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#include <gfs.h> GfsAdvectionParams;void gfs_advection_params_init (GfsAdvectionParams *par);void gfs_advection_params_read (GfsAdvectionParams *par,GtsFile *fp);void gfs_advection_params_write (GfsAdvectionParams *par,FILE *fp);void gfs_cell_advected_face_values (FttCell *cell, const GfsAdvectionParams *par);gdouble gfs_face_upwinded_value (const FttCellFace *face,GfsUpwinding upwinding, GfsVariable **u);void gfs_face_advection_flux (const FttCellFace *face, const GfsAdvectionParams *par);void gfs_face_velocity_advection_flux (const FttCellFace *face, const GfsAdvectionParams *par);void gfs_face_velocity_convective_flux (const FttCellFace *face, const GfsAdvectionParams *par);void gfs_face_advected_normal_velocity (const FttCellFace *face, const GfsAdvectionParams *par);void gfs_face_interpolated_normal_velocity (const FttCellFace *face, GfsVariable **v);void gfs_face_reset_normal_velocity (const FttCellFace *face);
typedef struct { gdouble cfl, dt; GfsVariable * v, * fv, ** u, ** g; GfsCenterGradient gradient; gboolean use_centered_velocity; GfsUpwinding upwinding; GfsFaceAdvectionFluxFunc flux; GfsAdvectionScheme scheme; } GfsAdvectionParams;
void gfs_advection_params_read (GfsAdvectionParams *par,GtsFile *fp);
par : | |
fp : |
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void gfs_advection_params_write (GfsAdvectionParams *par,FILE *fp);
par : | |
fp : |
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void gfs_cell_advected_face_values (FttCell *cell, const GfsAdvectionParams *par);
Fills the face variable (v
field of GfsFaceStateVector) of all the
faces of cell
with the advected value of variable par
->v at time
t + dt/2.
cell : | a FttCell. |
par : | the advection parameters. |
gdouble gfs_face_upwinded_value (const FttCellFace *face,GfsUpwinding upwinding, GfsVariable **u);
This function assumes that the face variable has been previously
defined using gfs_cell_advected_face_values()
.
face : | a FttCellFace. |
upwinding : | type of upwinding. |
u : | the cell-centered velocity. |
Returns : | the upwinded value of the face variable. |
void gfs_face_advection_flux (const FttCellFace *face, const GfsAdvectionParams *par);
Adds to variable par
->fv, the value of the (conservative)
advection flux of the face variable through face
.
This function assumes that the face variable has been previously
defined using gfs_cell_advected_face_values()
.
face : | a FttCellFace. |
par : | the advection parameters. |
void gfs_face_velocity_advection_flux (const FttCellFace *face, const GfsAdvectionParams *par);
Adds to variable par
->fv, the value of the (conservative)
advection flux through face
of variable par
->v (a component
of the velocity).
This function assumes that the g
field of the cells sharing face
are filled with the pressure gradient at time t + dt/2.
This function also assumes that the face value of par
->v has been
previously defined using gfs_cell_advected_face_values()
.
face : | a FttCellFace. |
par : | the advection parameters. |
void gfs_face_velocity_convective_flux (const FttCellFace *face, const GfsAdvectionParams *par);
Adds to variable par
->fv, the value of the (non-conservative)
convective flux through face
of variable par
->v (a component
of the velocity).
This function assumes that the g
field of the cells sharing face
are filled with the pressure gradient at time t + dt/2.
This function also assumes that the face value of par
->v has been
previously defined using gfs_cell_advected_face_values()
.
face : | a FttCellFace. |
par : | the advection parameters. |
void gfs_face_advected_normal_velocity (const FttCellFace *face, const GfsAdvectionParams *par);
Fills the normal component of the velocity at face
with the value
advected (to time t + dt/2) from the centered velocities.
This function assumes that the face variable has been previously
defined for the correct component of the velocity using
gfs_cell_advected_face_values()
.
face : | a FttCellFace. |
par : | the GfsAdvectionParams. |
void gfs_face_interpolated_normal_velocity (const FttCellFace *face, GfsVariable **v);
Fills the normal component of the velocity at face
with the value
interpolated from the centered velocities.
face : | a FttCellFace. |
v : | the velocity. |
void gfs_face_reset_normal_velocity (const FttCellFace *face);
Set velocity normal to face
to zero.
face : | a FttCellFace. |
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