ct.c File Reference

Update staggered magnetic field. More...

#include "pluto.h"

Functions
void	CT_Update (const Data *d, Grid *grid)
void	CT_CheckDivB (double ***bf[], Grid *grid)

Detailed Description

Magnetic field is updated using a discrete version of Stoke's theorem

References

• "A staggered mesh algorithm using high-order Godunov fluxes to ensure solenoidal magnetic field in MHD simulations"
  Balsara & Spicer, JCP (1999) 149, 270

Author

A. Mignone (migno.nosp@m.ne@p.nosp@m.h.uni.nosp@m.to.i.nosp@m.t)

Date

Aug 16, 2012

Function Documentation

void CT_CheckDivB	(	double ***	bf[],
		Grid *	grid
	)

Check the divergence-free condition of magnetic field in the constrained transport formalism.

void CT_Update	(	const Data *	d,
		Grid *	grid
	)

Update staggered magnetic field using discrete version of Stoke's theorem.

Parameters

[in,out]	d	pointer to PLUTO Data structure
[in]	grid	pointer to an array of Grid structures

Todo:

dt may be set separately in a more concise manner.

Author

A. Mignone (migno.nosp@m.ne@p.nosp@m.h.uni.nosp@m.to.i.nosp@m.t)

Date

Aug 16, 2012