Source_QC_Chaleur.cpp

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#include <Fluide_Quasi_Compressible.h>
#include <Source_QC_Chaleur.h>
#include <Schema_Temps_base.h>
#include <Equation_base.h>
#include <kokkos++.h>
#include <TRUSTArray_kokkos.tpp>
 
Implemente_base(Source_QC_Chaleur,"Source_QC_Chaleur",Source_Chaleur_Fluide_Dilatable_base);
 
Sortie& Source_QC_Chaleur::printOn(Sortie& os) const
{
  os <<que_suis_je()<< finl;
  return os;
}
 
Entree& Source_QC_Chaleur::readOn(Entree& is)
{
  return is;
}
 
 
DoubleTab& Source_QC_Chaleur::ajouter(DoubleTab& resu) const
{
  if(has_interface_blocs())
    {
      ajouter_blocs({}, resu);
      return resu;
    }
  return ajouter_(resu);
}
 
 
/*! @brief Adds the source terms.
 *
 * @return (Entree&)
 */
DoubleTab& Source_QC_Chaleur::ajouter_(DoubleTab& resu) const
{
  double dt_= mon_equation->schema_temps().temps_courant() - mon_equation->schema_temps().temps_precedent();
 
  if (dt_<=0) return resu; // Do not compute this source term if dt<=0
 
  /*
   * The source term corresponds to :
   * d P_tot / d t = del P / del t + u.grad(P_tot)
   * Here grad(P_tot) = 0 (uniform in space)
   */
 
  const Fluide_Quasi_Compressible& FQC = ref_cast(Fluide_Quasi_Compressible,le_fluide.valeur());
  double Pth = FQC.pression_th(), Pthn = FQC.pression_thn();
  double dpth = ( Pth - Pthn ) / dt_;
  // resu+=dpth*volumes*porosites
  int nsom = resu.dimension(0);
  CDoubleArrView volumes_v = volumes.view_ro();
  CDoubleArrView porosites_v = porosites.view_ro();
  // ToDo_Kokkos:  DoubleArrView resu_v = resu.view_rw(); with resu as DoubleTab
  DoubleTabView resu_v = resu.view_rw();
  Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), nsom, KOKKOS_LAMBDA(
                         const int i)
  {
    resu_v(i, 0) += dpth * volumes_v(i) * porosites_v(i);
  });
  end_gpu_timer(__KERNEL_NAME__);
  /* Ne marche pas detect inf en debug: */
  /* DoubleVect vol(volumes);
  vol*=porosites;
  ajoute_alpha_v(resu, dpth, vol); */
  return resu;
}