Paroi_std_scal_hyd_VEF.cpp

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#include <Paroi_std_scal_hyd_VEF.h>
#include <Paroi_std_hyd_VEF.h>
#include <Probleme_base.h>
#include <Champ_Uniforme.h>
#include <Dirichlet_paroi_fixe.h>
#include <Dirichlet_paroi_defilante.h>
#include <Champ_Uniforme_Morceaux.h>
#include <Champ_Fonc_Tabule.h>
#include <Champ_Fonc_Tabule_P0_VEF.h>
#include <Fluide_base.h>
#include <Modele_turbulence_hyd_base.h>
#include <Convection_Diffusion_Concentration.h>
#include <Modele_turbulence_scal_base.h>
#include <Constituant.h>
#include <SFichier.h>
#include <Param.h>
#include <Paroi_decalee_Robin.h>
 
 
Implemente_instanciable_sans_constructeur(Paroi_std_scal_hyd_VEF,"loi_standard_hydr_scalaire_VEF",Paroi_scal_hyd_base_VEF);
Implemente_instanciable(Loi_expert_scalaire_VEF,"Loi_expert_scalaire_VEF",Paroi_std_scal_hyd_VEF);
 
//     printOn()
/////
 
Sortie& Paroi_std_scal_hyd_VEF::printOn(Sortie& s) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
//// readOn
//
 
Entree& Paroi_std_scal_hyd_VEF::readOn(Entree& s)
{
  return s ;
}
 
//     printOn()
/////
 
Sortie& Loi_expert_scalaire_VEF::printOn(Sortie& s) const
{
  return s;
}
 
//// readOn
//
 
Entree& Loi_expert_scalaire_VEF::readOn(Entree& s)
{
  Param param(que_suis_je());
  param.ajouter("prdt_sur_kappa",&Prdt_sur_kappa_);
  param.ajouter("calcul_ldp_en_flux_impose",&calcul_ldp_en_flux_impose_);
  param.ajouter_condition("(value_of_calcul_ldp_en_flux_impose_eq_0)_or_(value_of_calcul_ldp_en_flux_impose_eq_1)","calcul_ldp_en_flux_impose must be 0 or 1");
  param.lire_avec_accolades_depuis(s);
  return s ;
}
 
/////////////////////////////////////////////////////////////////////
//
//  Implementation des fonctions de la classe Paroi_std_hyd_VEF
//
/////////////////////////////////////////////////////////////////////
 
int Paroi_std_scal_hyd_VEF::init_lois_paroi()
{
  return (Paroi_scal_hyd_base_VEF::init_lois_paroi() & init_lois_paroi_scalaire());
}
 
int Paroi_std_scal_hyd_VEF::calculer_scal(Champ_Fonc_base& diffusivite_turb)
{
  const Domaine_VEF& domaine_VEF = ref_cast(Domaine_VEF, le_dom_dis_.valeur());
 
  Equation_base& eqn_hydr = mon_modele_turb_scal->equation().probleme().equation(0);
  const Fluide_base& le_fluide = ref_cast(Fluide_base,eqn_hydr.milieu());
  const Champ_Don_base& ch_visco_cin = le_fluide.viscosite_cinematique();
  const DoubleTab& tab_visco = ch_visco_cin.valeurs();
  int l_unif;
 
  double visco0=-1;
  if (sub_type(Champ_Uniforme,ch_visco_cin))
    {
      l_unif = 1;
      visco0 = std::max(tab_visco(0,0),DMINFLOAT);
    }
  else
    l_unif = 0;
 
  if ((!l_unif) && (tab_visco.local_min_vect()<DMINFLOAT))
    //   on ne doit pas changer tab_visco ici !
    {
      Cerr << "In Paroi_std_scal_hyd_VEF::calculer_scal : visco = " << tab_visco.local_min_vect() << " <= 0 ? " << finl;
      throw;
    }
  //    tab_visco+=DMINFLOAT;
 
  const RefObjU& modele_turbulence_hydr = eqn_hydr.get_modele(TURBULENCE);
  const Modele_turbulence_hyd_base& le_modele = ref_cast(Modele_turbulence_hyd_base,modele_turbulence_hydr.valeur());
  const Turbulence_paroi_base& loi = le_modele.loi_paroi();
  const DoubleVect& tab_u_star = loi.tab_u_star();
  const Equation_base& eqn = mon_modele_turb_scal->equation();
  // Recuperation de la diffusivite en fonction du type d'equation:
  int schmidt = (sub_type(Convection_Diffusion_Concentration,eqn) ? 1 : 0);
  const Champ_Don_base& champ_alpha = (schmidt==1?ref_cast(Convection_Diffusion_Concentration,eqn).constituant().diffusivite_constituant():le_fluide.diffusivite());
  int alpha_uniforme = (sub_type(Champ_Uniforme,champ_alpha) ? 1 : 0);
  const DoubleTab& tab_alpha = champ_alpha.valeurs();
 
  // Verifications (l'algorithme n'est valable que si d_alpha est le meme pour chaque constituant)
  if (schmidt)
    {
      if (alpha_uniforme)
        {
          double d_alpha = tab_alpha(0,0);
          assert(ref_cast(Convection_Diffusion_Concentration,eqn).constituant().nb_constituants()==tab_alpha.line_size());
          for (int nc=0; nc<tab_alpha.line_size(); nc++)
            {
              if (d_alpha!=tab_alpha(0,nc))
                {
                  Cerr << "Error!" << finl;
                  Cerr << "Law of the wall are not implemented yet for constituants with different diffusion coefficients." << finl;
                  Process::exit();
                }
            }
        }
      else
        {
          const int size = tab_alpha.dimension(0);
          const int nb_comp = tab_alpha.line_size();
          CDoubleTabView alpha = tab_alpha.view_ro();
          Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), size, KOKKOS_LAMBDA(const int elem)
          {
            double d_alpha = alpha(elem,0);
            for (int nc=0; nc<nb_comp; nc++)
              if (d_alpha!=alpha(elem,nc))
                Process::Kokkos_exit("Error, Law of the wall are not implemented yet for constituants with different diffusion coefficients.");
          });
          end_gpu_timer(__KERNEL_NAME__);
        }
    }
 
  // Boucle sur les bords:
  for (int n_bord=0; n_bord<domaine_VEF.nb_front_Cl(); n_bord++)
    {
      // pour chaque condition limite on regarde son type
      // On applique les lois de paroi uniquement
      // aux voisinages des parois
      const Cond_lim& la_cl = le_dom_Cl_dis_->les_conditions_limites(n_bord);
      if ( (sub_type(Dirichlet_paroi_fixe,la_cl.valeur()))
           || (sub_type(Dirichlet_paroi_defilante,la_cl.valeur()))
           || (sub_type(Symetrie,la_cl.valeur()))
           || (sub_type(Paroi_decalee_Robin,la_cl.valeur())) )
        {
          if (axi) Process::exit("Error: the axisymmetric VEF case is not yet implemented in the scalar wall-function.");
          const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
          int size=le_bord.nb_faces();
          DoubleVect& tab_dist_equiv = equivalent_distance_[n_bord];
          const double delta = sub_type(Paroi_decalee_Robin,la_cl.valeur()) ? ref_cast(Paroi_decalee_Robin,la_cl.valeur()).get_delta() : -1;
          DoubleTab& tab_alpha_t = diffusivite_turb.valeurs();
          const double Prdt_sur_kappa = Prdt_sur_kappa_;
          CIntTabView face_voisins = domaine_VEF.face_voisins().view_ro();
          CDoubleArrView volumes_maille = static_cast<const ArrOfDouble&>(domaine_VEF.volumes()).view_ro();
          CDoubleArrView surfaces_face = static_cast<const ArrOfDouble&>(domaine_VEF.face_surfaces()).view_ro();
          CDoubleArrView u_star = static_cast<const ArrOfDouble&>(tab_u_star).view_ro();
          CDoubleTabView alpha = tab_alpha.view_ro();
          CDoubleTabView visco = tab_visco.view_ro();
          CIntArrView le_bord_num_face = le_bord.num_face().view_ro();
          CDoubleArrView alpha_t = static_cast<const ArrOfDouble&>(tab_alpha_t).view_ro();
          DoubleArrView dist_equiv = static_cast<ArrOfDouble&>(tab_dist_equiv).view_rw();
          Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), size, KOKKOS_LAMBDA(const int ind_face)
          {
            const int num_face = le_bord_num_face(ind_face);
            // We search the element touching the wall on the face "num_face".
            int elem = face_voisins(num_face,0);
            if (elem == -1)
              elem = face_voisins(num_face,1);
 
            // We calculate the distance to the wall of the center of gravity of the element.
            // Expression de dist en fonction  du volume de l element et de l aire de la face
            const double dist = delta>0 ? delta : volumes_maille(elem)/surfaces_face(num_face);
 
            // Alex. C. : 11/04/2003
            const double u_star_val = u_star(num_face);
            const double d_alpha = alpha_uniforme ? alpha(0,0) : alpha(elem,0);
            if (u_star_val == 0 || d_alpha==0)
              dist_equiv(ind_face) = dist;
            else
              {
                // calcul de la viscosite en y+
                const double d_visco = l_unif ? visco0 : visco(elem,0);
                const double Pr = d_visco/d_alpha;
                const double y_plus = dist*u_star_val/d_visco;
                dist_equiv(ind_face) = (d_alpha + alpha_t(elem)) * T_plus(y_plus,Pr,Prdt_sur_kappa) / u_star_val;
              }
          });
          end_gpu_timer(__KERNEL_NAME__);
          tab_dist_equiv.echange_espace_virtuel();
        }
    }
  return 1;
}
 
int Paroi_std_scal_hyd_VEF::init_lois_paroi_scalaire()
{
  return 1;
}