Champ_front_fonc_pois_ipsn.cpp

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#include <Champ_front_fonc_pois_ipsn.h>
#include <Domaine.h>
#include <Frontiere_dis_base.h>
 
Implemente_instanciable(Champ_front_fonc_pois_ipsn,"Champ_front_fonc_pois_ipsn",Champ_front_fonc);
// XD champ_front_fonc_pois_ipsn front_field_base champ_front_fonc_pois_ipsn NO_BRACE Boundary field
// XD_CONT champ_front_fonc_pois_ipsn.
// XD attr r_tube floattant r_tube REQ not_set
// XD attr umoy list umoy REQ not_set
// XD attr r_loc listf r_loc REQ not_set
 
 
Sortie& Champ_front_fonc_pois_ipsn::printOn(Sortie& s ) const
{
 
  s << que_suis_je() << " " << le_nom() << finl ;
 
  const DoubleTab& tab=valeurs();
  s << tab.size() << " ";
  for(int i=0; i<tab.size(); i++)
    s << tab(0,i);
 
  return  s ;
}
 
Entree& Champ_front_fonc_pois_ipsn::readOn(Entree& is )
{
 
  is >> R_tube ;
 
  int nbcomp , i;
  nbcomp=lire_dimension(is,que_suis_je());
 
  fixer_nb_comp(nbcomp);
  U_moy.resize(nbcomp) ;
  R_loc.resize(nbcomp) ;
 
  for (i = 0; i < nbcomp; i++)
    {
      is >> U_moy(i) ;
    }
 
  for (i = 0; i < nbcomp; i++)
    {
      is >> R_loc(i) ;
    }
 
 
  //Cerr << "Champ_front_fonc_pois_ipsn read U_moy = "<< U_moy << finl ;
  return is ;
}
 
int Champ_front_fonc_pois_ipsn::initialiser(double temps, const Champ_Inc_base& inco)
{
  if (!Champ_front_fonc::initialiser(temps,inco))
    return 0;
 
  int dim = nb_comp();
 
  const Frontiere& front=la_frontiere_dis->frontiere();
  const Domaine& domaine=front.domaine();
  const Faces& faces=front.faces();
 
  int nb_faces=front.nb_faces();
  int nbsf=faces.nb_som_faces();
 
  DoubleTab& tab=valeurs();
 
  DoubleVect loc_local(dim) ;
 
  double teta = 40./360.*2.*3.14159  ;
  double dummy ;
 
  DoubleTab coord_trans(3,3) ;
 
  coord_trans(0,0) = cos(teta) ;
  coord_trans(0,1) = 0.        ;
  coord_trans(0,2) = sin(teta) ;
 
  coord_trans(1,0) = 0. ;
  coord_trans(1,1) = 1. ;
  coord_trans(1,2) = 0. ;
 
  coord_trans(2,0) = -sin(teta) ;
  coord_trans(2,1) = 1.        ;
  coord_trans(2,2) = cos(teta) ;
 
  DoubleVect trans(3) ;
 
  int k, i ,j ;
 
  for( int fac=0; fac<nb_faces; fac++)
    {
      loc_local = 0.;
 
      for( k=0; k<nbsf; k++)
        {
          for ( i=0; i<dim; i++)
            loc_local(i)+=domaine.coord(faces.sommet(fac,k),i);
        }
      loc_local /= double(nbsf);
 
      trans = 0. ;
      for (i=0; i<dimension; i++)
        for (j=0; j<dimension; j++)
          trans(i) += (loc_local(j) - R_loc(j)) * coord_trans(i,j) ;
 
      loc_local = trans ;
 
      double ray2 = R_tube*R_tube ;
 
      dummy = loc_local(0)*loc_local(1)*ray2 ;
      tab(fac,2) = std::fabs(dummy) ;
      dummy = loc_local(0)*loc_local(2)*ray2 ;
      tab(fac,1) = std::fabs(dummy) ;
      dummy = loc_local(1)*loc_local(2)*ray2 ;
      tab(fac,0) = std::fabs(dummy) ;
 
      dummy = loc_local(0)*loc_local(0)*loc_local(0)*loc_local(1) ;
      tab(fac,2) -= std::fabs(dummy) ;
      dummy = loc_local(1)*loc_local(1)*loc_local(1)*loc_local(0) ;
      tab(fac,2) -= std::fabs(dummy) ;
 
      dummy = loc_local(0)*loc_local(0)*loc_local(0)*loc_local(2) ;
      tab(fac,1) -= std::fabs(dummy) ;
      dummy = loc_local(2)*loc_local(2)*loc_local(2)*loc_local(0) ;
      tab(fac,1) -= std::fabs(dummy) ;
 
      dummy = loc_local(2)*loc_local(2)*loc_local(2)*loc_local(1) ;
      tab(fac,0) -= std::fabs(dummy) ;
      dummy = loc_local(1)*loc_local(1)*loc_local(1)*loc_local(2) ;
      tab(fac,0) -= std::fabs(dummy) ;
 
      for ( i=0; i<dim; i++)
        tab(fac,i) *= U_moy(i) ;
    }
  tab.echange_espace_virtuel();
  return 1;
}