Modele_turbulence_hyd_LES_VDF.cpp

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#include <Modele_turbulence_hyd_LES_VDF.h>
#include <Dirichlet_entree_fluide_leaves.h>
#include <Paroi_negligeable_VDF.h>
#include <Neumann_sortie_libre.h>
#include <Dirichlet_paroi_fixe.h>
#include <Schema_Temps_base.h>
#include <Domaine_Cl_VDF.h>
#include <Equation_base.h>
#include <Periodique.h>
#include <TRUSTTrav.h>
#include <Symetrie.h>
#include <Debog.h>
#include <Param.h>
 
Implemente_instanciable(Modele_turbulence_hyd_LES_VDF, "Modele_turbulence_hyd_sous_maille_VDF", Modele_turbulence_hyd_LES_VDF_base);
 
Sortie& Modele_turbulence_hyd_LES_VDF::printOn(Sortie& s) const { return s << que_suis_je() << " " << le_nom(); }
 
Entree& Modele_turbulence_hyd_LES_VDF::readOn(Entree& s) { return Modele_turbulence_hyd_LES_VDF_base::readOn(s); }
 
void Modele_turbulence_hyd_LES_VDF::set_param(Param& param) const
{
  Modele_turbulence_hyd_LES_VDF_base::set_param(param);
  param.ajouter_non_std("formulation_a_nb_points", (this));
}
 
int Modele_turbulence_hyd_LES_VDF::lire_motcle_non_standard(const Motcle& mot, Entree& is)
{
  if (mot == "formulation_a_nb_points")
    {
      is >> nb_points_; // nb_points= 4 ou 6
      if ((nb_points_ != 4) && (nb_points_ != 6))
        {
          Cerr << "Read keyword is :" << mot << finl;
          Cerr << "Error while reading the subgrid model." << finl;
          Cerr << "You have indicated " << nb_points_ << " points " << finl;
          Cerr << "while this model is available only for 4 or 6 points" << finl;
          Process::exit();
        }
      Cerr << "Structure fonction formulation at " << nb_points_ << " points" << finl;
      if (nb_points_ == 4)
        {
          is >> dir1_;
          is >> dir2_;
          assert(dir1_ != dir2_);
          Cerr << "The wall is parallel to the plane (x_" << dir1_ << ",x_" << dir2_ << ")" << finl;
          if (((dir1_ == 0) && (dir2_ == 1)) || ((dir1_ == 1) && (dir2_ == 0)))
            dir3_ = 2;
          if (((dir1_ == 0) && (dir2_ == 2)) || ((dir1_ == 2) && (dir2_ == 0)))
            dir3_ = 1;
          if (((dir1_ == 1) && (dir2_ == 2)) || ((dir1_ == 2) && (dir2_ == 1)))
            dir3_ = 0;
        }
      return 1;
    }
  else
    return Modele_turbulence_hyd_LES_VDF_base::lire_motcle_non_standard(mot, is);
}
 
Champ_Fonc_base& Modele_turbulence_hyd_LES_VDF::calculer_viscosite_turbulente()
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  double temps = mon_equation_->inconnue().temps();
  DoubleTab& visco_turb = la_viscosite_turbulente_->valeurs();
  int nb_poly = domaine_VDF.domaine().nb_elem();
  int nb_poly_tot = domaine_VDF.domaine().nb_elem_tot();
 
  F2_.resize(nb_poly_tot);
 
  calculer_fonction_structure();
 
  if (visco_turb.size() != nb_poly)
    {
      Cerr << "Size error for the array containing the values of the turbulent viscosity." << finl;
      Process::exit();
    }
 
  Debog::verifier("Modele_turbulence_hyd_LES_VDF::calculer_viscosite_turbulente visco_turb 0", visco_turb);
 
  for (int elem = 0; elem < nb_poly; elem++)
    visco_turb[elem] = Csm1_ * l_(elem) * sqrt(F2_[elem]);
 
  Debog::verifier("Modele_turbulence_hyd_LES_VDF::calculer_viscosite_turbulente visco_turb 1", visco_turb);
 
  la_viscosite_turbulente_->changer_temps(temps);
  return la_viscosite_turbulente_;
}
 
void Modele_turbulence_hyd_LES_VDF::calculer_energie_cinetique_turb()
{
  double temps = mon_equation_->inconnue().temps();
  DoubleVect& k = energie_cinetique_turb_->valeurs();
  int nb_poly = ref_cast(Domaine_VDF, le_dom_VF_.valeur()).domaine().nb_elem();
 
  if (k.size() != nb_poly)
    {
      Cerr << "Size error for the array containing the values of the turbulent kinetic energy." << finl;
      Process::exit();
    }
 
  for (int elem = 0; elem < nb_poly; elem++)
    k[elem] = Csm2_ * F2_[elem];
 
  energie_cinetique_turb_->changer_temps(temps);
}
 
void Modele_turbulence_hyd_LES_VDF::calculer_fonction_structure()
{
 
  const DoubleTab& vitesse = mon_equation_->inconnue().valeurs();
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  int nb_poly = domaine_VDF.domaine().nb_elem();
  int nb_poly_tot = domaine_VDF.domaine().nb_elem_tot();
  const IntTab& face_voisins = domaine_VDF.face_voisins();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
  const IntTab& Qdm = domaine_VDF.Qdm();
  const IntVect& orientation = domaine_VDF.orientation();
  //  int nb_face_entier = domaine_VDF.nb_faces_internes();
  DoubleTrav F_Elem(nb_poly_tot, dimension);
  int num0, num1, num2, num3;
  int k1, k2;
  double diff1, diff2, aux;
 
  // Dans le tableau F_Elem on stocke les fonctions de structure dans
  // chacune des directions d'espace
  // F_Elem(num_elem,0)  Fonction de structure dans la direction X
  //                             au noeud num_elem
  // F_Elem(num_elem,1) Fonction de structure dans la direction Y
  // F_Elem(num_elem,2) Fonction de structure dans la direction Z
  //
  // Principe de calcul des Fonctions de structure directionnelles:
  //
  //              2
  // F_X = (Ug-Ud)  + 1/4[ F_X(arete_XY_1) + F_X(arete_XY_2 ) +
  //                       F_X(arete_XY_3) + F_X(arete_XY_4)]
  //
  // On va calculer 0.25*F_X(arete_XY) et le distribuer aux 4
  // elements adjacents
 
  double diff;
 
  if (dimension == 3)  //dimension == 3
    {
      int num_elem;
 
      //NYB :
      for (num_elem = 0; num_elem < nb_poly; num_elem++)
        {
 
          diff = vitesse[elem_faces(num_elem, 0)] - vitesse[elem_faces(num_elem, 3)];
          F_Elem(num_elem, 0) = diff * diff;
          diff = vitesse[elem_faces(num_elem, 1)] - vitesse[elem_faces(num_elem, 4)];
          F_Elem(num_elem, 1) = diff * diff;
          diff = vitesse[elem_faces(num_elem, 2)] - vitesse[elem_faces(num_elem, 5)];
          F_Elem(num_elem, 2) = diff * diff;
        }
 
      //*******************************
      // Traitement des aretes internes
      //*******************************
      int ndeb = domaine_VDF.premiere_arete_interne();
      int nfin = ndeb + domaine_VDF.nb_aretes_internes();
      int num_arete;
 
      for (num_arete = ndeb; num_arete < nfin; num_arete++)
        {
          num0 = Qdm(num_arete, 0);
          num1 = Qdm(num_arete, 1);
          num2 = Qdm(num_arete, 2);
          num3 = Qdm(num_arete, 3);
 
          aux = vitesse[num1] - vitesse[num0];
          diff1 = 0.25 * aux * aux;
          aux = vitesse[num3] - vitesse[num2];
          diff2 = 0.25 * aux * aux;
          k1 = orientation(num0);
          k2 = orientation(num2);
 
          F_Elem(face_voisins(num0, 0), k2) += diff1;
          F_Elem(face_voisins(num0, 1), k2) += diff1;
          F_Elem(face_voisins(num1, 0), k2) += diff1;
          F_Elem(face_voisins(num1, 1), k2) += diff1;
          F_Elem(face_voisins(num2, 0), k1) += diff2;
          F_Elem(face_voisins(num2, 1), k1) += diff2;
          F_Elem(face_voisins(num3, 0), k1) += diff2;
          F_Elem(face_voisins(num3, 1), k1) += diff2;
 
        }
 
      //*******************************
      // Traitement des aretes mixtes
      //*******************************
      ndeb = domaine_VDF.premiere_arete_mixte();
      nfin = ndeb + domaine_VDF.nb_aretes_mixtes();
 
      for (num_arete = ndeb; num_arete < nfin; num_arete++)
        {
          num0 = Qdm(num_arete, 0);
          num1 = Qdm(num_arete, 1);
          num2 = Qdm(num_arete, 2);
          num3 = Qdm(num_arete, 3);
 
          aux = vitesse[num1] - vitesse[num0];
          diff1 = 0.25 * aux * aux;
          aux = vitesse[num3] - vitesse[num2];
          diff2 = 0.25 * aux * aux;
          k1 = orientation(num0);
          k2 = orientation(num2);
 
          //int num_elem;
          num_elem = face_voisins(num0, 0);
          if (num_elem != -1)
            F_Elem(num_elem, k2) += diff1;
          num_elem = face_voisins(num0, 1);
          if (num_elem != -1)
            F_Elem(num_elem, k2) += diff1;
          num_elem = face_voisins(num1, 0);
          if (num_elem != -1)
            F_Elem(num_elem, k2) += diff1;
          num_elem = face_voisins(num1, 1);
          if (num_elem != -1)
            F_Elem(num_elem, k2) += diff1;
          num_elem = face_voisins(num2, 0);
          if (num_elem != -1)
            F_Elem(num_elem, k1) += diff2;
          num_elem = face_voisins(num2, 1);
          if (num_elem != -1)
            F_Elem(num_elem, k1) += diff2;
          num_elem = face_voisins(num3, 0);
          if (num_elem != -1)
            F_Elem(num_elem, k1) += diff2;
          num_elem = face_voisins(num3, 1);
          if (num_elem != -1)
            F_Elem(num_elem, k1) += diff2;
        }
 
      //*******************************
      //Prise en compte des CL
      //*******************************
      const Domaine_Cl_VDF& domaine_Cl_VDF = ref_cast(Domaine_Cl_VDF, le_dom_Cl_.valeur());
      //      const int nb_cond_lim = domaine_Cl_VDF.nb_cond_lim();
      //      int indic_perio =0;
 
      //*******************************
      //On parcourt les aretes bords
      //*******************************
 
      ndeb = domaine_VDF.premiere_arete_bord();
      nfin = ndeb + domaine_VDF.nb_aretes_bord();
      int n_type;
 
      for (num_arete = ndeb; num_arete < nfin; num_arete++)
        {
          n_type = domaine_Cl_VDF.type_arete_bord(num_arete - ndeb);
 
          //**********************************
          // Traitement des aretes bords periodiques
          //**********************************
 
          if (n_type == TypeAreteBordVDF::PERIO_PERIO) // arete bord de type periodicite
            {
 
              num0 = Qdm(num_arete, 0);
              num1 = Qdm(num_arete, 1);
              num2 = Qdm(num_arete, 2);
              num3 = Qdm(num_arete, 3);
 
              aux = vitesse[num1] - vitesse[num0];
              diff1 = 0.5 * 0.25 * aux * aux;
              aux = vitesse[num3] - vitesse[num2];
              diff2 = 0.5 * 0.25 * aux * aux;
              k1 = orientation(num0);
              k2 = orientation(num2);
 
              // On multiplie par 0.5 du fait de la periodicite, sinon on ajoute deux fois ce qu il faut
              // aux elements ayant des faces de periodicite
 
              F_Elem(face_voisins(num0, 0), k2) += diff1;
              F_Elem(face_voisins(num0, 1), k2) += diff1;
              F_Elem(face_voisins(num1, 0), k2) += diff1;
              F_Elem(face_voisins(num1, 1), k2) += diff1;
              F_Elem(face_voisins(num2, 0), k1) += diff2;
              F_Elem(face_voisins(num2, 1), k1) += diff2;
              F_Elem(face_voisins(num3, 0), k1) += diff2;
              F_Elem(face_voisins(num3, 1), k1) += diff2;
            }
 
          //**********************************
          // Traitement des aretes bords de paroi
          //**********************************
          // Calcul de nu_t a la paroi
          // Dans la formulation en nb_points = 4, on ne tient pas compte de cette composante
          if (n_type == TypeAreteBordVDF::PAROI_PAROI)  // arete bord de type paroi
            {
              num0 = Qdm(num_arete, 0);
              num1 = Qdm(num_arete, 1);
              num2 = Qdm(num_arete, 2);
 
              aux = vitesse[num1] - vitesse[num0];
              diff1 = 0.25 * aux * aux;
              //aux = vitesse[num3]-vitesse[num2];
              //diff2= 0.25*aux*aux;
              k1 = orientation(num0);
              k2 = orientation(num2);
 
              num_elem = face_voisins(num0, 0);
              if (num_elem == -1)
                num_elem = face_voisins(num0, 1);
              F_Elem(num_elem, k2) += diff1;
 
              num_elem = face_voisins(num1, 0);
              if (num_elem == -1)
                num_elem = face_voisins(num1, 1);
              F_Elem(num_elem, k2) += diff1;
            }
        }
 
      //*******************************
      //On parcourt les aretes coins
      //*******************************
 
      ndeb = domaine_VDF.premiere_arete_coin();
      nfin = ndeb + domaine_VDF.nb_aretes_coin();
 
      for (num_arete = ndeb; num_arete < nfin; num_arete++)
        {
          n_type = domaine_Cl_VDF.type_arete_coin(num_arete - ndeb);
          //***************************************
          // Traitement des aretes coin perio-perio
          //***************************************
 
          if (n_type == TypeAreteCoinVDF::PERIO_PERIO) // arete de type periodicite-periodicite
            {
 
              num0 = Qdm(num_arete, 0);
              num1 = Qdm(num_arete, 1);
              num2 = Qdm(num_arete, 2);
              num3 = Qdm(num_arete, 3);
 
              aux = vitesse[num1] - vitesse[num0];
              diff1 = 0.25 * 0.25 * aux * aux;
              aux = vitesse[num3] - vitesse[num2];
              diff2 = 0.25 * 0.25 * aux * aux;
              k1 = orientation(num0);
              k2 = orientation(num2);
 
              // On multiplie par 0.25 du fait de la double periodicite, sinon on ajoute 4 fois ce qu il faut
              // aux elements ayant des faces de periodicite
 
              F_Elem(face_voisins(num0, 0), k2) += diff1;
              F_Elem(face_voisins(num0, 1), k2) += diff1;
              F_Elem(face_voisins(num1, 0), k2) += diff1;
              F_Elem(face_voisins(num1, 1), k2) += diff1;
              F_Elem(face_voisins(num2, 0), k1) += diff2;
              F_Elem(face_voisins(num2, 1), k1) += diff2;
              F_Elem(face_voisins(num3, 0), k1) += diff2;
              F_Elem(face_voisins(num3, 1), k1) += diff2;
            }
 
          //***************************************
          // Traitement des aretes coin perio-paroi
          //***************************************
          if (n_type == TypeAreteCoinVDF::PERIO_PAROI) // arete de type periodicite-paroi
            {
              num0 = Qdm(num_arete, 0);
              num1 = Qdm(num_arete, 1);
              num2 = Qdm(num_arete, 2);
 
              // On multiplie par 0.5 du fait de la periodicite, sinon on ajoute deux fois ce qu il faut
              // aux elements ayant des faces de periodicite
 
              aux = vitesse[num1] - vitesse[num0];
              diff1 = 0.5 * 0.25 * aux * aux;
              //aux = vitesse[num3]-vitesse[num2];
              //diff2= 0.5*0.25*aux*aux;
              k1 = orientation(num0);
              k2 = orientation(num2);
 
              num_elem = face_voisins(num0, 0);
              if (num_elem == -1)
                num_elem = face_voisins(num0, 1);
              F_Elem(num_elem, k2) += diff1;
 
              num_elem = face_voisins(num1, 0);
              if (num_elem == -1)
                num_elem = face_voisins(num1, 1);
              F_Elem(num_elem, k2) += diff1;
            }
        }
 
      // Calcul de la Fonction de structure a partir de ses
      // composantes directionnelles
 
      double un_tiers = 1. / 3.;
      double deux_tiers = 2. / 3.;
      double delta_C;
      double un_demi = 1. / 2.;
 
      if (nb_points_ == 6)
        {
 
          for (num_elem = 0; num_elem < nb_poly; num_elem++)
            {
              delta_C = l_(num_elem);
              F2_[num_elem] = un_tiers
                              * (F_Elem(num_elem, 0) * pow(delta_C / domaine_VDF.dim_elem(num_elem, 0), deux_tiers) + F_Elem(num_elem, 1) * pow(delta_C / domaine_VDF.dim_elem(num_elem, 1), deux_tiers)
                                 + F_Elem(num_elem, 2) * pow(delta_C / domaine_VDF.dim_elem(num_elem, 2), deux_tiers));
 
            }
        }
      else
        {
          // alors nb_points == 4
          // on ne tient pas compte de la composante perpendiculaire au plan (dir1,dir2) de la FST!!!
          for (num_elem = 0; num_elem < nb_poly; num_elem++)
            {
              delta_C = l_(num_elem);
              F2_[num_elem] = un_demi
                              * (F_Elem(num_elem, dir1_) * pow(delta_C / domaine_VDF.dim_elem(num_elem, dir1_), deux_tiers)
                                 + F_Elem(num_elem, dir2_) * pow(delta_C / domaine_VDF.dim_elem(num_elem, dir2_), deux_tiers));
            }
        }
 
      // On traite les bords pour completer la fonction de structure
      // sur les  mailles de bord
 
      int num_face;
      int elem, n0, n1;
 
      for (int n_bord = 0; n_bord < domaine_VDF.nb_front_Cl(); n_bord++)
        {
 
          // pour chaque Condition Limite on regarde son type
 
          const Cond_lim& la_cl = domaine_Cl_VDF.les_conditions_limites(n_bord);
          if (sub_type(Dirichlet_entree_fluide, la_cl.valeur()))
            {
              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();
              for (num_face = ndeb; num_face < nfin; num_face++)
                if ((n0 = face_voisins(num_face, 0)) != -1)
                  {
                    elem = domaine_VDF.elem_voisin(n0, num_face, 0);
                    F2_[n0] = F2_[elem];
                  }
                else
                  {
                    n1 = face_voisins(num_face, 1);
                    elem = domaine_VDF.elem_voisin(n1, num_face, 1);
                    F2_[n1] = F2_[elem];
                  }
            }
          else if (sub_type(Neumann_sortie_libre, la_cl.valeur()))
            {
              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();
              for (num_face = ndeb; num_face < nfin; num_face++)
                if ((n0 = face_voisins(num_face, 0)) != -1)
                  {
                    elem = domaine_VDF.elem_voisin(n0, num_face, 0);
                    F2_[n0] = F2_[elem];
                  }
                else
                  {
                    n1 = face_voisins(num_face, 1);
                    elem = domaine_VDF.elem_voisin(n1, num_face, 1);
                    F2_[n1] = F2_[elem];
                  }
            }
          else if ((sub_type(Symetrie, la_cl.valeur())) || (sub_type(Periodique, la_cl.valeur())))
            {
              /* Do nothing */
            }
          else if ((sub_type(Dirichlet_paroi_fixe, la_cl.valeur())))
            {
              /* Do nothing */
            }
          else
            {
              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();
              for (num_face = ndeb; num_face < nfin; num_face++)
                if ((n0 = face_voisins(num_face, 0)) != -1)
                  F2_[n0] = 0;
                else
                  {
                    n1 = face_voisins(num_face, 1);
                    F2_[n1] = 0;
                  }
            }
        }
    }
  else
    {
      Cerr << "The structure fonction subgrid model can be used" << finl;
      Cerr << "only for dimesnion 3." << finl;
      Process::exit();
    }
}