mmg2d9.c File Reference

Lagrangian meshing. More...

#include "mmg2d.h"

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Macros
#define	_MMG2_DEGTOL   5.e-1

Functions
double	_MMG2_estavglen (MMG5_pMesh mesh)
static double	_MMG2_caltri_iso_3pt (double *a, double *b, double *c)
int	_MMG2_chkmovmesh (MMG5_pMesh mesh, MMG5_pSol disp, short t)
short	_MMG2_dikomv (MMG5_pMesh mesh, MMG5_pSol disp)
int	_MMG2_dispmesh (MMG5_pMesh mesh, MMG5_pSol disp, short t, int itdeg)
int	_MMG2_spllag (MMG5_pMesh mesh, MMG5_pSol disp, MMG5_pSol met, int itdeg, int *warn)
static int	_MMG2_coleltlag (MMG5_pMesh mesh, MMG5_pSol met, int itdeg)
int	_MMG2_swpmshlag (MMG5_pMesh mesh, MMG5_pSol met, double crit, int itdeg)
int	_MMG2D_saveDisp (MMG5_pMesh mesh, MMG5_pSol disp)
int	_MMG2_movtrilag (MMG5_pMesh mesh, MMG5_pSol met, int itdeg)
int	MMG2_mmg2d9 (MMG5_pMesh mesh, MMG5_pSol disp, MMG5_pSol met)

Detailed Description

Lagrangian meshing.

Velocity extension for Lagrangian meshing.

Author

Charles Dapogny (UPMC)

Cécile Dobrzynski (Bx INP/Inria/UBordeaux)

Pascal Frey (UPMC)

Algiane Froehly (Inria/UBordeaux)

Version

5

Copyright

GNU Lesser General Public License.

Todo:

Doxygen documentation

Author

Charles Dapogny (UPMC)

Cécile Dobrzynski (Bx INP/Inria/UBordeaux)

Pascal Frey (UPMC)

Algiane Froehly (Inria/UBordeaux)

Version

5

Copyright

GNU Lesser General Public License.

Todo:

Doxygen documentation

Macro Definition Documentation

_MMG2_DEGTOL

#define _MMG2_DEGTOL   5.e-1

Function Documentation

_MMG2_caltri_iso_3pt()

static double _MMG2_caltri_iso_3pt ( double *  a, double *  b, double *  c  )

inlinestatic

Compute quality of a triangle from the datum of its 3 vertices

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_MMG2_chkmovmesh()

int _MMG2_chkmovmesh	(	MMG5_pMesh	mesh,
		MMG5_pSol	disp,
		short	t
	)

Check if moving mesh with disp for a fraction t yields a valid mesh

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_MMG2_coleltlag()

static int _MMG2_coleltlag ( MMG5_pMesh  mesh, MMG5_pSol  met, int  itdeg  )

static

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
itdeg	degraded elements.

Returns

-1 if failed.

number of collapsed points.

Attempt to collapse small internal edges in the Lagrangian mode; only affects tetras with cc itdeg.

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_MMG2_dikomv()

short _MMG2_dikomv	(	MMG5_pMesh	mesh,
		MMG5_pSol	disp
	)

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_MMG2_dispmesh()

int _MMG2_dispmesh	(	MMG5_pMesh	mesh,
		MMG5_pSol	disp,
		short	t,
		int	itdeg
	)

Perform mesh motion along disp, for a fraction t, and the corresponding updates

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_MMG2_estavglen()

double _MMG2_estavglen

(

MMG5_pMesh

mesh

)

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_MMG2_movtrilag()

int _MMG2_movtrilag	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		int	itdeg
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
itdeg	degraded elements.

Returns

-1 if failed, number of moved points otherwise.

Analyze trias with cc = itdeg and move internal points so as to make mesh more uniform.

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_MMG2_spllag()

int _MMG2_spllag	(	MMG5_pMesh	mesh,
		MMG5_pSol	disp,
		MMG5_pSol	met,
		int	itdeg,
		int *	warn
	)

Parameters

mesh	pointer toward the mesh structure.
disp	pointer toward the displacement structure.
met	pointer toward the metric structure.
itdeg	degraded elements.
*warn	warn is set to 1 if not enough memory is available to complete mesh.

Returns

-1 if failed.

number of new points.

Split edges of length bigger than _MMG5_LOPTL, in the Lagrangian mode. Only affects triangles with cc itdeg

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_MMG2_swpmshlag()

int _MMG2_swpmshlag	(	MMG5_pMesh	mesh,
		MMG5_pSol	met,
		double	crit,
		int	itdeg
	)

Parameters

mesh	pointer toward the mesh structure.
met	pointer toward the metric structure.
crit	coefficient of quality improvment.
itdeg	degraded elements.

Internal edge flipping in the Lagrangian mode; only affects trias with cc itdeg

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_MMG2D_saveDisp()

int _MMG2D_saveDisp	(	MMG5_pMesh	mesh,
		MMG5_pSol	disp
	)

For debugging purposes: save disp

MMG2_mmg2d9()

int MMG2_mmg2d9	(	MMG5_pMesh	mesh,
		MMG5_pSol	disp,
		MMG5_pSol	met
	)

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