Modele_turbulence_hyd_LES_Smago_filtre_VEF.cpp

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#include <Modele_turbulence_hyd_LES_Smago_filtre_VEF.h>
#include <Domaine_Cl_VEF.h>
#include <Domaine_VEF.h>
#include <Champ_P1NC.h>
 
Implemente_instanciable(Modele_turbulence_hyd_LES_Smago_filtre_VEF, "Modele_turbulence_hyd_sous_maille_Smago_filtre_VEF", Modele_turbulence_hyd_LES_Smago_VEF);
 
Sortie& Modele_turbulence_hyd_LES_Smago_filtre_VEF::printOn(Sortie& s) const { return s << que_suis_je() << " " << le_nom(); }
 
Entree& Modele_turbulence_hyd_LES_Smago_filtre_VEF::readOn(Entree& s) { return Modele_turbulence_hyd_LES_Smago_VEF::readOn(s); }
 
void Modele_turbulence_hyd_LES_Smago_filtre_VEF::calculer_S_barre()
{
  const DoubleTab& la_vitesse = mon_equation_->inconnue().valeurs();
  const Domaine_Cl_VEF& domaine_Cl_VEF = ref_cast(Domaine_Cl_VEF, le_dom_Cl_.valeur());
  const Domaine_VEF& domaine_VEF = ref_cast(Domaine_VEF, le_dom_VF_.valeur());
  const int nb_elem = domaine_VEF.nb_elem();
 
  const DoubleVect& vol = domaine_VEF.volumes();
  const Domaine& domaine = domaine_VEF.domaine();
  int nb_faces_elem = domaine.nb_faces_elem();
 
  const IntTab& face_voisins = domaine_VEF.face_voisins();
  const IntTab& elem_faces = domaine_VEF.elem_faces();
  const int nb_face = domaine_VEF.nb_faces();
 
  int i, elem;
  int fac = 0;
 
  //////////////////////////////
  //Filtrage du champ de vitesse
  //////////////////////////////
  DoubleTab vitesse(la_vitesse);
 
  for (; fac < nb_face; fac++)
    {
      int num1;
      num1 = face_voisins(fac, 0);
      int num2;
      num2 = face_voisins(fac, 1);
 
      int fac1, fac2, facel;
 
      vitesse = 0.;
 
      for (facel = 0; facel < nb_faces_elem; facel++)
        {
          fac1 = elem_faces(num1, facel);
          //Correction pour avoir le champ de vitesse par face
          for (i = 0; i < dimension; i++)
            vitesse(fac, i) += la_vitesse(fac1, i) / double(2 * nb_faces_elem);
          fac2 = elem_faces(num2, facel);
          for (i = 0; i < dimension; i++)
            vitesse(fac, i) += la_vitesse(fac2, i) / double(2 * nb_faces_elem);
        }
 
    }
 
  Champ_P1NC::calcul_S_barre(vitesse, SMA_barre_, domaine_Cl_VEF);
 
  // On recalcule la longueur caracteristique de l'element
 
  for (elem = 0; elem < nb_elem; elem++)
    {
      double voltot = vol(elem);
      double eldif = 1.;
      int num1, facel;
 
      for (facel = 0; facel < nb_faces_elem; facel++)
        {
          fac = elem_faces(elem, facel);
          num1 = face_voisins(fac, 0);
          if (num1 == elem)
            num1 = face_voisins(fac, 1);
 
          if (num1 != -1)
            {
              voltot += vol(num1);
              eldif += 1.;
            }
        }
 
      voltot /= eldif;
      l_(elem) = 2.0 * pow(6. * voltot, 1. / double(dimension));
    }
}