Mathc initiation/Fichiers h : c63a8


Sommaire


Installer ce fichier dans votre répertoire de travail.

x_fluzxy.h
/* --------------------------------- */
/* save as x_fluzxy.h                */
/* --------------------------------- */
double flux_z_dzdxdy(

double (*P_f)(double x, double y, double z),

double (*P_fxyz_n)( double (*P_f)(double x, double y, double z), double h, pt3d n),

double (*P_u)(double x, double y),
double (*P_v)(double x, double y),
   int nz,
   
double x,
   
double y
)
{
pt3d n;

   int i = 0;
double m = 0.;
double M = 0.;

 for(i = 0; i <= nz; i++)
 {
       if(i ==0 || i== nz){m = 1.;}
  else if(fmod(i,2) == 0){m = 2.;}
  else                   {m = 4.;}

          n.x = x;
          n.y = y;
          n.z = ((*P_u)(x,y)) + i*(((*P_v)(x,y))-((*P_u)(x,y)))/nz;

  M += m *  (*P_fxyz_n)((*P_f),H,n);
 }

  return( ((((*P_v)(x,y)) -((*P_u)(x,y)))*M) / (3*nz) );
}
/* --------------------------------- */
double flux_x_dzdxdy(

double (*P_f)(double x, double y, double z),

double (*P_fxyz_n)( double (*P_f)(double x, double y, double z), double h, pt3d nx),

double (*P_u)(double x, double y),
double (*P_v)(double x, double y),
   int nz,
   
double (*P_s)(double y),
double (*P_t)(double y),
   int nx,
   
double y
)
{
   int i = 0;
double m = 0.;
double M = 0.;

 for(i = 0; i <= nx; i++)
 {
       if(i ==0 || i== nx){m = 1.;}
  else if(fmod(i,2) == 0){m = 2.;}
  else                   {m = 4.;}

  M += m * flux_z_dzdxdy(    (*P_f),
                             (*P_fxyz_n),
                             (*P_u),(*P_v),nz,
  (((*P_s)(y))+i*(((*P_t)(y))-((*P_s)(y)))/nx),
                              y);
 }

 return( ((((*P_t)(y)) -((*P_s)(y)))*M) / (3*nx) );
}
/* --------------------------------- */
double flux_dzdxdy(
double (*P_f)(double x, double y, double z),

double (*P_fxyz_n)( double (*P_f)(double x, double y, double z), double h, pt3d nx),

double (*P_u)(double x, double y),
double (*P_v)(double x, double y),
   int nz,
   
double (*P_s)(double y),
double (*P_t)(double y),
   int nx,
   
double ay,
double by,
   int ny
)
{
   int i = 0;
double m = 0.;
double M = 0.;

 for(i = 0; i <= ny; i++)
 {
       if(i ==0 || i== ny){m = 1.;}
  else if(fmod(i,2) == 0){m = 2.;}
  else                   {m = 4.;}

 M += m * flux_x_dzdxdy(     (*P_f),
                             (*P_fxyz_n),
                             (*P_u),(*P_v),nz,
                             (*P_s),(*P_t),nx,
                             (ay+i*(by-ay)/ny));
 }

  return( ((by -ay)*M) / (3*ny) );
}
/* --------------------------------- */
/* --------------------------------- */


Déclaration des fichiers h.