Source_Flottabilite.cpp

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#include <Source_Flottabilite.h>
#include <Probleme_base.h>
#include <Milieu_base.h>
 
Implemente_instanciable(Source_Flottabilite,"Flottabilite",Source_Action_Particules);
 
 
Sortie& Source_Flottabilite::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
 
 
Entree& Source_Flottabilite::readOn(Entree& s )
{
  return s;
}
 
//L expression codee est precisee dans l entete de la classe
DoubleTab& Source_Flottabilite::ajouter(DoubleTab& resu) const
{
  const DoubleTab& gradient_p = grad_pression();
  ///const DoubleTab& rho_f = rho_fluide();
  const Champ_Don_base& champ_gravite = equation().probleme().milieu().gravite();
  const DoubleTab& gravite = champ_gravite.valeurs();
  const DoubleTab& rho_p = rho_particules();
  const DoubleTab& volume_p = volumes_particules();
 
  const int dim0 = rho_p .dimension(0);
  const int dim1 =  Objet_U::dimension;
  double masse_particule, terme_pression;
 
  for (int i=0; i<dim0; i++)
    {
      for (int j=0; j<dim1; j++)
        {
          masse_particule = rho_p(i,0)*volume_p(i,0)*gravite(0,j);
          terme_pression = gradient_p(i,j)*volume_p(i,0);
          resu(i,j) += masse_particule-terme_pression;
        }
    }
 
  return resu;
}
 
 
DoubleTab& Source_Flottabilite::calculer(DoubleTab& resu) const
{
  resu = 0;
  return ajouter(resu);
}