Paroi_std_hyd_VDF_diphasique.cpp

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#include <Paroi_std_hyd_VDF_diphasique.h>
#include <Domaine_Cl_VDF.h>
#include <Dirichlet_paroi_fixe.h>
#include <Dirichlet_paroi_defilante.h>
#include <Fluide_Quasi_Compressible.h>
#include <Equation_base.h>
#include <Fluide_Diphasique.h>
#include <Transport_Interfaces_FT_Disc.h>
#include <Probleme_base.h>
#include <Champ_Uniforme.h>
 
Implemente_instanciable( Paroi_std_hyd_VDF_diphasique, "loi_standard_hydr_diphasique_VDF", Paroi_std_hyd_VDF ) ;
 
Sortie& Paroi_std_hyd_VDF_diphasique::printOn( Sortie& os ) const
{
  return os << que_suis_je() << " " << le_nom();
}
 
Entree& Paroi_std_hyd_VDF_diphasique::readOn( Entree& is )
{
  Paroi_std_hyd_VDF::readOn(is);
  return is;
}
 
// tab1 = tab_nu_t and tab2 = tab_k
int Paroi_std_hyd_VDF_diphasique::calculer_hyd(DoubleTab& tab1, DoubleTab& tab2)
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_dis_.valeur());
  const IntVect& orientation = domaine_VDF.orientation();
  const IntTab& face_voisins = domaine_VDF.face_voisins();
  const Equation_base& eqn_hydr = mon_modele_turb_hyd->equation();
  const DoubleVect& vit = eqn_hydr.inconnue().valeurs();
 
  // Physical properties of both phases
  const Fluide_Diphasique& le_fluide = ref_cast(Fluide_Diphasique, eqn_hydr.milieu());
  const Fluide_Incompressible& phase_1 = le_fluide.fluide_phase(1);
  const Fluide_Incompressible& phase_0 = le_fluide.fluide_phase(0);
  const Champ_Don_base& ch_visco_cin_ph1 = phase_1.viscosite_cinematique();
  const Champ_Don_base& ch_visco_cin_ph0 = phase_0.viscosite_cinematique();
  const DoubleTab& tab_visco_ph1 = phase_1.viscosite_cinematique().valeurs();
  const DoubleTab& tab_visco_ph0 = phase_0.viscosite_cinematique().valeurs();
  const double delta_nu = tab_visco_ph1(0,0) - tab_visco_ph0(0,0);
 
  // One way to get the Transport equation to pass the indicator DoubleTab
  const Domaine_Cl_dis_base& domaine_Cl_dis_base = eqn_hydr.domaine_Cl_dis();
  const Equation_base& eqn_trans = domaine_Cl_dis_base.equation().probleme().equation("Transport_Interfaces_FT_Disc");
  const Transport_Interfaces_FT_Disc& eqn_interf = ref_cast(Transport_Interfaces_FT_Disc, eqn_trans);
  const DoubleTab& indic = eqn_interf.inconnue().valeurs();
 
  double visco_ph0=-1;
  int l_unif;
 
  if (sub_type(Champ_Uniforme,ch_visco_cin_ph1) && sub_type(Champ_Uniforme,ch_visco_cin_ph0))
    {
      visco_ph0 = std::max(tab_visco_ph0(0,0),DMINFLOAT);
      l_unif = 1;
    }
  else
    l_unif = 0;
  if ((!l_unif) && ((tab_visco_ph1.local_min_vect()<DMINFLOAT) || (tab_visco_ph0.local_min_vect()<DMINFLOAT) ))
    {
      Cerr << "Negative viscosity !!!" << finl;
      Process::exit();
    }
 
  int ndeb,nfin;
  int elem,ori;
  double norm_v;
  double dist;
  double u_plus_d_plus,d_visco;
  //double val,val1,val2;
 
  //****************************************************************
  // Modifs du 19/10 pour etre coherent avec la diffusion turbulente
  double signe;
  //****************************************************************
 
  // Boucle sur les bords
 
  for (int n_bord=0; n_bord<domaine_VDF.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);
      const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
      ndeb = le_bord.num_premiere_face();
      nfin = ndeb + le_bord.nb_faces();
 
      if (sub_type(Dirichlet_paroi_fixe,la_cl.valeur()) || sub_type(Dirichlet_paroi_defilante,la_cl.valeur() ))
        {
          int isdiri=0;
          DoubleTab vitesse_imposee_face_bord(le_bord.nb_faces(),dimension);
          if (sub_type(Dirichlet_paroi_defilante,la_cl.valeur()) )
            {
              isdiri=1;
              const Dirichlet_paroi_defilante& cl_diri = ref_cast(Dirichlet_paroi_defilante,la_cl.valeur());
              for (int face=ndeb; face<nfin; face++)
                for (int k=0; k<dimension; k++)
                  vitesse_imposee_face_bord(face-ndeb,k) = cl_diri.val_imp(face-ndeb,k);
            }
          ArrOfDouble vit_paroi(dimension);
          ArrOfDouble val(dimension-1);
 
 
          for (int num_face=ndeb; num_face<nfin; num_face++)
            {
              if (isdiri)
                {
                  int rang = num_face-ndeb;
                  for (int k=0; k<dimension; k++)
                    vit_paroi[k]=vitesse_imposee_face_bord(rang,k);
                }
              ori = orientation(num_face);
              if ( (elem =face_voisins(num_face,0)) != -1)
                {
                  //norm_v=norm_2D_vit(vit,elem,ori,domaine_VDF,val);
                  norm_v=norm_vit(vit,elem,ori,domaine_VDF,vit_paroi,val);
                  signe = -1.;
                }
              else
                {
                  elem = face_voisins(num_face,1);
                  //norm_v=norm_2D_vit(vit,elem,ori,domaine_VDF,val);
                  norm_v=norm_vit(vit,elem,ori,domaine_VDF,vit_paroi,val);
                  signe = 1.;
                }
              if (axi)
                dist=domaine_VDF.dist_norm_bord_axi(num_face);
              else
                dist=domaine_VDF.dist_norm_bord(num_face);
              if (l_unif)
                d_visco = visco_ph0 + indic(elem) * delta_nu;
              else
                d_visco = (tab_visco_ph0.nb_dim()==1 ? (tab_visco_ph0(elem) + indic(elem) * delta_nu) :
                           (tab_visco_ph0(elem,0) + indic(elem) * delta_nu));
 
              u_plus_d_plus = norm_v*dist/d_visco;
 
              // Calcul de u* et des grandeurs turbulentes:
 
 
              // tab1=tab_nu_t
              // tab2=tab_k
              //calculer_local(u_plus_d_plus,d_visco,tab_nu_t,tab_k,norm_v,dist,elem,num_face);
              calculer_local(u_plus_d_plus,d_visco,tab1,tab2,norm_v,dist,elem,num_face);
 
              // Calcul de la contrainte tangentielle
 
              double vit_frot = tab_u_star(num_face)*tab_u_star(num_face);
 
              if (ori == 0)
                {
                  Cisaillement_paroi_(num_face,1) = vit_frot*val[0]*signe;
                  if (dimension==3)
                    Cisaillement_paroi_(num_face,2) = vit_frot*val[1]*signe;
                  Cisaillement_paroi_(num_face,0) = 0.;
                }
              else if (ori == 1)
                {
                  Cisaillement_paroi_(num_face,0) = vit_frot*val[0]*signe;
                  if (dimension==3)
                    Cisaillement_paroi_(num_face,2) = vit_frot*val[1]*signe;
                  Cisaillement_paroi_(num_face,1) = 0.;
                }
              else
                {
                  Cisaillement_paroi_(num_face,0) = vit_frot*val[0]*signe;
                  Cisaillement_paroi_(num_face,1) = vit_frot*val[1]*signe;
                  Cisaillement_paroi_(num_face,2) = 0.;
                }
 
              // Calcul de u+ d+
              calculer_uplus_dplus(uplus_, tab_d_plus_, tab_u_star_, num_face, dist, d_visco, norm_v) ;
            }
 
 
        }
    }
  Cisaillement_paroi_.echange_espace_virtuel();
  tab1.echange_espace_virtuel();
  tab2.echange_espace_virtuel();
 
  return 1;
 
}
 
int Paroi_std_hyd_VDF_diphasique::calculer_hyd(DoubleTab& tab_k_eps)
{
  Cerr << " Paroi_std_hyd_VDF_diphasique::calculer_hyd(DoubleTab& tab_k_eps) " << finl;
  Cerr <<  "on ne doit pas entrer dans cette methode" << finl;
  Cerr << " car elle est definie uniquement pour la LES " << finl ;
  Process::exit();
  return 1 ;
} // fin de calcul_hyd (K-eps)