Op_Diff_K_Omega_VEF_Face.cpp

/****************************************************************************
* Copyright (c) 2019, CEA
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#include <Op_Diff_K_Omega_VEF_Face.h>
#include <Modele_turbulence_hyd_K_Omega.h>
#include <Champ_P1NC.h>
#include <Periodique.h>
#include <Neumann_paroi.h>
#include <Paroi_hyd_base_VEF.h>
#include <Discretisation_tools.h>
#include <Champ_Uniforme.h>
#include <Fluide_Incompressible.h>
 
Implemente_instanciable(Op_Diff_K_Omega_VEF_Face,
                        "Op_Diff_K_Omega_VEF_P1NC",
                        Op_Diff_K_Omega_VEF_base);
 
Sortie& Op_Diff_K_Omega_VEF_Face::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
Entree& Op_Diff_K_Omega_VEF_Face::readOn(Entree& s )
{
  return s ;
}
 
void Op_Diff_K_Omega_VEF_Face::compute(DoubleTab& tab_nu_turb_m) const
{
  const Domaine_VEF& domaine_VEF = le_dom_vef.valeur();
  const int is_SST_or_BSL = is_SST_or_BSL_;
  const double Sigma_K = Sigma_K_;
  const double Sigma_Omega = Sigma_Omega_;
  const double Sigma_K1 = Sigma_K1_;
  const double Sigma_K2 = Sigma_K2_;
  const double Sigma_OMEGA1 = Sigma_OMEGA1_;
  const double Sigma_OMEGA2 = Sigma_OMEGA2_;
  if (turbulence_model->is_SST_or_BSL() != is_SST_or_BSL) Process::exit("Error in Op_Diff_K_Omega_VEF_Face::ajouter");
  DoubleTrav tab_F1elem(domaine_VEF.nb_elem_tot(), 1);
  CDoubleArrView F1elem;
  if (is_SST_or_BSL)
    {
      Discretisation_tools::faces_to_cells(domaine_VEF, tab_F1_face_, tab_F1elem);
      F1elem = static_cast<const ArrOfDouble&>(tab_F1elem).view_ro();
    }
  const int nb_elem = domaine_VEF.nb_elem();
  CDoubleArrView nu_turb = static_cast<const ArrOfDouble&>(diffusivite_turbulente().valeurs()).view_ro();
  DoubleTabView nu_turb_m = tab_nu_turb_m.view_wo();
  Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), Kokkos::RangePolicy<>(0, nb_elem), KOKKOS_LAMBDA(const int elem)
  {
    double F1 = is_SST_or_BSL ? F1elem(elem) : 0;
    nu_turb_m(elem,0) = nu_turb(elem) * (is_SST_or_BSL*(F1*Sigma_K1 + (1 - F1)*Sigma_K2) + (1 - is_SST_or_BSL)*Sigma_K);
    nu_turb_m(elem,1) = nu_turb(elem) * (is_SST_or_BSL*(F1*Sigma_OMEGA1 + (1 - F1)*Sigma_OMEGA2)+ (1 - is_SST_or_BSL)*Sigma_Omega);
  });
  end_gpu_timer(__KERNEL_NAME__);
  tab_nu_turb_m.echange_espace_virtuel();
}
 
DoubleTab& Op_Diff_K_Omega_VEF_Face::ajouter(const DoubleTab& inconnue_org, DoubleTab& resu) const
{
  remplir_nu(nu_); // On remplit le tableau nu car ajouter peut se faire avant le premier pas de temps
 
  const int nb_comp = resu.line_size();
 
  DoubleTab& nu_turb_m = ref_cast_non_const(DoubleTab, nu_turb_m_);
  compute(nu_turb_m);
 
  // On dimensionne et initialise le tableau des bilans de flux:
  if (flux_bords_.dimension_tot(0)!=le_dom_vef->nb_faces_bord())
    flux_bords_.resize(le_dom_vef->nb_faces_bord(), nb_comp);
  flux_bords_ = 0.;
 
  ajouter_bord_gen<Type_Champ::SCALAIRE, true>(inconnue_org, resu, flux_bords_, nu_, nu_turb_m);
  ajouter_interne_gen<Type_Champ::SCALAIRE, true>(inconnue_org, resu, flux_bords_, nu_, nu_turb_m);
 
  modifier_flux(*this);
 
  return resu;
}
 
 
/////////////////////////////////////////
// Methode pour l'implicite
/////////////////////////////////////////
 
void Op_Diff_K_Omega_VEF_Face::contribuer_a_avec(const DoubleTab& inco,
                                                 Matrice_Morse& matrice) const
 
{
 
  modifier_matrice_pour_periodique_avant_contribuer(matrice, equation());
  remplir_nu(nu_); // On remplit le tableau nu car l'assemblage d'une matrice avec ajouter_contribution peut se faire avant le premier pas de temps
 
  DoubleTab& nu_turb_m = ref_cast_non_const(DoubleTab, nu_turb_m_);
  compute(nu_turb_m);
 
  int marq = phi_psi_diffuse(equation());
 
  DoubleTrav porosite_eventuelle(equation().milieu().porosite_face());
  porosite_eventuelle = equation().milieu().porosite_face();
  if (!marq) porosite_eventuelle = 1;
 
  ajouter_contribution_bord_gen<Type_Champ::SCALAIRE, false, true>(inco, matrice, nu_, nu_turb_m, porosite_eventuelle);
  ajouter_contribution_interne_gen<Type_Champ::SCALAIRE, false, true>(inco, matrice, nu_, nu_turb_m, porosite_eventuelle);
 
  modifier_matrice_pour_periodique_apres_contribuer(matrice, equation());
}
 
 
/*! @brief On modifie le second membre et la matrice dans le cas des conditions de dirichlet.
 *
 */
void Op_Diff_K_Omega_VEF_Face::modifier_pour_Cl(Matrice_Morse& matrice, DoubleTab& tab_secmem) const
{
  Op_Dift_VEF_base::modifier_pour_Cl(matrice, tab_secmem);
 
  // on recupere le tableau
  const Turbulence_paroi_base& mod=le_modele_turbulence->loi_paroi();
  const Paroi_hyd_base_VEF& paroi = ref_cast(Paroi_hyd_base_VEF, mod);
  const ArrOfInt& tab_face_komega_imposee = paroi.face_keps_imposee();
 
  if (tab_face_komega_imposee.size_array() > 0)
    {
      const int size = tab_secmem.dimension(0);
      const int nb_comp = equation().inconnue().valeurs().line_size();
      // en plus des dirichlets ????
      // on change la matrice et le resu sur toutes les lignes ou k_omega_ est imposee....
      CDoubleTabView val = equation().inconnue().valeurs().view_ro();
      CIntArrView face_komega_imposee = static_cast<const ArrOfInt&>(tab_face_komega_imposee).view_ro();
      auto tab1 = matrice.get_tab1().view_ro();
      auto coeff = matrice.get_set_coeff().view_rw();
      DoubleTabView secmem = tab_secmem.view_rw();
      Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), Kokkos::RangePolicy<>(0, size), KOKKOS_LAMBDA(const int face)
      {
        if (face_komega_imposee[face] != -2)
          {
            for (int comp = 0; comp < nb_comp; comp++)
              {
                // on doit remettre la ligne a l'identite et le secmem a l'inconnue
                int j = face * nb_comp + comp;
                const int idiag = tab1[j] - 1;
                coeff[idiag] = 1;
 
                // pour les voisins
                const int nbvois = tab1[j+1] - tab1[j];
                for (int k = 1; k < nbvois; k++)
                  coeff[idiag + k] = 0;
                secmem(face, comp) = val(face, comp);
              }
          }
      });
      end_gpu_timer(__KERNEL_NAME__);
    }
}