prob/par_linearwave2d.c File Reference

Problem generator for oblique linear waves with Lagrangian particles. More...

Go to the source code of this file.

Functions
int	GetPosition (Grain *gr)
	get particle status (grid/crossing)
void	problem (Grid *pGrid, Domain *pDomain)
void	problem_write_restart (Grid *pG, Domain *pD, FILE *fp)
void	problem_read_restart (Grid *pG, Domain *pD, FILE *fp)
static Real	ScalarDen (const Grid *pG, const int i, const int j, const int k)
	|fn static Real ScalarDen(const Grid *pG, const int i, const int j, const int k)
static Real	dratio (const Grid *pG, const int i, const int j, const int k)
	Density ratio.
Gasfun_t	get_usr_expr (const char *expr)
	Sets pointer to expression for special output data.
VGFunout_t	get_usr_out_fun (const char *name)
	Returns a user defined output function pointer.
PropFun_t	get_usr_par_prop (const char *name)
	Returns a user defined particle selection function.
void	gasvshift (const Real x1, const Real x2, const Real x3, Real *u1, Real *u2, Real *u3)
	Gas velocity shift.
void	Userforce_particle (Vector *ft, const Real x1, const Real x2, const Real x3, const Real v1, const Real v2, const Real v3)
void	Userwork_in_loop (Grid *pGrid, Domain *pDomain)
void	Userwork_after_loop (Grid *pGrid, Domain *pDomain)

---

Detailed Description

Problem generator for oblique linear waves with Lagrangian particles.

PURPOSE: Problem generator for oblique linear waves with Lagrangian particles. Only works for 2D grid. The angle the wave propagates to the grid is automatically computed to be tan^{-1} (X/Y), so that periodic boundary conditions can be used. Particles can be initialized either with uniform density or with the same density profile as gas.

Note angle=0 or 90 [grid aligned waves] is not allowed in this routine. Use linearwave1d for grid aligned wave on 1D/2D/3D grids.

Can be used for either standing (problem/vflow=1.0) or travelling (problem/vflow=0.0) waves.

Definition in file par_linearwave2d.c.

---

Function Documentation

static Real dratio	(	const Grid *	pG,
		const int	i,
		const int	j,
		const int	k
	)			[static]

Density ratio.

Definition at line 231 of file par_linearwave2d.c.

void gasvshift	(	const Real	x1,
		const Real	x2,
		const Real	x3,
		Real *	u1,
		Real *	u2,
		Real *	u3
	)

Gas velocity shift.

Definition at line 262 of file par_linearwave2d.c.

Gasfun_t get_usr_expr

(

const char *

expr

)

Sets pointer to expression for special output data.

Definition at line 241 of file par_linearwave2d.c.

VGFunout_t get_usr_out_fun

(

const char *

name

)

Returns a user defined output function pointer.

Definition at line 252 of file par_linearwave2d.c.

PropFun_t get_usr_par_prop

(

const char *

name

)

Returns a user defined particle selection function.

Definition at line 257 of file par_linearwave2d.c.

int GetPosition

(

Grain *

gr

)

get particle status (grid/crossing)

Get particle status (grid/crossing).

Definition at line 360 of file par_linearwave2d.c.

References x1lpar, x1upar, x2lpar, x2upar, x3lpar, and x3upar.

void problem	(	Grid *	pGrid,
		Domain *	pDomain
	)

Definition at line 44 of file par_linearwave2d.c.

References amp, ath_error(), cc_pos(), GetPosition(), Iso_csound, n, Npar, par_getd(), par_getd_def(), par_geti(), particle_realloc(), tstop0, x1max, x1min, x2max, and x2min.

Here is the call graph for this function:

void problem_read_restart	(	Grid *	pG,
		Domain *	pD,
		FILE *	fp
	)

Definition at line 213 of file par_linearwave2d.c.

void problem_write_restart	(	Grid *	pG,
		Domain *	pD,
		FILE *	fp
	)

Definition at line 208 of file par_linearwave2d.c.

static Real ScalarDen	(	const Grid *	pG,
		const int	i,
		const int	j,
		const int	k
	)			[static]

|fn static Real ScalarDen(const Grid *pG, const int i, const int j, const int k)

Scalar ratio

Definition at line 222 of file par_linearwave2d.c.

void Userforce_particle	(	Vector *	ft,
		const Real	x1,
		const Real	x2,
		const Real	x3,
		const Real	v1,
		const Real	v2,
		const Real	v3
	)

Definition at line 268 of file par_linearwave2d.c.

void Userwork_after_loop	(	Grid *	pGrid,
		Domain *	pDomain
	)

Definition at line 286 of file par_linearwave2d.c.

References amp, ath_fname(), cc_pos(), Iso_csound, n, Npar, omega, par_getd(), par_geti(), particle_to_grid(), property_all(), x1max, x1min, x2max, and x2min.

Here is the call graph for this function:

void Userwork_in_loop	(	Grid *	pGrid,
		Domain *	pDomain
	)

Definition at line 275 of file par_linearwave2d.c.