Loi_paroi_base.cpp

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#include <Echange_global_impose_turbulent.h>
#include <Frottement_impose_base.h>
#include <Dirichlet_loi_paroi.h>
#include <Discretisation_base.h>
#include <Loi_paroi_base.h>
#include <Cond_lim_base.h>
#include <Pb_Multiphase.h>
#include <Domaine_VF.h>
#include <TRUSTTrav.h>
#include <math.h>
 
Implemente_base(Loi_paroi_base, "Loi_paroi_base", Correlation_base);
 
Sortie& Loi_paroi_base::printOn(Sortie& os) const { return os; }
 
Entree& Loi_paroi_base::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("eps_y_p", &eps_y_p_);
  param.lire_avec_accolades_depuis(is);
  return is;
}
 
void Loi_paroi_base::completer()
{
  Domaine_VF& domaine = ref_cast(Domaine_VF, pb_->domaine_dis());
  int nf_tot = domaine.nb_faces_tot();
 
  // We create the table that enables us to know for which BC we must calculate the boundary law
  Faces_a_calculer_.resize(nf_tot, 1);
  domaine.creer_tableau_faces(Faces_a_calculer_);
 
  for (int i = 0; i < pb_->nombre_d_equations(); i++)
    for (int j = 0; j < pb_->equation(i).domaine_Cl_dis().nb_cond_lim(); j++)
      {
        Cond_lim& cond_lim_loc = pb_->equation(i).domaine_Cl_dis().les_conditions_limites(j);
        if (sub_type(Dirichlet_loi_paroi, cond_lim_loc.valeur()))
          ref_cast(Dirichlet_loi_paroi, cond_lim_loc.valeur()).liste_faces_loi_paroi(Faces_a_calculer_);  // met des 1 si doit remplir la table
        else if (sub_type(Frottement_impose_base, cond_lim_loc.valeur()))
          ref_cast(Frottement_impose_base, cond_lim_loc.valeur()).liste_faces_loi_paroi(Faces_a_calculer_);  // met des 1 si doit remplir la table
        else if (sub_type(Echange_global_impose_turbulent, cond_lim_loc.valeur()))
          ref_cast(Echange_global_impose_turbulent, cond_lim_loc.valeur()).liste_faces_loi_paroi(Faces_a_calculer_);  // met des 1 si doit remplir la table
      }
  Faces_a_calculer_.echange_espace_virtuel();
 
  valeurs_loi_paroi_["y_plus"] = DoubleTab(nf_tot, 1); // pour l'instant, turbulence dans seulement une phase
  valeurs_loi_paroi_["u_tau"] = DoubleTab(nf_tot, 1);
  valeurs_loi_paroi_["y"] = DoubleTab(nf_tot, 1); // Attention : pour un meme maillage, depuis PolyMAC_MPFA_vec le y n'est pas le meme en vdf et en PolyMAC_CDO pour le meme maillage a cause de l'histoire de la vitesse non nulle a la face de bord.
 
  DoubleTab& tab_y_p = valeurs_loi_paroi_["y_plus"];
  for (int i = 0; i < tab_y_p.dimension_tot(0); i++)
    for (int n = 0; n < tab_y_p.dimension_tot(1); n++)
      tab_y_p(i, n) = ((i < nf_tot) && (Faces_a_calculer_(i, 0))) ? 1 : -1.;
 
  const IntTab& f_e = domaine.face_voisins();
 
  const bool is_PolyMAC_MPFA = pb_->discretisation().is_PolyMAC_MPFA(), is_vdf = pb_->discretisation().is_vdf();
  DoubleTab& tab_y = valeurs_loi_paroi_["y"];
  for (int f = 0; f < tab_y.dimension_tot(0); f++)
    for (int n = 0; n < tab_y.dimension_tot(1); n++)
      {
        if ((is_vdf) || (is_PolyMAC_MPFA))
          tab_y(f, n) = (Faces_a_calculer_(f, 0)) ? (f_e(f, 0) >= 0 ? domaine.dist_face_elem0(f, f_e(f, 0)) : domaine.dist_face_elem1(f, f_e(f, 1))) : -1;
        else
          Process::exit(que_suis_je() + " : you cannot have a wall law with this discretization yet ! But you are welcome to add it in the code if you so choose");
      }
}
 
void Loi_paroi_base::mettre_a_jour(double temps)
{
  if (temps > tps_loc)
    {
      const DoubleTab& vit = pb_->get_champ("vitesse").passe();
      const DoubleTab& nu  = ref_cast(Fluide_base, pb_->milieu()).viscosite_cinematique().valeurs();
      calc_y_plus(vit, nu);
 
      if (sub_type(Navier_Stokes_std, pb_->equation(0)) && pb_->has_champ("y_plus"))
        {
          Domaine_VF& domaine = ref_cast(Domaine_VF, pb_->domaine_dis());
          const IntTab& f_e = domaine.face_voisins();
          int nf_tot = domaine.nb_faces_tot(), ne_tot = domaine.nb_elem_tot();
          DoubleTab& y_p = valeurs_loi_paroi_["y_plus"];
          DoubleTrav y_p_e(ne_tot, 1);
          for (int f = 0; f < nf_tot; f++)
            if (Faces_a_calculer_(f, 0) == 1)
              {
                int c = (f_e(f, 0) >= 0) ? 0 : 1;
                if (f_e(f, (c == 0) ? 1 : 0) >= 0)
                  Process::exit("Error in the definition of the boundary conditions for wall laws");
                int e = f_e(f, c);
                y_p_e(e, 0) = y_p(f, 0);
              }
          ref_cast(Navier_Stokes_std, pb_->equation(0)).update_y_plus(y_p_e);
        }
      tps_loc = temps;
    }
}