *	MultiGridLevels [MAXN_LEVELS]
TFESpace2D *	FESpaces [MAXN_LEVELS]
double **	FunctionVectors [MAXN_LEVELS]
double **	RhsVectors [MAXN_LEVELS]
double **	AuxVectors [MAXN_LEVELS]
int	mg_recursions [MAXN_LEVELS]

Constructor & Destructor Documentation

TMultiGrid2D::TMultiGrid2D	(	int	n_problems,
		int	n_parameters,
		double *	parameters
	)

constructor

Member Function Documentation

void TMultiGrid2D::AddLevel

(

TMGLevel2D *

MGLevel

)

add new level as finest

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void TMultiGrid2D::Cycle	(	int	i,
		double &	res
	)

cycle on level i

Copy Values (own+Hallo) to Own FeFunct sol Copy Own FeFunct sol To Values (own+Hallo) defect restriction from level+1 to level one cycle on level i

first restrict defect to coarse sol, then copy coarse own sol to all (hallo) coarse rhs

first restrict to coarse sol, then copy coarse sol to all (hallo) coarse rhs

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TMGLevel2D* TMultiGrid2D::GetLevel ( int  i )

inline

return i-th level as TMGLevel object

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int TMultiGrid2D::GetN_Levels ( )

inline

return number of multi grid levels

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void TMultiGrid2D::ReplaceLevel	(	int	i,
		TMGLevel2D *	MGLevel
	)

add new level as finest

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void TMultiGrid2D::RestrictToAllGrids

(

)

restrict u1, u2 from finest grid to all coarser grids

restrict solution from finest grid to all coarser grids

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void TMultiGrid2D::SetDirichletNodes

(

int

i

)

set correct values for Dirichlet nodes on grid i

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void TMultiGrid2D::SetRecursion

(

int

levels

)

set recursion for multigrid

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Member Data Documentation

double** TMultiGrid2D::AuxVectors[MAXN_LEVELS]

protected

auxiliary vectors

TFESpace2D* TMultiGrid2D::FESpaces[MAXN_LEVELS]

protected

array of FE spaces

double** TMultiGrid2D::FunctionVectors[MAXN_LEVELS]

protected

array of function vectors on each level

int TMultiGrid2D::mg_recursions[MAXN_LEVELS]

protected

number of recursions

TMGLevel2D* TMultiGrid2D::MultiGridLevels[MAXN_LEVELS]

protected

array of multi grid levels

int TMultiGrid2D::N_Levels

protected

number of levels

int TMultiGrid2D::N_Parameters

protected

number of parameters

int TMultiGrid2D::N_Problems

protected

number of problems

double* TMultiGrid2D::Parameters

protected

array of double parameters

double** TMultiGrid2D::RhsVectors[MAXN_LEVELS]

protected

right-hand side vectors

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

• include/FE/MultiGrid2D.h
• src/FE/MultiGrid2D.C