Modele_turbulence_hyd_LES_DSGS_VDF.cpp

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#include <Modele_turbulence_hyd_LES_DSGS_VDF.h>
#include <Champ_Fonc_P0_VDF.h>
#include <Schema_Temps_base.h>
#include <Champ_Face_VDF.h>
#include <Domaine_Cl_VDF.h>
#include <Equation_base.h>
#include <Domaine_VDF.h>
#include <TRUSTTrav.h>
#include <Debog.h>
 
Implemente_instanciable(Modele_turbulence_hyd_LES_DSGS_VDF, "Modele_turbulence_hyd_sous_maille_DSGS_VDF", Modele_turbulence_hyd_LES_Smago_VDF);
 
Sortie& Modele_turbulence_hyd_LES_DSGS_VDF::printOn(Sortie& s) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
Entree& Modele_turbulence_hyd_LES_DSGS_VDF::readOn(Entree& s)
{
  return Modele_turbulence_hyd_LES_Smago_VDF::readOn(s);
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::associer(const Domaine_dis_base& domaine_dis, const Domaine_Cl_dis_base& domaine_Cl_dis)
{
  Modele_turbulence_hyd_LES_Smago_VDF::associer(domaine_dis, domaine_Cl_dis);
 
  Cerr << "Discretisation de coeff_field" << finl;
  coeff_field.typer("Champ_Fonc_P0_VDF");
  Champ_Fonc_P0_VDF& coeff = ref_cast(Champ_Fonc_P0_VDF, coeff_field.valeur());
  coeff.associer_domaine_dis_base(le_dom_VF_.valeur());
  coeff.nommer("dynamic_coefficient");
  coeff.fixer_nb_comp(1);
  coeff.fixer_nb_valeurs_nodales(le_dom_VF_->nb_elem());
  coeff.fixer_unite("adim");
  coeff.changer_temps(0.);
 
  model_coeff.ref(coeff_field->valeurs());
  champs_compris_.ajoute_champ(coeff_field);
  // model_coeff.resize(le_dom_VDF->nb_elem_tot());
}
 
Champ_Fonc_base& Modele_turbulence_hyd_LES_DSGS_VDF::calculer_viscosite_turbulente()
{
  double temps = mon_equation_->inconnue().temps();
  DoubleTab& visco_turb = la_viscosite_turbulente_->valeurs();
  int nb_elem = ref_cast(Domaine_VDF, le_dom_VF_.valeur()).nb_elem();
  int nb_elem_tot = ref_cast(Domaine_VDF, le_dom_VF_.valeur()).nb_elem_tot();
 
  DoubleTrav Sij_test_scale(nb_elem_tot, dimension, dimension);
  DoubleTrav Sij_grid_scale(nb_elem_tot, dimension, dimension);
  DoubleTrav cell_cent_vel(nb_elem_tot, dimension);
  DoubleTrav filt_vel(nb_elem_tot, dimension);
  DoubleTrav Lij(nb_elem_tot, dimension, dimension);
  DoubleTrav Mij(nb_elem_tot, dimension, dimension);
 
  SMA_barre_.resize(nb_elem_tot);
 
  calculer_cell_cent_vel(cell_cent_vel);
  calculer_filter_field(cell_cent_vel, filt_vel);
  calculer_Lij(cell_cent_vel, filt_vel, Lij);
  calculer_Sij(cell_cent_vel, Sij_grid_scale);
  calculer_Sij(filt_vel, Sij_test_scale);
  calculer_Mij(Sij_grid_scale, Sij_test_scale, Mij);
  calculer_model_coefficient(Lij, Mij);
 
  calculer_S_barre();
 
  if (visco_turb.size() != nb_elem)
    {
      Cerr << "erreur dans la taille du DoubleTab valeurs de la viscosite" << finl;
      Process::exit();
    }
 
  Debog::verifier("Modele_turbulence_hyd_LES_DSGS_VDF::calculer_viscosite_turbulente visco_turb 0", visco_turb);
 
  for (int elem = 0; elem < nb_elem; elem++)
    visco_turb[elem] = model_coeff[elem] * l_[elem] * l_[elem] * sqrt(SMA_barre_[elem]);
 
  Debog::verifier("Modele_turbulence_hyd_LES_DSGS_VDF::calculer_viscosite_turbulente visco_turb 1", visco_turb);
 
  coeff_field->changer_temps(temps);
 
  la_viscosite_turbulente_->changer_temps(temps);
  return la_viscosite_turbulente_;
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_cell_cent_vel(DoubleTab& cell_cent_vel)
{
  const DoubleTab& vitesse = mon_equation_->inconnue().valeurs();
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  int nb_elem_tot = domaine_VDF.domaine().nb_elem_tot();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
  int element_number;
  int num0, num1, num2, num3, num4 = -1, num5 = -1;
 
  // This is to calculate the cell centered velocity values
 
  for (element_number = 0; element_number < nb_elem_tot; element_number++)
    {
      num0 = elem_faces(element_number, 0);
      num1 = elem_faces(element_number, 1);
      num2 = elem_faces(element_number, 2);
      num3 = elem_faces(element_number, 3);
      if (dimension == 3)
        {
          num4 = elem_faces(element_number, 4);
          num5 = elem_faces(element_number, 5);
        }
 
      if (dimension == 2)
        {
          cell_cent_vel(element_number, 0) = 0.5 * (vitesse[num0] + vitesse[num2]);
          cell_cent_vel(element_number, 1) = 0.5 * (vitesse[num1] + vitesse[num3]);
        }
      else
        {
          cell_cent_vel(element_number, 0) = 0.5 * (vitesse[num0] + vitesse[num3]);
          cell_cent_vel(element_number, 1) = 0.5 * (vitesse[num1] + vitesse[num4]);
          cell_cent_vel(element_number, 2) = 0.5 * (vitesse[num2] + vitesse[num5]);
        }
    }
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_filter_field(const DoubleTab& in_vel, DoubleTab& out_vel)
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  const IntTab& face_voisins = domaine_VDF.face_voisins();
  int nb_elem_tot = domaine_VDF.domaine().nb_elem_tot();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
  int element_number;
  int num0, num1, num2, num3, num4, num5;
  int f0, f1, f2, f3, f4, f5;
  int i;
 
  DoubleTrav temp1(nb_elem_tot, dimension);
  DoubleTrav temp2(nb_elem_tot, dimension);
 
  // This is to calculate the filtered velocity field
 
  if (dimension == 2)
    {
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f0 = elem_faces(element_number, 0);
          num0 = face_voisins(f0, 0);
          f2 = elem_faces(element_number, 2);
          num2 = face_voisins(f2, 1);
          if ((num0 == -1) || (num2 == -1))
            for (i = 0; i < dimension; i++)
              temp1(element_number, i) = in_vel(element_number, i);
          else
            {
              for (i = 0; i < dimension; i++)
                {
                  temp1(element_number, i) = 0.25 * (in_vel(num0, i) + 2.0 * in_vel(element_number, i) + in_vel(num2, i));
                }
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f1 = elem_faces(element_number, 1);
          num1 = face_voisins(f1, 0);
          f3 = elem_faces(element_number, 3);
          num3 = face_voisins(f3, 1);
          if ((num1 == -1) || (num3 == -1))
            for (i = 0; i < dimension; i++)
              out_vel(element_number, i) = temp1(element_number, i);
          else
            {
              for (i = 0; i < dimension; i++)
                {
                  out_vel(element_number, i) = 0.25 * (temp1(num1, i) + 2.0 * temp1(element_number, i) + temp1(num3, i));
                }
            }
        }
    }
  else
    {
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f0 = elem_faces(element_number, 0);
          num0 = face_voisins(f0, 0);
          f3 = elem_faces(element_number, 3);
          num3 = face_voisins(f3, 1);
          if ((num0 == -1) || (num3 == -1))
            for (i = 0; i < dimension; i++)
              temp1(element_number, i) = in_vel(element_number, i);
          else
            {
              for (i = 0; i < dimension; i++)
                {
                  temp1(element_number, i) = 0.25 * (in_vel(num0, i) + 2.0 * in_vel(element_number, i) + in_vel(num3, i));
                }
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f1 = elem_faces(element_number, 1);
          num1 = face_voisins(f1, 0);
          f4 = elem_faces(element_number, 4);
          num4 = face_voisins(f4, 1);
          if ((num1 == -1) || (num4 == -1))
            for (i = 0; i < dimension; i++)
              temp2(element_number, i) = temp1(element_number, i);
          else
            {
              for (i = 0; i < dimension; i++)
                {
                  temp2(element_number, i) = 0.25 * (temp1(num1, i) + 2.0 * temp1(element_number, i) + temp1(num4, i));
                }
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f2 = elem_faces(element_number, 2);
          num2 = face_voisins(f2, 0);
          f5 = elem_faces(element_number, 5);
          num5 = face_voisins(f5, 1);
          if ((num2 == -1) || (num5 == -1))
            for (i = 0; i < dimension; i++)
              out_vel(element_number, i) = temp2(element_number, i);
          else
            {
              for (i = 0; i < dimension; i++)
                {
                  out_vel(element_number, i) = 0.25 * (temp2(num2, i) + 2.0 * temp2(element_number, i) + temp2(num5, i));
                }
            }
        }
    }
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_filter_tensor(DoubleTab& in_vel)
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  const IntTab& face_voisins = domaine_VDF.face_voisins();
  int nb_elem_tot = domaine_VDF.domaine().nb_elem_tot();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
  int element_number;
  int num0, num1, num2, num3, num4, num5;
  int f0, f1, f2, f3, f4, f5;
  int i, j;
 
  DoubleTrav temp1(nb_elem_tot, dimension, dimension);
  DoubleTrav temp2(nb_elem_tot, dimension, dimension);
 
  // This is to calculate the filtered tensor field
 
  if (dimension == 2)
    {
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f0 = elem_faces(element_number, 0);
          num0 = face_voisins(f0, 0);
          f2 = elem_faces(element_number, 2);
          num2 = face_voisins(f2, 1);
          if ((num0 == -1) || (num2 == -1))
            for (i = 0; i < dimension; i++)
              for (j = 0; j < dimension; j++)
                temp1(element_number, i, j) = in_vel(element_number, i, j);
          else
            {
              for (i = 0; i < dimension; i++)
                for (j = 0; j < dimension; j++)
                  {
                    temp1(element_number, i, j) = 0.25 * (in_vel(num0, i, j) + 2.0 * in_vel(element_number, i, j) + in_vel(num2, i, j));
                  }
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f1 = elem_faces(element_number, 1);
          num1 = face_voisins(f1, 0);
          f3 = elem_faces(element_number, 3);
          num3 = face_voisins(f3, 1);
          if ((num1 == -1) || (num3 == -1))
            for (i = 0; i < dimension; i++)
              for (j = 0; j < dimension; j++)
                in_vel(element_number, i, j) = temp1(element_number, i, j);
          else
            {
              for (i = 0; i < dimension; i++)
                for (j = 0; j < dimension; j++)
                  {
                    in_vel(element_number, i, j) = 0.25 * (temp1(num1, i, j) + 2.0 * temp1(element_number, i, j) + temp1(num3, i, j));
                  }
            }
        }
    }
  else
    {
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f0 = elem_faces(element_number, 0);
          num0 = face_voisins(f0, 0);
          f3 = elem_faces(element_number, 3);
          num3 = face_voisins(f3, 1);
          if ((num0 == -1) || (num3 == -1))
            for (i = 0; i < dimension; i++)
              for (j = 0; j < dimension; j++)
                temp1(element_number, i, j) = in_vel(element_number, i, j);
          else
            {
              for (i = 0; i < dimension; i++)
                for (j = 0; j < dimension; j++)
                  {
                    temp1(element_number, i, j) = 0.25 * (in_vel(num0, i, j) + 2.0 * in_vel(element_number, i, j) + in_vel(num3, i, j));
                  }
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f1 = elem_faces(element_number, 1);
          num1 = face_voisins(f1, 0);
          f4 = elem_faces(element_number, 4);
          num4 = face_voisins(f4, 1);
          if ((num1 == -1) || (num4 == -1))
            for (i = 0; i < dimension; i++)
              for (j = 0; j < dimension; j++)
                temp2(element_number, i, j) = temp1(element_number, i, j);
          else
            {
              for (i = 0; i < dimension; i++)
                for (j = 0; j < dimension; j++)
                  {
                    temp2(element_number, i, j) = 0.25 * (temp1(num1, i, j) + 2.0 * temp1(element_number, i, j) + temp1(num4, i, j));
                  }
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f2 = elem_faces(element_number, 2);
          num2 = face_voisins(f2, 0);
          f5 = elem_faces(element_number, 5);
          num5 = face_voisins(f5, 1);
          if ((num2 == -1) || (num5 == -1))
            for (i = 0; i < dimension; i++)
              for (j = 0; j < dimension; j++)
                in_vel(element_number, i, j) = temp2(element_number, i, j);
          else
            {
              for (i = 0; i < dimension; i++)
                for (j = 0; j < dimension; j++)
                  {
                    in_vel(element_number, i, j) = 0.25 * (temp2(num2, i, j) + 2.0 * temp2(element_number, i, j) + temp2(num5, i, j));
                  }
            }
        }
    }
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_filter_coeff(DoubleVect& in_vel)
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  const IntTab& face_voisins = domaine_VDF.face_voisins();
  int nb_elem_tot = domaine_VDF.domaine().nb_elem_tot();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
  int element_number;
  int num0, num1, num2, num3, num4, num5;
  int f0, f1, f2, f3, f4, f5;
 
  DoubleTrav temp1(nb_elem_tot);
  DoubleTrav temp2(nb_elem_tot);
 
  // This is to calculate the filtered coefficient field
 
  if (dimension == 2)
    {
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f0 = elem_faces(element_number, 0);
          num0 = face_voisins(f0, 0);
          f2 = elem_faces(element_number, 2);
          num2 = face_voisins(f2, 1);
          if ((num0 == -1) || (num2 == -1))
            temp1(element_number) = 3.0 * in_vel(element_number);
          else
            {
              temp1(element_number) = in_vel(num0) + in_vel(element_number) + in_vel(num2);
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f1 = elem_faces(element_number, 1);
          num1 = face_voisins(f1, 0);
          f3 = elem_faces(element_number, 3);
          num3 = face_voisins(f3, 1);
          if ((num1 == -1) || (num3 == -1))
            in_vel(element_number) = temp1(element_number) / 3.0;
          else
            {
              in_vel(element_number) = (temp1(num1) + temp1(element_number) + temp1(num3)) / 9.0;
            }
        }
    }
  else
    {
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f0 = elem_faces(element_number, 0);
          num0 = face_voisins(f0, 0);
          f3 = elem_faces(element_number, 3);
          num3 = face_voisins(f3, 1);
          if ((num0 == -1) || (num3 == -1))
            temp1(element_number) = 3.0 * in_vel(element_number);
          else
            {
              temp1(element_number) = in_vel(num0) + in_vel(element_number) + in_vel(num3);
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f1 = elem_faces(element_number, 1);
          num1 = face_voisins(f1, 0);
          f4 = elem_faces(element_number, 4);
          num4 = face_voisins(f4, 1);
          if ((num1 == -1) || (num4 == -1))
            temp2(element_number) = 3.0 * temp1(element_number);
          else
            {
              temp2(element_number) = temp1(num1) + temp1(element_number) + temp1(num4);
            }
        }
 
      for (element_number = 0; element_number < nb_elem_tot; element_number++)
        {
          f2 = elem_faces(element_number, 2);
          num2 = face_voisins(f2, 0);
          f5 = elem_faces(element_number, 5);
          num5 = face_voisins(f5, 1);
          if ((num2 == -1) || (num5 == -1))
            in_vel(element_number) = temp2(element_number) / 9.0;
          else
            {
              in_vel(element_number) = (temp2(num2) + temp2(element_number) + temp2(num5)) / 27.0;
            }
        }
    }
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_Lij(const DoubleTab& cell_cent_vel, const DoubleTab& filt_vel, DoubleTab& Lij)
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  int nb_elem_tot = domaine_VDF.domaine().nb_elem_tot();
  int element_number;
 
  DoubleTrav uij_filt(nb_elem_tot, dimension, dimension);
 
  // This is to calculate the Lij term for the C coefficient
 
  for (element_number = 0; element_number < nb_elem_tot; element_number++)
    {
      for (int i = 0; i < dimension; i++)
        for (int j = 0; j < dimension; j++)
          uij_filt(element_number, i, j) = cell_cent_vel(element_number, i) * cell_cent_vel(element_number, j);
    }
 
  calculer_filter_tensor(uij_filt);
 
  for (element_number = 0; element_number < nb_elem_tot; element_number++)
    {
      for (int i = 0; i < dimension; i++)
        for (int j = 0; j < dimension; j++)
          Lij(element_number, i, j) = uij_filt(element_number, i, j) - filt_vel(element_number, i) * filt_vel(element_number, j);
    }
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_Mij(const DoubleTab& Sij_grid_scale, const DoubleTab& Sij_test_scale, DoubleTab& Mij)
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  int nb_elem_tot = domaine_VDF.domaine().nb_elem_tot();
  int element_number;
 
  DoubleTrav sij_filt(nb_elem_tot, dimension, dimension);
  double temp, coeff = 0;
  const double alpha = sqrt(6.0);
  int i, j;
 
  sij_filt = Sij_grid_scale;
 
  // This is to calculate the Mij term for the C coefficient
 
  for (element_number = 0; element_number < nb_elem_tot; element_number++)
    {
      temp = 0.;
      for (i = 0; i < dimension; i++)
        for (j = 0; j < dimension; j++)
          temp += Sij_grid_scale(element_number, i, j) * Sij_grid_scale(element_number, i, j);
 
      coeff = sqrt(2.0 * temp);
    }
  //GF
  Cerr << "dans " << que_suis_je() << " le calcul de coeff est debile!!!!" << finl;
  Cerr << " On fait planter pour corriger plus tard " << finl;
  // en sortie de la boucle coeff=sqrt(2*tmp) tmp calculer qu avec le dernier
  // elt
  assert(0);
  Process::exit();
  sij_filt *= coeff;
 
  calculer_filter_tensor(sij_filt);
 
  for (element_number = 0; element_number < nb_elem_tot; element_number++)
    {
      temp = 0.;
      for (i = 0; i < dimension; i++)
        for (j = 0; j < dimension; j++)
          temp += Sij_test_scale(element_number, i, j) * Sij_test_scale(element_number, i, j);
 
      coeff = sqrt(2.0 * temp);
      for (i = 0; i < dimension; i++)
        for (j = 0; j < dimension; j++)
          Mij(element_number, i, j) = l_[element_number] * l_[element_number] * (alpha * alpha * coeff * Sij_test_scale(element_number, i, j) - sij_filt(element_number, i, j));
    }
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_model_coefficient(const DoubleTab& Lij, const DoubleTab& Mij)
{
  int nb_elem_tot = ref_cast(Domaine_VDF, le_dom_VF_.valeur()).nb_elem_tot();
  double temp1;
  double temp2;
 
  // Evaluate the dynamic model coeficient C
  int elem;
  for (elem = 0; elem < nb_elem_tot; elem++)
    {
      temp1 = 0.;
      temp2 = 0.;
      for (int i = 0; i < dimension; i++)
        for (int j = 0; j < dimension; j++)
          {
            temp1 += Lij(elem, i, j) * Mij(elem, i, j);
            temp2 += Mij(elem, i, j) * Mij(elem, i, j);
          }
      if (std::fabs(temp2) < 1.e-12)
        model_coeff[elem] = 0.;
      else
        model_coeff[elem] = -0.5 * temp1 / temp2;
    }
 
  calculer_filter_coeff(model_coeff);
  //  double coeff_moy = 0.;
  for (elem = 0; elem < nb_elem_tot; elem++)
    {
      if (model_coeff[elem] < 0.0)
        model_coeff[elem] = 0.0;
      if (model_coeff[elem] > 0.5)
        model_coeff[elem] = 0.5;
    }
}
 
void Modele_turbulence_hyd_LES_DSGS_VDF::calculer_Sij(const DoubleTab& in_vel, DoubleTab& out_vel)
{
  Champ_Face_VDF& vit = ref_cast(Champ_Face_VDF, mon_equation_->inconnue());
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
 
  int nb_elem_tot = domaine_VDF.domaine().nb_elem_tot();
  //Nouvaeu calcul de Sij
  DoubleTab duidxj(nb_elem_tot, dimension, dimension);
  vit.calcul_duidxj(in_vel, duidxj);
 
  for (int elem = 0; elem < nb_elem_tot; elem++)
    for (int i = 0; i < dimension; i++)
      for (int j = 0; j < dimension; j++)
        out_vel(elem, i, j) = 0.5 * (duidxj(elem, i, j) + duidxj(elem, j, i));
}