Source_Masse_Ajoutee.cpp

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#include <Source_Masse_Ajoutee.h>
#include <Probleme_base.h>
#include <Schema_Temps_base.h>
 
Implemente_instanciable_sans_constructeur(Source_Masse_Ajoutee,"Masse_Ajoutee",Source_Action_Particules);
 
Source_Masse_Ajoutee::Source_Masse_Ajoutee()
{
  C_MA = 0.5;
}
 
Sortie& Source_Masse_Ajoutee::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
 
 
Entree& Source_Masse_Ajoutee::readOn(Entree& s )
{
  return s;
}
 
//L expression codee est precisee dans l entete de la classe
DoubleTab& Source_Masse_Ajoutee::ajouter(DoubleTab& resu) const
{
  const DoubleTab& vitesse_f = vitesse_fluide();
  const DoubleTab& rho_f = rho_fluide();
  const DoubleTab& vitesse_p = vitesse_particules();
  const DoubleTab& delta_vit = delta_v();
  const DoubleTab& volume_p = volumes_particules();
  const int dim0 = vitesse_p.dimension(0);
  const int dim1 = Objet_U::dimension;
  const Transport_Marqueur_FT& eq = ref_cast(Transport_Marqueur_FT,equation());
  //const double& dt =eq.probleme().schema_temps().pas_de_temps();
  const double dt = eq.dela_t();
  double derivee;
  const int impl = eq.resol_implicite();
 
  if (!impl)
    {
      for (int i=0; i<dim0; i++)
        {
          for (int j=0; j<dim1; j++)
            {
 
              derivee = (vitesse_f(i,j)-vitesse_p(i,j)-delta_vit(i,j))/dt;
              resu(i,j) += C_MA*rho_f(i)*volume_p(i,0)*derivee;
            }
        }
    }
  else
    {
      for (int i=0; i<dim0; i++)
        {
          for (int j=0; j<dim1; j++)
            {
 
              derivee = (vitesse_f(i,j)-delta_vit(i,j))/dt;
              resu(i,j) += C_MA*rho_f(i)*volume_p(i,0)*derivee;
            }
        }
    }
 
  return resu;
}
 
 
DoubleTab& Source_Masse_Ajoutee::calculer(DoubleTab& resu) const
{
  resu = 0;
  return ajouter(resu);
}