TSystemTCD2D Class Reference

stores the information of a timedependent part of a 2D scalar system matrix More...

#include <SystemTCD2D.h>

Inheritance diagram for TSystemTCD2D:

Collaboration diagram for TSystemTCD2D:

Public Member Functions
	TSystemTCD2D (TFESpace2D *fespace, int disctype, int solver)
	source file for TSystemTCD2D More...
	~TSystemTCD2D ()
void	Init (CoeffFct2D *BilinearCoeffs, BoundCondFunct2D *BoundCond, BoundValueFunct2D *BoundValue)
TSquareMatrix2D *	GetAMatrix ()
void	AssembleMRhs (TAuxParam2D *aux, double *sol, double *rhs)
void	AssembleARhs (TAuxParam2D *aux, double *sol, double *rhs)
void	AssembleSystMat (double *oldrhs, double *oldsol, double *rhs, double *sol)
void	RestoreMassMat ()
void	Solve (double *sol, double *rhs)
double	GetResidual (double *sol)
Public Member Functions inherited from TSystemCD2D
	TSystemCD2D (TFESpace2D *fespace, int disctype, int solver)
	source file for TSystemCD2D More...
	~TSystemCD2D ()
void	Init (CoeffFct2D *BilinearCoeffs, BoundCondFunct2D *BoundCond, BoundValueFunct2D *BoundValue)
void	Assemble (TAuxParam2D *aux, double *sol, double *rhs)
void	Solve (double *sol, double *rhs)

Protected Attributes
TSquareMatrix2D *	sqmatrixM
double *	B
double *	defect
double	gamma
TSquareMatrix2D *	sqmatrixK
TSquareMatrix2D *	sqmatrixS
TDiscreteForm2D *	DiscreteFormMRhs
bool	SystMatAssembled
TCDSystemTimeDG *	TimeDG
Protected Attributes inherited from TSystemCD2D
TFESpace2D *	FeSpace
int	N_DOF
int	N_Active
int	Disctype
int	SOLVER
int	N_Matrices
TSquareStructure2D *	sqstructure
TSquareMatrix2D *	sqmatrixA
TSquareMatrix2D *	SQMATRICES [3]
TSquareMatrix **	sqmatrices
BoundCondFunct2D *	BoundaryConditions [1]
BoundValueFunct2D *	BoundaryValues [1]
TDiscreteForm2D *	DiscreteFormARhs

Detailed Description

stores the information of a timedependent part of a 2D scalar system matrix

class for 2D scalar system matrix

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Author

Sashikumaar Ganesan

Date

08.08.14

Constructor & Destructor Documentation

TSystemTCD2D::TSystemTCD2D	(	TFESpace2D *	fespace,
		int	disctype,
		int	solver
	)

source file for TSystemTCD2D

constructor

---

Author

Sashikumaar Ganesan

Date

08.08.14

need it for solver

M mass matrix

working rhs, used in AssembleSystMat()

time-consistent part of the SUPG matrix

dG time steppings

TSystemTCD2D::~TSystemTCD2D

(

)

destrcutor

Member Function Documentation

void TSystemTCD2D::AssembleARhs	(	TAuxParam2D *	aux,
		double *	sol,
		double *	rhs
	)

assemble the stifness mat and rhs

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void TSystemTCD2D::AssembleMRhs	(	TAuxParam2D *	aux,
		double *	sol,
		double *	rhs
	)

assemble the Mass mat and rhs

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void TSystemTCD2D::AssembleSystMat	(	double *	oldrhs,
		double *	oldsol,
		double *	rhs,
		double *	sol
	)

M = M + (tau*TDatabase::TimeDB->THETA1)*A B = (tau*TDatabase::TimeDB->THETA1)*rhs +(tau*TDatabase::TimeDB->THETA2)*oldrhs + [ M - (tau*TDatabase::TimeDB->THETA2)A]*oldsol

dG time steppings

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TSquareMatrix2D* TSystemTCD2D::GetAMatrix ( )

inline

return the stiffness matric

double TSystemTCD2D::GetResidual

(

double *

sol

)

return the residual of the system for the given sol

void TSystemTCD2D::Init	(	CoeffFct2D *	BilinearCoeffs,
		BoundCondFunct2D *	BoundCond,
		BoundValueFunct2D *	BoundValue
	)

methods

dG time steppings

void TSystemTCD2D::RestoreMassMat

(

)

restoring the mass matrix

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void TSystemTCD2D::Solve	(	double *	sol,
		double *	rhs
	)

solve the system matrix

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Member Data Documentation

double* TSystemTCD2D::B

protected

working rhs, used in AssembleSystMat()

double* TSystemTCD2D::defect

protected

to store defect

TDiscreteForm2D* TSystemTCD2D::DiscreteFormMRhs

protected

Discrete form of the M and rhs matrics

double TSystemTCD2D::gamma

protected

factor that multplied with Mat A in working rhs

TSquareMatrix2D* TSystemTCD2D::sqmatrixK

protected

Stiffness part of the SUPG matrix

TSquareMatrix2D* TSystemTCD2D::sqmatrixM

protected

M mass matrix

TSquareMatrix2D* TSystemTCD2D::sqmatrixS

protected

time-consistent part of the SUPG matrix

bool TSystemTCD2D::SystMatAssembled

protected

Systmat assemble indicator

TCDSystemTimeDG* TSystemTCD2D::TimeDG

protected

dG time steppings

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

• include/System/SystemTCD2D.h
• src/System/SystemTCD2D.C