Source_Reaction_Particules_VDF.cpp

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#include <Source_Reaction_Particules_VDF.h>
#include <TRUSTTab.h>
#include <Transport_Marqueur_FT.h>
#include <Domaine.h>
#include <Domaine_VDF.h>
#include <Champ_implementation_P1.h>
#include <Dirichlet.h>
#include <Dirichlet_homogene.h>
#include <Milieu_base.h>
#include <MD_Vector_tools.h>
#include <Probleme_base.h>
 
Implemente_instanciable(Source_Reaction_Particules_VDF,"Two_Way_Coupling_VDF",Source_Reaction_Particules);
 
Sortie& Source_Reaction_Particules_VDF::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Source_Reaction_Particules_VDF::readOn(Entree& is)
{
  return is;
}
 
//-Interpolation de source_stockage_ aux sommets (par ponderation par coordonnes barycentriques)
//-Dans le cas parallele une sommation aux sommets items communs est faite
// pour tenir compte des contributions de chaque processeur
//-Calcul de la source aux faces en sommant la condribution de chacun des sommets de la face
//Rq : Le terme source est divisee par rho si le milieu n est pas quasi-compressible
DoubleTab& Source_Reaction_Particules_VDF::ajouter(DoubleTab& resu) const
{
  const DoubleTab& source_action = eq_marqueur_->source_stockage();
  const Domaine_dis_base& zdis = equation().domaine_dis();
  const Domaine_VDF& zvf = ref_cast(Domaine_VDF,zdis);
  const Domaine_Cl_dis_base& zcldis = equation().domaine_Cl_dis();
  const Domaine& domaine_geom = zdis.domaine();
  const DoubleTab& coord = domaine_geom.coord_sommets();
  const IntTab& sommet_poly = domaine_geom.les_elems();
  const IntTab& face_som = zvf.face_sommets();
  const IntVect& orient = zvf.orientation();
  const Maillage_FT_Disc& maillage = eq_marqueur_->maillage_interface();
  const DoubleTab& positions = maillage.sommets();
  const ArrOfInt& som_elem = maillage.sommet_elem();
  int dim = Objet_U::dimension;
  int nb_faces = zvf.nb_faces();
  int premiere_face_interne = zvf.premiere_face_int();
  int nb_pos = positions.dimension(0);
  int nb_som_elem = domaine_geom.nb_som_elem();
  int nb_som_face = domaine_geom.type_elem()->nb_som_face();
  int is_QC=0;
  int is_FT=0;
  double coord_b=0.;
  double x_pos,y_pos;
  double z_pos=0.;
  int elem,som_glob;
  const int nb_elem_reels = domaine_geom.nb_elem();
 
  //creation d un espace virtuel pour source_som
  DoubleTab source_som(0, dim);
  domaine_geom.creer_tableau_sommets(source_som);
 
  //is_QC=0 le terme source est homogne a dv/dt sinon homogene a d(rho*v)/dt
  is_QC = equation().probleme().is_dilatable();
  if (sub_type(Navier_Stokes_FT_Disc,equation()))
    is_FT = 1;
 
  const Champ_base& champ_rho = (is_FT==1?ref_cast(Navier_Stokes_FT_Disc,equation()).champ_rho_faces():equation().milieu().masse_volumique());
  const DoubleTab& rho_faces = champ_rho.valeurs();
 
  //Remplissage de source_som (interpolation de source_stockage aux sommets)
 
  //verifier que 0<=coord_b<=1
  for (int pos=0; pos<nb_pos; pos++)
    {
      x_pos = positions(pos,0);
      y_pos = positions(pos,1);
      if (dim==3)
        z_pos = positions(pos,2);
 
      elem = som_elem[pos];
      // On va sommer les contributions de tous les sommets communs,
      // ne pas traiter les elements virtuels, on aurait plusieurs fois la contribution du meme point
      if (elem < nb_elem_reels)
        {
          for (int som=0; som<nb_som_elem; som++)
            {
              som_glob = sommet_poly(elem,som);
              if (dim==2)
                coord_b = coord_barycentrique_P1_rectangle(sommet_poly,coord,x_pos,y_pos,elem,som) ;
              else if (dim==3)
                coord_b = coord_barycentrique_P1_hexaedre(sommet_poly,coord,x_pos,y_pos,z_pos,elem,som) ;
              for (int k=0; k<dim; k++)
                source_som(som_glob,k) -= source_action(pos,k)*coord_b;
            }
        }
    }
 
  // Sommation des contributions de tous les sommets partages entre plusieurs processeurs,
  // puis echange espace virtuel.
  MD_Vector_tools::echange_espace_virtuel(source_som, MD_Vector_tools::EV_SOMME_ECHANGE);
  //Remplissage de resu (Interpolation de source_som aux faces)
 
  //Traitement des conditions limites
  int num_cl;
  for (num_cl=0 ; num_cl<zdis.nb_front_Cl() ; num_cl++)
    {
      const Cond_lim& la_cl = zcldis.les_conditions_limites(num_cl);
      const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
      int ndeb = le_bord.num_premiere_face();
      int nfin = ndeb + le_bord.nb_faces();
      if (sub_type(Dirichlet,la_cl.valeur()) || sub_type(Dirichlet_homogene,la_cl.valeur()))
        ;
      else
        for (int face=ndeb ; face<nfin ; face++)
          {
            int ncomp = orient(face);
            double rho = 1.;
            if (!is_QC)
              rho = (is_FT==1?rho_faces(face):rho_faces(0,0));
            for (int nbsf=0; nbsf<nb_som_face; nbsf++)
              {
                som_glob = face_som(face,nbsf);
                resu(face) += (1./nb_som_face)*source_som(som_glob,ncomp)/rho;
              }
          }
    }
 
  //Traitement des faces internes
  for (int face=premiere_face_interne; face<nb_faces; face++)
    {
      int ncomp = orient(face);
      double rho = 1.;
      if (!is_QC)
        rho = (is_FT==1?rho_faces(face):rho_faces(0,0));
 
      for (int nbsf=0; nbsf<nb_som_face; nbsf++)
        {
          som_glob = face_som(face,nbsf);
          resu(face) += (1./nb_som_face)*source_som(som_glob,ncomp)/rho;
        }
    }
 
  return resu;
}