fem.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "constrain.h"
#include "load.h"
#include "elm.h"
#include "node.h"
#include "alg.h"
#include "xgplib.h"
#include "fem.h"
#include "csr.h"
#include "pfs.h"

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Defines
#define	maxcor   30
#define	maxiter   5000
#define	cgtol   1.0e-10
#define	ngr   10e20
Functions
static void	ElmKpr (double *, int *, double *)
static void	ElmKp (double *, double *, int *, int *, double *)
static void	GCSolver (double *, double *, int *, int *, double *)
static void	SearchDirection (int i, int k, double *vector, double **w, double **v, int nna, int nnu, int *ia, int *ja, double *avector)
void	BuildAVector (int *ia, int *ja, double *avector)
void	BFGS (double dtime, double *F, double *U, double *V, int *iteration, double *error, double error0, int loadstep, int nna, int nnu, int *ia, int *ja, double *avector)
void	NRM (double dtime, double *F, double *U, double *V, int *iteration, double *error, double error0, int loadstep, int nna, int nnu, int *ia, int *ja, double *avector)
void	LINEAR (double dtime, double *F, double *U, double *V, int *iteration, double *error, double error0, int loadstep, int nna, int nnu, int *ia, int *ja, double *avector)
void	InternalForces (double dtime, double *F, double *U, double *V)
int	DisplacementVelocity (int iteration, double alpha, double dtime, double *FVector, double *VVector, double *UVector, double *MVector)
void	MassVector (double *MVector)
int	DoRezone (int step, double *FVector)
void	PercolationForces (double *F)

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Define Documentation

#define cgtol   1.0e-10

Definition at line 130 of file fem.c.

Referenced by GCSolver().

#define maxcor   30

Definition at line 122 of file fem.c.

Referenced by BFGS().

#define maxiter   5000

Definition at line 126 of file fem.c.

Referenced by GCSolver().

#define ngr   10e20

Definition at line 134 of file fem.c.

Referenced by BuildAVector(), and GCSolver().

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Function Documentation

void BFGS	(	double	dtime,
		double *	F,
		double *	U,
		double *	V,
		int *	iteration,
		double *	error,
		double	error0,
		int	loadstep,
		int	nna,
		int	nnu,
		int *	ia,
		int *	ja,
		double *	avector
	)

Definition at line 444 of file fem.c.

Referenced by HYBRIDSolver(), and IMPBFGSSolver().

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void BuildAVector	(	int *	ia,
		int *	ja,
		double *	avector
	)

Definition at line 395 of file fem.c.

Referenced by HYBRIDSolver(), IMPBFGSSolver(), IMPLINEARSolver(), and IMPNRMSolver().

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int DisplacementVelocity	(	int	iteration,
		double	alpha,
		double	dtime,
		double *	FVector,
		double *	VVector,
		double *	UVector,
		double *	MVector
	)

Definition at line 816 of file fem.c.

Referenced by DRSolver(), and HYBRIDSolver().

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int DoRezone	(	int	step,
		double *	FVector
	)

Definition at line 1066 of file fem.c.

Referenced by RezoneAnalysis().

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static void ElmKp	(	double *	d,
		double *	p,
		int *	ia,
		int *	ja,
		double *	avector
	)			[static]

Definition at line 259 of file fem.c.

References NDof, and NumNodes.

Referenced by GCSolver().

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static void ElmKpr	(	double *	Kp,
		int *	ia,
		double *	avector
	)			[static]

Definition at line 247 of file fem.c.

References NDof, and NumNodes.

Referenced by GCSolver().

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static void GCSolver	(	double *	R,
		double *	u,
		int *	ia,
		int *	ja,
		double *	avector
	)			[static]

Definition at line 276 of file fem.c.

References cgtol, DISPLACEMENT, ElmKp(), ElmKpr(), maxiter, NDof, ngr, NodeVector, and NumNodes.

Referenced by BFGS(), LINEAR(), NRM(), and SearchDirection().

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void InternalForces	(	double	dtime,
		double *	F,
		double *	U,
		double *	V
	)

Definition at line 762 of file fem.c.

Referenced by BFGS(), DRSolver(), HYBRIDSolver(), InitialError(), LINEAR(), and NRM().

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void LINEAR	(	double	dtime,
		double *	F,
		double *	U,
		double *	V,
		int *	iteration,
		double *	error,
		double	error0,
		int	loadstep,
		int	nna,
		int	nnu,
		int *	ia,
		int *	ja,
		double *	avector
	)

Definition at line 681 of file fem.c.

Referenced by IMPLINEARSolver().

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void MassVector

(

double *

MVector

)

Definition at line 1033 of file fem.c.

Referenced by DRSolver(), HYBRIDSolver(), IMPBFGSSolver(), IMPLINEARSolver(), and IMPNRMSolver().

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void NRM	(	double	dtime,
		double *	F,
		double *	U,
		double *	V,
		int *	iteration,
		double *	error,
		double	error0,
		int	loadstep,
		int	nna,
		int	nnu,
		int *	ia,
		int *	ja,
		double *	avector
	)

Definition at line 583 of file fem.c.

Referenced by IMPNRMSolver().

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void PercolationForces

(

double *

F

)

Definition at line 1116 of file fem.c.

Referenced by DRSolver(), and HYBRIDSolver().

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static void SearchDirection	(	int	i,
		int	k,
		double *	vector,
		double **	w,
		double **	v,
		int	nna,
		int	nnu,
		int *	ia,
		int *	ja,
		double *	avector
	)			[static]

Definition at line 156 of file fem.c.

References Config, GCSolver(), SamgSolver(), and sConfig::solver.

Referenced by BFGS().

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