init.c

Go to the documentation of this file.

#include "pluto.h"

/* ********************************************************************* */
void Init (double *us, double x, double y, double z)
/*
 *
 *
 *
 *********************************************************************** */
{
  double scrh;
   
  if (sqrt(x*x + y*y)<0.25){
    us[RHO]   = 10.0;
    us[VX1]    = 0.0;
    us[VX2]    = 0.0;
    us[PRS] = 40.0/3.0;
  }else{
    us[RHO]   = 1.0;
    us[VX1]    = 0.0;
    us[VX2]    = 0.0;
    us[PRS] = 2.e-6/3.;
  }

}

/* ********************************************************************* */
void Analysis (const Data *d, Grid *grid)
/* 
 *
 *
 *********************************************************************** */
{

}

/* ********************************************************************* */
void UserDefBoundary (const Data *d, RBox *box, int side, Grid *grid) 
/*! 
 *  Assign user-defined boundary conditions.
 *
 * \param [in,out] d  pointer to the PLUTO data structure containing
 *                    cell-centered primitive quantities (d->Vc) and 
 *                    staggered magnetic fields (d->Vs, when used) to 
 *                    be filled.
 * \param [in] box    pointer to a RBox structure containing the lower
 *                    and upper indices of the ghost zone-centers/nodes
 *                    or edges at which data values should be assigned.
 * \param [in] side   specifies the boundary side where ghost zones need
 *                    to be filled. It can assume the following 
 *                    pre-definite values: X1_BEG, X1_END,
 *                                         X2_BEG, X2_END, 
 *                                         X3_BEG, X3_END.
 *                    The special value side == 0 is used to control
 *                    a region inside the computational domain.
 * \param [in] grid  pointer to an array of Grid structures.
 *
 *********************************************************************** */
{ }