Boundary_field_keps_from_ud.cpp

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#include <Boundary_field_keps_from_ud.h>
#include <Boundary_field_uniform_keps_from_ud.h>
#include <Param.h>
#include <Front_VF.h>
#include <Champ_front_uniforme.h>
#include <Champ_Inc_base.h>
#include <Equation_base.h>
#include <Schema_Temps_base.h>
#include <Champ_front_calc.h>
 
Implemente_instanciable(Boundary_field_keps_from_ud,"Boundary_field_keps_from_ud",Ch_front_var_instationnaire_dep);
 
Sortie& Boundary_field_keps_from_ud::printOn(Sortie& os) const
{
  return (os);
}
 
// XD Boundary_field_keps_from_ud front_field_base Boundary_field_keps_from_ud BRACE To specify a K-Eps inlet field with
// XD_CONT hydraulic diameter, speed, and turbulence intensity (VDF only)
Entree& Boundary_field_keps_from_ud::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("U", &vitesse_, Param::REQUIRED);   // XD_ADD_P front_field_base
  // XD_CONT U 0 Initial velocity magnitude
  param.ajouter("D", &d, Param::REQUIRED);      // XD_ADD_P double
  // XD_CONT Hydraulic diameter
  param.ajouter("I", &I, Param::REQUIRED);      // XD_ADD_P double
  // XD_CONT Turbulence intensity [%]
  param.lire_avec_accolades(is);
  if (I<=0 || I>=1)
    {
      Cerr << "Turbulence intensity is a number between 0 and 1. For instance, 0.05 means 5%." << finl;
      Process::exit();
    }
  fixer_nb_comp(2);
  return (is);
}
 
int Boundary_field_keps_from_ud::initialiser(double tps, const Champ_Inc_base& inco)
{
  const Front_VF& le_bord = ref_cast(Front_VF,frontiere_dis());
  int nb_faces = le_bord.nb_faces();
  DoubleTab& tab=les_valeurs->valeurs();
  tab.resize(nb_faces, 2);
 
  if (!Ch_front_var_instationnaire_dep::initialiser(tps,inco)) return 0;
 
  //sch = inco.equation().schema_temps();
  int nb_cases=inco.equation().schema_temps().nb_valeurs_temporelles();
  // Define the boundary field for the velocity:
  Champ_front_base& vitesse_frontiere = vitesse_.valeur();
  vitesse_frontiere.associer_fr_dis_base(frontiere_dis());
  vitesse_frontiere.completer();
  vitesse_frontiere.fixer_nb_valeurs_temporelles(nb_cases);
  vitesse_frontiere.initialiser(tps, inco);
 
  // pour utiliser la trace ...
  if (sub_type(Champ_front_calc,vitesse_frontiere))
    ref_cast(Champ_front_calc,vitesse_frontiere).set_distant(0);
 
  vitesse_frontiere.mettre_a_jour(tps);
 
  mettre_a_jour(tps);
  return 1;
}
 
void Boundary_field_keps_from_ud::mettre_a_jour(double tps)
{
  // Update speed:
  Champ_front_base& vitesse_frontiere = vitesse_.valeur();
  vitesse_frontiere.changer_temps_futur(tps, 1);
  vitesse_frontiere.mettre_a_jour(tps); // OK
 
  // Compute KEps:
  //const DoubleTab& vit = vitesse_frontiere.valeurs(); // Se base sur temps_defaut qui reste a 0 !!
  const DoubleTab& vit = vitesse_frontiere.valeurs_au_temps(tps);
  DoubleTab& keps = les_valeurs->valeurs();
  int nb_faces = ref_cast(Front_VF,frontiere_dis()).nb_faces();
  for (int face=0; face<nb_faces; face++)
    {
      int i = (vit.dimension(0)==1 ? 0 : face); // Uniform field
      double u = (vit.line_size() == 1) ? std::fabs(vit(i, 0)) : sqrt(vit(i, 0)*vit(i, 0)+vit(i, 1)*vit(i, 1));
 
      pair val = k_eps_from_udi(u, d, I, dimension);
      keps(face, 0) = val.k;
      keps(face, 1) = val.eps;
      if (face==0)
        {
          Cerr << "Provisoire t=" << tps << " " << " U(t)=" << 2+tps << " u(t)=" << u << " k=" << val.k << " eps=" << val.eps << finl;
        }
    }
}