TSystemNSE2D Class Reference

stores the information of a 2D NSE system matrix More...

#include <SystemNSE2D.h>

Inheritance diagram for TSystemNSE2D:

Collaboration diagram for TSystemNSE2D:

Public Member Functions
	TSystemNSE2D (TFESpace2D *velocity_fespace, TFESpace2D *presssure_fespace, TFEVectFunct2D *Velocity, TFEFunction2D *p, double *sol, double *rhs, int disctype, int nsetype, int solver#ifdef __PRIVATE__, TFESpace2D *Projection_space, TFESpace2D *Stress_FeSpace, TFESpace2D *Deformation_FeSpace#endif)
	source file for TSystemNSE2D More...
	~TSystemNSE2D ()
void	Init (CoeffFct2D *lincoeffs, BoundCondFunct2D *BoundCond, BoundValueFunct2D *U1BoundValue, BoundValueFunct2D *U2BoundValue, TAuxParam2D *aux, TAuxParam2D *auxerror)
void	Assemble (double *sol, double *rhs)
void	AssembleNonLinear (double *sol, double *rhs)
void	AssembleRhsOnly (double *sol, double *rhs)
void	GetResidual (double *sol, double *rhs, double *res)
void	Solve (double *sol, double *rhs)
void	MeasureErrors (DoubleFunct2D *ExactU1, DoubleFunct2D *ExactU2, DoubleFunct2D *ExactP, double *u_error, double *p_error)

Protected Attributes
int	N_U
int	N_P
int	N_Active
int	N_DirichletDof
double *	Sol
double *	Rhs
double *	RHSs [3]
TFESpace2D *	FeSpaces [5]
TFEFunction2D *	FeFct [5]
int	Disctype
int	NSEType
CoeffFct2D *	LinCoeffs [1]
TAuxParam2D *	NSEaux
TAuxParam2D *	NSEaux_error
DefectProc *	Defect
int	Solver
int	N_Matrices
TSquareStructure2D *	sqstructureA
TStructure2D *	structureB
TStructure2D *	structureBT
TSquareMatrix2D *	SqmatrixA11
TSquareMatrix2D *	SqmatrixA12
TSquareMatrix2D *	SqmatrixA21
TSquareMatrix2D *	SqmatrixA22
TSquareMatrix2D *	SQMATRICES [9]
TSquareMatrix **	sqmatrices
TMatrix2D *	MatrixB1
TMatrix2D *	MatrixB2
TMatrix2D *	MatrixB1T
TMatrix2D *	MatrixB2T
TMatrix2D *	MATRICES [8]
TMatrix **	matrices
BoundCondFunct2D *	BoundaryConditions [2]
BoundValueFunct2D *	BoundaryValues [2]
TDiscreteForm2D *	DiscreteFormARhs
TDiscreteForm2D *	DiscreteFormNL
TDiscreteForm2D *	DiscreteFormRhs
TAssembleMat2D *	AMatRhsAssemble
TAssembleMat2D *	AMatAssembleNonLinear
TSquareStructure2D *	sqstructureL
TStructure2D *	structure_G
TStructure2D *	structure_tilde_G
TSquareMatrix2D *	MatricesL
TMatrix2D *	Matrices_tilde_G11
TMatrix2D *	Matrices_tilde_G22
TMatrix2D *	Matrices_G11
TMatrix2D *	Matrices_G22

Detailed Description

stores the information of a 2D NSE system matrix

class for 2D NSE system matrix

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Author

Sashikumaar Ganesan,

Date

23.08.14 Added methods (Sashi, 23.08.14)

Constructor & Destructor Documentation

TSystemNSE2D::TSystemNSE2D	(	TFESpace2D *	velocity_fespace,
		TFESpace2D *	presssure_fespace,
		TFEVectFunct2D *	Velocity,
		TFEFunction2D *	p,
		double *	sol,
		double *	rhs,
		int	disctype,
		int	nsetype,
		int solver#ifdef	__PRIVATE__,
		TFESpace2D *	Projection_space,
		TFESpace2D *	Stress_FeSpace,
		TFESpace2D *Deformation_FeSpace#	endif
	)

source file for TSystemNSE2D

constructor

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Author

Sashikumaar Ganesan,

Date

23.08.14 06.02.16 : Updated vms and stress fespaces

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TSystemNSE2D::~TSystemNSE2D

(

)

destrcutor

Member Function Documentation

void TSystemNSE2D::Assemble	(	double *	sol,
		double *	rhs
	)

assemble the system matrix

initialize matrices

assemble

apply local projection stabilization method

upwind

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void TSystemNSE2D::AssembleNonLinear	(	double *	sol,
		double *	rhs
	)

assemble the nonlinear part of the NSE system

apply local projection stabilization method

upwind

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void TSystemNSE2D::AssembleRhsOnly	(	double *	sol,
		double *	rhs
	)

assemble only the rhs when coupled with CST

void TSystemNSE2D::GetResidual	(	double *	sol,
		double *	rhs,
		double *	res
	)

get the resudual of the NSE system

void TSystemNSE2D::Init	(	CoeffFct2D *	lincoeffs,
		BoundCondFunct2D *	BoundCond,
		BoundValueFunct2D *	U1BoundValue,
		BoundValueFunct2D *	U2BoundValue,
		TAuxParam2D *	aux,
		TAuxParam2D *	auxerror
	)

methods Initilize the discrete forms and the matrices

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void TSystemNSE2D::MeasureErrors	(	DoubleFunct2D *	ExactU1,
		DoubleFunct2D *	ExactU2,
		DoubleFunct2D *	ExactP,
		double *	u_error,
		double *	p_error
	)

measure the error in the NSE

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void TSystemNSE2D::Solve	(	double *	sol,
		double *	rhs
	)

solve the system matrix

Member Data Documentation

TAssembleMat2D* TSystemNSE2D::AMatRhsAssemble

protected

Assembling

BoundCondFunct2D* TSystemNSE2D::BoundaryConditions[2]

protected

Boundary conditon

BoundValueFunct2D* TSystemNSE2D::BoundaryValues[2]

protected

Boundary values

DefectProc* TSystemNSE2D::Defect

protected

method for resudual calculation

TDiscreteForm2D* TSystemNSE2D::DiscreteFormARhs

protected

Discrete form for the equation

int TSystemNSE2D::Disctype

protected

Discretization type

TFEFunction2D* TSystemNSE2D::FeFct[5]

protected

Fe functions of NSE

TFESpace2D* TSystemNSE2D::FeSpaces[5]

protected

velocity fespace

CoeffFct2D* TSystemNSE2D::LinCoeffs[1]

protected

Bilinear coefficient

TMatrix2D* TSystemNSE2D::Matrices_tilde_G11

protected

G - mat for VMS

TSquareMatrix2D* TSystemNSE2D::MatricesL

protected

L - mat for VMS

TMatrix2D* TSystemNSE2D::MatrixB1

protected

B is the system mat for NSE pressure component

int TSystemNSE2D::N_Matrices

protected

number of matrices in the system matrix

int TSystemNSE2D::N_U

protected

DOFs of velocity and pressure spaces

TAuxParam2D* TSystemNSE2D::NSEaux

protected

NSEaux is used to pass additional fe functions (eg. mesh velocity) that is nedded for assembling

int TSystemNSE2D::NSEType

protected

NSE type

double* TSystemNSE2D::Sol

protected

sol, rhs arrays

int TSystemNSE2D::Solver

protected

Solver type

TSquareMatrix2D* TSystemNSE2D::SqmatrixA11

protected

A is the stiffness/system mat for NSE velocity component

TSquareStructure2D* TSystemNSE2D::sqstructureA

protected

sqstructureA of the system matrix

TSquareStructure2D* TSystemNSE2D::sqstructureL

protected

these private routines are not available for public sqstructureG of the vms projection matrix

TStructure2D* TSystemNSE2D::structure_G

protected

structure of the vms projection matrix

TStructure2D* TSystemNSE2D::structureB

protected

structure of the system matrix

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

• include/System/SystemNSE2D.h
• src/System/SystemNSE2D.C