Source_Fluide_Dilatable_VEF_Proto.cpp

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#include <Source_Fluide_Dilatable_VEF_Proto.h>
#include <Neumann_sortie_libre.h>
#include <Discretisation_base.h>
#include <Domaine_Cl_dis_base.h>
#include <Domaine_Cl_VEF.h>
#include <Equation_base.h>
#include <Milieu_base.h>
#include <Domaine_VEF.h>
#include <Periodique.h>
#include <TRUSTTab.h>
#include <Symetrie.h>
 
#include <TRUSTArray_kokkos.tpp>
#include <kokkos++.h>
 
void Source_Fluide_Dilatable_VEF_Proto::associer_domaines_impl(const Domaine_dis_base& dds,const Domaine_Cl_dis_base& domaine_cl)
{
  le_dom = ref_cast(Domaine_VEF,dds);
  le_dom_Cl = ref_cast(Domaine_Cl_VEF,domaine_cl);
}
 
void Source_Fluide_Dilatable_VEF_Proto::associer_volume_porosite_impl(const Domaine_dis_base& dds, DoubleVect& volumes, DoubleVect& porosites)
{
  volumes.ref(ref_cast(Domaine_VF,dds).volumes_entrelaces());
  porosites.ref(le_dom_Cl->equation().milieu().porosite_face());
}
 
void Source_Fluide_Dilatable_VEF_Proto::ajouter_impl(const Equation_base& eqn,const DoubleVect& g,
                                                     const int dimension, const double rho_m,
                                                     const DoubleTab& tab_rho, DoubleTab& resu) const
{
  const int nb_faces = le_dom->nb_faces(), premiere_face_interne = le_dom->premiere_face_int();
  if (eqn.discretisation().que_suis_je()=="VEF")
    {
      const IntTab& face_voisins = le_dom->face_voisins();
      const DoubleTab& face_normales = le_dom->face_normales();
      const DoubleTab& xp = le_dom->xp();
      const DoubleTab& xv = le_dom->xv();
      ToDo_Kokkos("critical in VEF P0");
      // Boucle faces bord
      for (int num_cl=0 ; num_cl<le_dom->nb_front_Cl() ; num_cl++)
        {
          const Cond_lim& la_cl = le_dom_Cl->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(), nfin = ndeb + le_bord.nb_faces();
          if (sub_type(Neumann_sortie_libre,la_cl.valeur()))
            {
              for (int face=ndeb ; face<nfin ; face++)
                {
                  int elem1 = face_voisins(face,0);
                  if (elem1==-1)  elem1 = face_voisins(face,1);
 
                  for (int comp=0 ; comp< Objet_U::dimension ; comp++)
                    {
                      double delta_coord = (xv(face,comp) - xp(elem1,comp));
                      for (int i=0 ; i<dimension ; i++)
                        resu(face,i) += (tab_rho(face)-rho_m)*delta_coord*face_normales(face,i)*g(comp);
                    }
                }
            }
          else if (sub_type(Periodique,la_cl.valeur()))
            {
              for (int face=premiere_face_interne ; face<nb_faces; face++)
                {
                  int elem1 = face_voisins(face,0), elem2 = face_voisins(face,1);
                  for (int comp=0 ; comp<dimension ; comp++)
                    {
                      double delta_coord = (xp(elem2,comp) - xp(elem1,comp));
                      for (int i=0 ; i<dimension ; i++)
                        resu(face,i) += (tab_rho(face)-rho_m)*delta_coord*face_normales(face,i)*g(comp);
                    }
                }
            }
        }
      // Boucle faces internes
      for (int face=premiere_face_interne ; face<nb_faces; face++)
        {
          int elem1 = face_voisins(face,0), elem2 = face_voisins(face,1);
          for (int comp=0 ; comp<dimension ; comp++)
            {
              double delta_coord = (xp(elem2,comp) - xp(elem1,comp));
              for (int i=0 ; i<dimension ; i++)
                resu(face,i) += (tab_rho(face)-rho_m)*delta_coord*face_normales(face,i)*g(comp);
            }
        }
    }
  else if (eqn.discretisation().que_suis_je()=="VEFPreP1B")
    {
      CDoubleArrView g_v = g.view_ro();
      CDoubleArrView porosite_face_v = le_dom_Cl->equation().milieu().porosite_face().view_ro();
      CDoubleArrView volumes_entrelaces_v = le_dom->volumes_entrelaces().view_ro();
      CDoubleArrView tab_rho_v = static_cast<const DoubleVect&>(tab_rho).view_ro();
      DoubleTabView resu_v = resu.view_rw();
      // Boucle faces bord
      for (int num_cl=0 ; num_cl<le_dom->nb_front_Cl() ; num_cl++)
        {
          const Cond_lim& la_cl = le_dom_Cl->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(), nfin = ndeb + le_bord.nb_faces();
          if (sub_type(Neumann_sortie_libre,la_cl.valeur())||sub_type(Symetrie,la_cl.valeur())||sub_type(Periodique,la_cl.valeur()))
            {
              Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), Kokkos::MDRangePolicy<Kokkos::Rank<2>>({ndeb,0}, {nfin,dimension}), KOKKOS_LAMBDA(
                                     const int face, const int comp)
              {
                resu_v(face, comp) += (tab_rho_v(face) - rho_m) * volumes_entrelaces_v(face) * porosite_face_v(face) * g_v(comp);
              });
              end_gpu_timer(__KERNEL_NAME__);
            }
        }
      // Boucle faces internes
      Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), Kokkos::MDRangePolicy<Kokkos::Rank<2>>({premiere_face_interne,0}, {nb_faces,dimension}), KOKKOS_LAMBDA(
                             const int face, const int comp)
      {
        resu_v(face, comp) += (tab_rho_v(face) - rho_m) * volumes_entrelaces_v(face) * porosite_face_v(face) * g_v(comp);
      });
      end_gpu_timer(__KERNEL_NAME__);
    }
  else
    {
      Cerr<<"La discretisation "<<eqn.discretisation().que_suis_je()<<" n'est pas reconnue dans Source_Fluide_Dilatable_VEF_Proto"<<finl;
      Process::exit();
    }
}