Modele_turbulence_hyd_LES_VDF_base.cpp

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#include <Modele_turbulence_hyd_LES_VDF_base.h>
 
#include <Domaine_Cl_VDF.h>
#include <Domaine_VDF.h>
 
Implemente_base(Modele_turbulence_hyd_LES_VDF_base, "Modele_turbulence_hyd_LES_VDF_base", Modele_turbulence_hyd_LES_base);
 
Sortie& Modele_turbulence_hyd_LES_VDF_base::printOn(Sortie& s) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
Entree& Modele_turbulence_hyd_LES_VDF_base::readOn(Entree& is)
{
  return Modele_turbulence_hyd_LES_base::readOn(is);
}
 
void Modele_turbulence_hyd_LES_VDF_base::calculer_longueurs_caracteristiques()
{
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF, le_dom_VF_.valeur());
  int nb_elem = domaine_VDF.domaine().nb_elem();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
  const IntVect& orientation = domaine_VDF.orientation();
 
  l_.resize(nb_elem);
 
  ArrOfDouble h(dimension);
  double dist_tot, dist_min, dist_max, dist_moy;
  double a1, a2, f_scotti;
 
  const int modele_scotti = (methode_ == Motcle("Scotti"));
  if (modele_scotti && (dimension == 2))
    {
      Cerr << "The Scotti correction can be used only for dimension 3." << finl;
      exit();
    }
 
  for (int elem = 0; elem < nb_elem; elem++)
    {
      for (int i = 0; i < dimension; i++)
        h[i] = domaine_VDF.dim_elem(elem, orientation(elem_faces(elem, i)));
 
      if (dimension == 2)
        l_(elem) = exp((log(h[0] * h[1])) / 2);
      else
        l_(elem) = exp((log(h[0] * h[1] * h[2])) / 3);
 
      if (modele_scotti)
        {
          dist_tot = h[0] + h[1] + h[2];
 
          dist_min = min_array(h);
          dist_max = max_array(h);
          dist_moy = dist_tot - dist_min - dist_max;
 
          a1 = dist_min / dist_max;
          a2 = dist_moy / dist_max;
 
          f_scotti = cosh(sqrt((4. / 27.) * (log(a1) * log(a1) - log(a1) * log(a2) + log(a2) * log(a2))));
 
          l_(elem) *= f_scotti;
        }
    }
}