prob/orszag-tang.c File Reference

Problem generator for Orszag-Tang vortex problem. More...

Go to the source code of this file.

Functions
void	problem (DomainS *pDomain)
	Problem initial conditions, edited for each problem.
void	problem_write_restart (MeshS *pM, FILE *fp)
	Problem specific subroutine for use with writing restart files, Edited for each problem.
void	problem_read_restart (MeshS *pM, FILE *fp)
	Problem specific subroutine for use with reading restart files, Edited for each problem.
ConsFun_t	get_usr_expr (const char *expr)
	Sets pointer to expression for special output data.
VOutFun_t	get_usr_out_fun (const char *name)
	Returns a user defined output function pointer.
void	Userwork_in_loop (MeshS *pM)
	Problem work executed during each step in the main Athena loop, see main.c.
void	Userwork_after_loop (MeshS *pM)
	Problem work executed after the main Athena loop, see main.c Edited for each problem.

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Detailed Description

Problem generator for Orszag-Tang vortex problem.

REFERENCE: For example, see: G. Toth, "The div(B)=0 constraint in shock capturing MHD codes", JCP, 161, 605 (2000)

Definition in file orszag-tang.c.

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Function Documentation

ConsFun_t get_usr_expr

(

const char *

expr

)

Sets pointer to expression for special output data.

Definition at line 126 of file orszag-tang.c.

VOutFun_t get_usr_out_fun

(

const char *

name

)

Returns a user defined output function pointer.

Definition at line 131 of file orszag-tang.c.

void problem

(

DomainS *

pDomain

)

Problem initial conditions, edited for each problem.

Definition at line 25 of file orszag-tang.c.

References ath_error(), B0, ConsS::B1c, GridS::B1i, ConsS::B2c, GridS::B2i, ConsS::B3c, calloc_2d_array(), cc_pos(), ConsS::d, d0, GridS::dx1, GridS::dx2, ConsS::E, Gamma_1, DomainS::Grid, GridS::ie, GridS::is, GridS::je, GridS::js, GridS::ks, ConsS::M1, ConsS::M2, ConsS::M3, GridS::Nx, nx1, nx2, p0, and GridS::U.

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void problem_read_restart	(	MeshS *	pM,
		FILE *	fp
	)

Problem specific subroutine for use with reading restart files, Edited for each problem.

Definition at line 121 of file orszag-tang.c.

void problem_write_restart	(	MeshS *	pM,
		FILE *	fp
	)

Problem specific subroutine for use with writing restart files, Edited for each problem.

Definition at line 116 of file orszag-tang.c.

void Userwork_after_loop

(

MeshS *

pM

)

Problem work executed after the main Athena loop, see main.c Edited for each problem.

Definition at line 139 of file orszag-tang.c.

void Userwork_in_loop

(

MeshS *

pM

)

Problem work executed during each step in the main Athena loop, see main.c.

Edited for each problem.

Definition at line 135 of file orszag-tang.c.