Terme_Source_Canal_perio_VEF_P1NC.cpp

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#include <Terme_Source_Canal_perio_VEF_P1NC.h>
#include <Domaine_VEF.h>
#include <Domaine_Cl_VEF.h>
#include <Periodique.h>
#include <Probleme_base.h>
#include <Equation_base.h>
#include <Fluide_Dilatable_base.h>
#include <communications.h>
#include <SFichier.h>
#include <Convection_Diffusion_std.h>
 
// May 04: modification for QC source term
//
Implemente_instanciable(Terme_Source_Canal_perio_VEF_P1NC,"Canal_perio_VEF_P1NC",Terme_Source_Canal_perio);
Implemente_instanciable(Terme_Source_Canal_perio_QC_VEF_P1NC,"Canal_perio_QC_VEF_P1NC",Terme_Source_Canal_perio_VEF_P1NC);
 
 
//// printOn
//
Sortie& Terme_Source_Canal_perio_QC_VEF_P1NC::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
 
//
//   //// readOn
//   //
 
Entree& Terme_Source_Canal_perio_QC_VEF_P1NC::readOn(Entree& s )
{
  return Terme_Source_Canal_perio::readOn(s);
}
 
//// printOn
//
 
Sortie& Terme_Source_Canal_perio_VEF_P1NC::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
 
//
//// readOn
//
 
Entree& Terme_Source_Canal_perio_VEF_P1NC::readOn(Entree& s )
{
  return Terme_Source_Canal_perio::readOn(s);
}
 
void Terme_Source_Canal_perio_VEF_P1NC::associer_domaines(const Domaine_dis_base& domaine_dis,
                                                          const Domaine_Cl_dis_base& domaine_Cl_dis)
{
  le_dom_VEF = ref_cast(Domaine_VEF, domaine_dis);
  le_dom_Cl_VEF = ref_cast(Domaine_Cl_VEF, domaine_Cl_dis);
}
 
DoubleTab& Terme_Source_Canal_perio_VEF_P1NC::ajouter(DoubleTab& tab_resu) const
{
  const Domaine_VF& domaine_VF = le_dom_VEF.valeur();
  int premiere_face_std = le_dom_VEF->premiere_face_std() ;
  ArrOfDouble tab_s;
  tab_s = source();
  int nb_faces = domaine_VF.nb_faces();
  int dim = Objet_U::dimension;
  CDoubleArrView volumes_entrelaces_Cl = le_dom_Cl_VEF->volumes_entrelaces_Cl().view_ro();
  CDoubleArrView volumes_entrelaces = domaine_VF.volumes_entrelaces().view_ro();
  CDoubleArrView porosite_face = equation().milieu().porosite_face().view_ro();
  CDoubleArrView s = tab_s.view_ro();
  if (tab_s.size_array()==dim)
    {
      // Case Navier Stokes, s is uniform
      DoubleTabView resu = tab_resu.view_rw();
      Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), nb_faces, KOKKOS_LAMBDA(
                             const int num_face)
      {
        double vol = (num_face<premiere_face_std ? volumes_entrelaces_Cl(num_face) : volumes_entrelaces(num_face))*porosite_face(num_face);
        for (int i=0; i<dim; i++)
          resu(num_face,i) += s(i)*vol;
      });
      end_gpu_timer(__KERNEL_NAME__);
    }
  else
    {
      // Case Energy, s is non uniform
      bilan_=0;
      CIntArrView fd = domaine_VF.faces_doubles().view_ro();
      DoubleArrView bilan = bilan_.view_rw();
      DoubleArrView resu = static_cast<DoubleVect&>(tab_resu).view_rw();
      Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), nb_faces, KOKKOS_LAMBDA(
                             const int num_face)
      {
        double vol = (num_face < premiere_face_std ? volumes_entrelaces_Cl(num_face) : volumes_entrelaces(num_face))*porosite_face(num_face);
        double contrib = s[num_face]*vol;
        resu(num_face)+= contrib;
        Kokkos::atomic_add(&bilan(0), contrib*(1-0.5*fd[num_face]));
      });
      end_gpu_timer(__KERNEL_NAME__);
    }
  return tab_resu;
}
 
void Terme_Source_Canal_perio_VEF_P1NC::calculer_debit(double& debit_e) const
{
  debit_e = 0.;
  const Domaine_VF& domaine_VF = le_dom_VEF.valeur();
  const Domaine_Cl_dis_base& domaine_Cl_dis = le_dom_Cl_VEF.valeur();
  int nb_bords = domaine_VF.nb_front_Cl();
  for (int n_bord=0; n_bord<nb_bords; n_bord++)
    {
      const Cond_lim& la_cl = domaine_Cl_dis.les_conditions_limites(n_bord);
      if (sub_type(Periodique,la_cl.valeur()))
        {
          const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
          if (bord_periodique_ == le_bord.le_nom())
            {
              const Champ_Inc_base& velocity = (sub_type(Convection_Diffusion_std,equation()) ? ref_cast(Convection_Diffusion_std,equation()).vitesse_transportante() : equation().inconnue());
              // Check we have really velocity:
              assert(velocity.le_nom()=="vitesse");
              int ndeb = le_bord.num_premiere_face();
              int nfin = ndeb + le_bord.nb_faces()/2;
              int axe = direction_ecoulement_;
              int dim = Objet_U::dimension;
              bool is_dilatable = equation().probleme().is_dilatable();
              // In the quasi-compressible case, the mass flow rate must be conserved rather than the volumetric flow rate.
              // For this reason, in the QC case, the velocity vectors are multiplied
              // by the face-discretized density so that when integrating over the surface,
              // one obtains a mass flow rate rather than a volumetric flow rate.
              const DoubleTab& tab_rho_face = is_dilatable ? ref_cast(Fluide_Dilatable_base,equation().milieu()).rho_discvit() : velocity.valeurs() /* array of the same format but not used */;
              CDoubleArrView rho_face = static_cast<const DoubleVect&>(tab_rho_face).view_ro();
              CDoubleTabView face_normales = domaine_VF.face_normales().view_ro();
              CDoubleArrView porosite_face = equation().milieu().porosite_face().view_ro();
              CDoubleTabView vitesse = velocity.valeurs().view_ro();
              Kokkos::parallel_reduce(start_gpu_timer(__KERNEL_NAME__),
                                      Kokkos::RangePolicy<>(ndeb, nfin), KOKKOS_LAMBDA(
                                        const int num_face, double& debit)
              {
                double debit_face = 0;
                if (axe >= 0)
                  debit_face += porosite_face(num_face) * vitesse(num_face, axe) *
                                std::fabs(face_normales(num_face, axe));
                else
                  {
                    for (int i = 0; i < dim; i++)
                      debit_face += porosite_face(num_face) * vitesse(num_face, i) *
                                    face_normales(num_face, i);
                  }
                debit += (is_dilatable ? rho_face(num_face) : 1) * debit_face;
              }, Kokkos::Sum<double>(debit_e));
              end_gpu_timer(__KERNEL_NAME__);
            }
        }
    }
  debit_e = mp_sum(debit_e);
}