vof.c File Reference

Volume-Of-Fluid tracers. More...

Functions
gdouble	gfs_line_area (const FttVector *m, gdouble alpha)
gdouble	gfs_line_alpha (const FttVector *m, gdouble c)
void	gfs_line_center (const FttVector *m, gdouble alpha, gdouble a, FttVector *p)
gdouble	gfs_line_area_center (const FttVector *m, gdouble alpha, FttVector *p)
gdouble	gfs_plane_volume (const FttVector *m, gdouble alpha)
gdouble	gfs_plane_alpha (const FttVector *m, gdouble c)
void	gfs_plane_center (const FttVector *m, gdouble alpha, gdouble a, FttVector *p)
gdouble	gfs_plane_area_center (const FttVector *m, gdouble alpha, FttVector *p)
void	gfs_youngs_gradient (FttCell *cell, GfsVariable *v, FttVector *g)
gdouble	gfs_vof_plane_interpolate (FttCell *cell, FttVector *p, guint level, GfsVariableTracerVOF *t, FttVector *m)
gdouble	gfs_vof_interpolate (FttCell *cell, FttVector *p, guint level, GfsVariableTracerVOF *t)
void	gfs_tracer_vof_advection (GfsDomain *domain, GfsAdvectionParams *par)
gdouble	gfs_vof_face_value (const FttCellFace *face, GfsVariableTracerVOF *t)
guint	gfs_vof_facet (FttCell *cell, GfsVariableTracerVOF *t, FttVector *p, FttVector *m)
gdouble	gfs_vof_facet_distance2 (FttCell *cell, GfsVariableTracerVOF *t, GtsPoint *p)
gdouble	gfs_vof_center (FttCell *cell, GfsVariableTracerVOF *t, FttVector *p)
gdouble	gfs_fit_curvature (FttCell *cell, GfsVariableTracerVOF *t, gdouble *kmax)
gdouble	gfs_height_curvature (FttCell *cell, GfsVariableTracerVOF *t, gdouble *kmax)
gboolean	gfs_curvature_along_direction (FttCell *cell, GfsVariableTracerVOFHeight *t, FttComponent c, gdouble *kappa, gdouble *kmax)
gdouble	gfs_height_curvature_new (FttCell *cell, GfsVariableTracerVOFHeight *t, gdouble *kmax)
gdouble	gfs_vof_correctness (FttCell *cell, GfsVariableTracerVOF *t)
GfsVariable *	gfs_closest_height (FttCell *cell, GfsVariableTracerVOFHeight *t, FttComponent c, gdouble *orientation)

---

Detailed Description

Volume-Of-Fluid tracers.

---

Function Documentation

gdouble gfs_line_alpha	(	const FttVector *	m,
		gdouble	c
	)

Parameters:

m	a #FttVector.
c	a volume fraction.

Returns:

the value alpha such that the area of a square cell lying under the line defined by m.x = alpha is equal to c.

Here is the caller graph for this function:

gdouble gfs_line_area	(	const FttVector *	m,
		gdouble	alpha
	)

Parameters:

m	normal to the line.
alpha	line constant.

Returns:

the area of the fraction of a cell lying under the line (m,alpha).

Here is the caller graph for this function:

gdouble gfs_line_area_center	(	const FttVector *	m,
		gdouble	alpha,
		FttVector *	p
	)

Parameters:

m	normal to the line.
alpha	line constant.
p	a #FttVector.

Fills p with the position of the center of area of the fraction of a square cell lying under the line (m,alpha).

Returns:

the length of the facet.

Here is the caller graph for this function:

void gfs_line_center	(	const FttVector *	m,
		gdouble	alpha,
		gdouble	a,
		FttVector *	p
	)

Parameters:

m	normal to the line.
alpha	line constant.
a	area of cell fraction.
p	a #FttVector.

Fills p with the position of the center of mass of the fraction of a square cell lying under the line (m,alpha).

Here is the caller graph for this function:

gdouble gfs_plane_alpha	(	const FttVector *	m,
		gdouble	c
	)

Parameters:

m	a #FttVector.
c	a volume fraction.

Returns:

the value alpha such that the volume of a cubic cell lying under the plane defined by m.x = alpha is equal to c.

Here is the caller graph for this function:

gdouble gfs_plane_area_center	(	const FttVector *	m,
		gdouble	alpha,
		FttVector *	p
	)

Parameters:

m	normal to the plane.
alpha	plane constant.
p	a #FttVector.

Fills p with the position of the center of area of the fraction of a cubic cell lying under the plane (m,alpha).

Returns:

the area of the facet.

Here is the call graph for this function:

Here is the caller graph for this function:

void gfs_plane_center	(	const FttVector *	m,
		gdouble	alpha,
		gdouble	a,
		FttVector *	p
	)

Parameters:

m	normal to the plane.
alpha	plane constant.
a	volume of cell fraction.
p	a #FttVector.

Fills p with the position of the center of mass of the fraction of a cubic cell lying under the plane (m,alpha).

Here is the call graph for this function:

Here is the caller graph for this function:

gdouble gfs_plane_volume	(	const FttVector *	m,
		gdouble	alpha
	)

Parameters:

m	normal to the plane.
alpha	plane constant.

Returns:

the volume of a cell lying under the plane (m,alpha).

Here is the caller graph for this function:

gdouble gfs_vof_interpolate	(	FttCell *	cell,
		FttVector *	p,
		guint	level,
		GfsVariableTracerVOF *	t
	)

Parameters:

cell	a #FttCell containing location p.
p	the center of the virtual cell.
level	the level of the virtual cell.
t	a #GfsVariableTracerVOF.

Computes the volume fraction of a virtual cell at level centered on p.

Returns:

the volume fraction of the virtual cell.

Here is the call graph for this function:

gdouble gfs_vof_plane_interpolate	(	FttCell *	cell,
		FttVector *	p,
		guint	level,
		GfsVariableTracerVOF *	t,
		FttVector *	m
	)

Parameters:

cell	a #FttCell containing location p.
p	the center of the virtual cell.
level	the level of the virtual cell.
t	a #GfsVariableTracerVOF.
m	a #FttVector.

Computes the equation m.x = alpha of the volume fraction plane of a virtual cell at level centered on p.

Returns:

alpha for the virtual cell.

Here is the call graph for this function:

Here is the caller graph for this function:

void gfs_youngs_gradient	(	FttCell *	cell,
		GfsVariable *	v,
		FttVector *	g
	)

Parameters:

cell	a #FttCell.
v	a #GfsVariable.
g	a #FttVector.

Fills g with the Youngs-averaged gradients of v normalised by the size of cell.

Here is the call graph for this function: