Paroi_UTAU_IMP_VDF.cpp

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#include <Paroi_UTAU_IMP_VDF.h>
#include <Champ_Uniforme.h>
#include <Domaine_Cl_VDF.h>
#include <Dirichlet_paroi_fixe.h>
#include <Dirichlet_paroi_defilante.h>
#include <Fluide_Dilatable_base.h>
#include <Equation_base.h>
#include <Modele_turbulence_hyd_base.h>
 
Implemente_instanciable(Paroi_UTAU_IMP_VDF,"UTAU_IMP_VDF",Paroi_hyd_base_VDF);
 
//     printOn()
/////
 
Sortie& Paroi_UTAU_IMP_VDF::printOn(Sortie& s) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
//// readOn
//
 
Entree& Paroi_UTAU_IMP_VDF::readOn(Entree& s)
{
  return lire_donnees(s);
}
 
 
/////////////////////////////////////////////////////////////////////
//
//  Implementation des fonctions de la classe Paroi_UTAU_IMP_VDF
//
/////////////////////////////////////////////////////////////////////
 
 
int Paroi_UTAU_IMP_VDF::init_lois_paroi()
{
  init_lois_paroi_();
 
  return 1;
}
 
 
int Paroi_UTAU_IMP_VDF::calculer_hyd_BiK(DoubleTab& tab_k,DoubleTab& tab_eps)
{
// keps
  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();
  const DoubleTab& xv=domaine_VDF.xv() ;                   // centres de gravite des faces
  DoubleVect pos(dimension);
  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 visco=-1;
  if (sub_type(Champ_Uniforme,ch_visco_cin))
    {
      l_unif = 1;
      visco = 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_UTAU_IMP_VDF::calculer_hyd_BiK : visco = " << tab_visco.local_min_vect() << " <= 0 ? " << finl;
      throw;
    }
  //    tab_visco+=DMINFLOAT;
 
 
 
  int ndeb,nfin;
  int elem,ori;
  double signe;
  double norm_v;
  double d_visco;
 
  // 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_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 (l_unif)
                d_visco = visco;
              else
                d_visco = tab_visco[elem];
 
              // Calcul de la position
              for (int i=0; i<dimension; i++)
                pos[i]=xv(num_face,i);
 
 
              // Calcul de la contrainte tangentielle
 
              //double ustar = u_star->valeur_a_compo(pos,0);
              double ustar = calculer_utau(pos, norm_v, d_visco);
              double vit_frot = ustar*ustar;
 
              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.;
                }
            }
 
 
        }
    }
  Cisaillement_paroi_.echange_espace_virtuel();
  tab_k.echange_espace_virtuel();
  tab_eps.echange_espace_virtuel();
  return 1;
}
 
int Paroi_UTAU_IMP_VDF::calculer_hyd(DoubleTab& tab_k_eps)
{
  DoubleTab bidon(0);
  // bidon ne servira pas
  return calculer_hyd(tab_k_eps,1,bidon);
}
int Paroi_UTAU_IMP_VDF::calculer_hyd(DoubleTab& tab_nu_t,DoubleTab& tab_k)
{
  return calculer_hyd(tab_nu_t,0,tab_k);
}
 
 
int Paroi_UTAU_IMP_VDF::calculer_hyd(DoubleTab& tab1,int isKeps,DoubleTab& tab2)
{
  // si isKeps =1 tab1=tab_keps
  //                tab2 bidon
  // si isKeps=0 tab1=tab_nu_t
  //             tab2=tab_k
  //  Cerr<<" Paroi_UTAU_IMP_VDF::calculer_hyd"<<finl;
  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();
  const DoubleTab& xv=domaine_VDF.xv() ;                   // centres de gravite des faces
  DoubleVect pos(dimension);
  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 visco=-1;
  if (sub_type(Champ_Uniforme,ch_visco_cin))
    {
      l_unif = 1;
      visco = 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_UTAU_IMP_VDF::calculer_hyd : visco = " << tab_visco.local_min_vect() << " <= 0 ? " << finl;
      throw;
    }
  //    tab_visco+=DMINFLOAT;
 
 
 
  int ndeb,nfin;
  int elem,ori;
  double signe;
  double norm_v;
  double d_visco;
 
  // 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_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 (l_unif)
                d_visco = visco;
              else
                d_visco = tab_visco[elem];
 
              // Calcul de la position
              for (int i=0; i<dimension; i++)
                pos[i]=xv(num_face,i);
 
 
              // Calcul de la contrainte tangentielle
 
              //double ustar = u_star->valeur_a_compo(pos,0);
              double ustar = calculer_utau(pos, norm_v, d_visco);
              double vit_frot = ustar*ustar;
 
              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.;
                }
            }
 
 
        }
    }
  Cisaillement_paroi_.echange_espace_virtuel();
  tab1.echange_espace_virtuel();
  if (! isKeps) tab2.echange_espace_virtuel();
  return 1;
}