Op_Conv_PolyMAC_CDO_iterateur_base.cpp

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#include <Op_Conv_PolyMAC_CDO_iterateur_base.h>
#include <Modifier_pour_fluide_dilatable.h>
#include <Discretisation_base.h>
#include <Probleme_base.h>
#include <TRUSTTrav.h>
 
 
Implemente_base(Op_Conv_PolyMAC_CDO_iterateur_base, "Op_Conv_PolyMAC_CDO_iterateur_base", Operateur_Conv_base);
 
Sortie& Op_Conv_PolyMAC_CDO_iterateur_base::printOn(Sortie& s) const
{
  return s << que_suis_je();
}
 
Entree& Op_Conv_PolyMAC_CDO_iterateur_base::readOn(Entree& s)
{
  return s;
}
 
inline void eval_fluent(const double psc, const int num1, const int num2, DoubleVect& fluent)
{
  if (psc >= 0)
    fluent[num2] += psc;
  else
    fluent[num1] -= psc;
}
 
double Op_Conv_PolyMAC_CDO_iterateur_base::calculer_dt_stab() const
{
  const Domaine_PolyMAC_CDO& domaine_PolyMAC_CDO = iter_->domaine();
  const Domaine_Cl_PolyMAC_family& Domaine_Cl_PolyMAC_family = iter_->domaine_Cl();
  const IntTab& face_voisins = domaine_PolyMAC_CDO.face_voisins();
  const DoubleVect& volumes = domaine_PolyMAC_CDO.volumes();
  const DoubleVect& face_surfaces = domaine_PolyMAC_CDO.face_surfaces();
  const DoubleVect& vit_associe = vitesse().valeurs();
  const DoubleVect& vit = (vitesse_pour_pas_de_temps_ ? vitesse_pour_pas_de_temps_->valeurs() : vit_associe);
  DoubleTab fluent;
  // fluent is initialized to zero by default:
  domaine_PolyMAC_CDO.domaine().creer_tableau_elements(fluent);
 
  // Fill the fluent array
  double psc;
  int num1, num2, face;
  int elem1;
 
  // Process boundaries
  for (int n_bord = 0; n_bord < domaine_PolyMAC_CDO.nb_front_Cl(); n_bord++)
    {
 
      const Cond_lim& la_cl = Domaine_Cl_PolyMAC_family.les_conditions_limites(n_bord);
 
      if ( sub_type(Dirichlet_entree_fluide,la_cl.valeur()) || sub_type(Neumann_sortie_libre, la_cl.valeur()))
 
        {
          const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
          num1 = le_bord.num_premiere_face();
          num2 = num1 + le_bord.nb_faces();
          for (face = num1; face < num2; face++)
            {
              psc = vit[face] * face_surfaces(face);
              if ((elem1 = face_voisins(face, 0)) != -1)
                {
                  if (psc < 0)
                    fluent[elem1] -= psc;
                }
              else // (elem2 != -1)
                if (psc > 0)
                  fluent[face_voisins(face, 1)] += psc;
            }
        }
    }
 
  // Loop over internal faces to fill fluent
  int domaine_PolyMAC_CDO_nb_faces = domaine_PolyMAC_CDO.nb_faces();
  int premiere_face = domaine_PolyMAC_CDO.premiere_face_int();
  for (face = premiere_face; face < domaine_PolyMAC_CDO_nb_faces; face++)
    {
      psc = vit[face] * face_surfaces(face);
      eval_fluent(psc, face_voisins(face, 0), face_voisins(face, 1), fluent);
    }
 
  // Compute the stability time step from the fluent array
  if (vitesse().le_nom() == "rho_u" && equation().probleme().is_dilatable())
    diviser_par_rho_si_dilatable(fluent, equation().milieu());
  double dt_stab = 1.e30;
  int domaine_PolyMAC_CDO_nb_elem = domaine_PolyMAC_CDO.nb_elem();
  // dt_stab = min ( 1 / ( |U|/dx + |V|/dy + |W|/dz ) )
  for (int num_poly = 0; num_poly < domaine_PolyMAC_CDO_nb_elem; num_poly++)
    {
      double dt_elem = volumes(num_poly) / (fluent[num_poly] + DMINFLOAT);
      if (dt_elem < dt_stab)
        dt_stab = dt_elem;
    }
  dt_stab = Process::mp_min(dt_stab);
 
  // trick to work around the const type of the method
  Op_Conv_PolyMAC_CDO_iterateur_base& op = ref_cast_non_const(Op_Conv_PolyMAC_CDO_iterateur_base, *this);
  op.fixer_dt_stab_conv(dt_stab);
  return dt_stab;
}
 
// cf Op_Conv_PolyMAC_CDO_iterateur_base::calculer_dt_stab() for the choice of dt_stab computation
void Op_Conv_PolyMAC_CDO_iterateur_base::calculer_pour_post(Champ_base& espace_stockage, const Nom& option, int comp) const
{
  if (Motcle(option) == "stabilite")
    {
      DoubleTab& es_valeurs = espace_stockage.valeurs();
      es_valeurs = 1.e30;
 
      const Domaine_PolyMAC_CDO& domaine_PolyMAC_CDO = iter_->domaine();
      const Domaine_Cl_PolyMAC_family& Domaine_Cl_PolyMAC_family = iter_->domaine_Cl();
      const IntTab& face_voisins = domaine_PolyMAC_CDO.face_voisins();
      const DoubleVect& volumes = domaine_PolyMAC_CDO.volumes();
      const DoubleVect& face_surfaces = domaine_PolyMAC_CDO.face_surfaces();
      const DoubleVect& vit = vitesse().valeurs();
      DoubleTrav fluent(domaine_PolyMAC_CDO.domaine().nb_elem_tot());
 
      // Fill the fluent array
 
      fluent = 0;
      double psc;
      int num1, num2, face;
      int elem1;
 
      // Process boundaries
 
      for (int n_bord = 0; n_bord < domaine_PolyMAC_CDO.nb_front_Cl(); n_bord++)
        {
 
          const Cond_lim& la_cl = Domaine_Cl_PolyMAC_family.les_conditions_limites(n_bord);
 
          if ( sub_type(Dirichlet_entree_fluide,la_cl.valeur()) || sub_type(Neumann_sortie_libre, la_cl.valeur()))
 
            {
              const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
              num1 = le_bord.num_premiere_face();
              num2 = num1 + le_bord.nb_faces();
              for (face = num1; face < num2; face++)
                {
                  psc = vit[face] * face_surfaces(face);
                  if ((elem1 = face_voisins(face, 0)) != -1)
                    {
                      if (psc < 0)
                        fluent[elem1] -= psc;
                    }
                  else // (elem2 != -1)
                    if (psc > 0)
                      fluent[face_voisins(face, 1)] += psc;
                }
            }
        }
 
      // Loop over internal faces to fill fluent
      int domaine_PolyMAC_CDO_nb_faces = domaine_PolyMAC_CDO.nb_faces();
      for (face = domaine_PolyMAC_CDO.premiere_face_int(); face < domaine_PolyMAC_CDO_nb_faces; face++)
        {
          psc = vit[face] * face_surfaces(face);
          eval_fluent(psc, face_voisins(face, 0), face_voisins(face, 1), fluent);
        }
      //fluent.echange_espace_virtuel();
      if (vitesse().le_nom() == "rho_u" && equation().probleme().is_dilatable())
        diviser_par_rho_si_dilatable(fluent, equation().milieu());
 
      int domaine_PolyMAC_CDO_nb_elem = domaine_PolyMAC_CDO.nb_elem();
      for (int num_poly = 0; num_poly < domaine_PolyMAC_CDO_nb_elem; num_poly++)
        {
          es_valeurs(num_poly) = volumes(num_poly) / (fluent[num_poly] + 1.e-30);
        }
 
      //double dt_min = mp_min_vect(es_valeurs);
      //assert(dt_min==calculer_dt_stab());
    }
  else
    Operateur_Conv_base::calculer_pour_post(espace_stockage, option, comp);
}
 
Motcle Op_Conv_PolyMAC_CDO_iterateur_base::get_localisation_pour_post(const Nom& option) const
{
  Motcle loc;
  if (Motcle(option) == "stabilite")
    loc = "elem";
  else
    return Operateur_Conv_base::get_localisation_pour_post(option);
  return loc;
}
 
void Op_Conv_PolyMAC_CDO_iterateur_base::completer()
{
  Operateur_base::completer();
  iter_->completer_();
}
void Op_Conv_PolyMAC_CDO_iterateur_base::associer_domaine_cl_dis(const Domaine_Cl_dis_base& zcl)
{
  iter_->associer_domaine_cl_dis(zcl);
}
 
int Op_Conv_PolyMAC_CDO_iterateur_base::impr(Sortie& os) const
{
  return iter_->impr(os);
}