Sortie_libre_Gradient_Pression_impose_VEFPreP1B.cpp

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#include <Sortie_libre_Gradient_Pression_impose_VEFPreP1B.h>
#include <Domaine_Cl_dis_base.h>
#include <Champ_P1_isoP1Bulle.h>
#include <Navier_Stokes_std.h>
#include <distances_VEF.h>
#include <Milieu_base.h>
#include <Scatter.h>
#include <Debog.h>
 
Implemente_instanciable(Sortie_libre_Gradient_Pression_impose_VEFPreP1B, "Frontiere_ouverte_Gradient_Pression_impose_VEFPreP1B", Sortie_libre_Gradient_Pression_impose_VEF);
// XD frontiere_ouverte_gradient_pression_impose_vefprep1b frontiere_ouverte_gradient_pression_impose frontiere_ouverte_gradient_pression_impose_vefprep1b INHERITS_BRACE Keyword for an outlet boundary condition in VEF P1B/P1NC on the gradient of the pressure.
 
 
Sortie& Sortie_libre_Gradient_Pression_impose_VEFPreP1B::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
Entree& Sortie_libre_Gradient_Pression_impose_VEFPreP1B::readOn(Entree& s)
{
  if (supp_discs.size() == 0) supp_discs = { Nom("VEFPreP1B") };
  return Sortie_libre_Gradient_Pression_impose_VEF::readOn(s);
}
 
int Sortie_libre_Gradient_Pression_impose_VEFPreP1B::initialiser(double temps)
{
  Cond_lim_base::initialiser(temps);
  const Domaine_Cl_dis_base& le_dom_Cl = domaine_Cl_dis();
  const Equation_base& eqn = le_dom_Cl.equation();
  const Navier_Stokes_std& eqn_hydr = ref_cast(Navier_Stokes_std, eqn);
  const Champ_P1_isoP1Bulle& pression = ref_cast(Champ_P1_isoP1Bulle, eqn_hydr.pression());
  const Domaine_VEF& mon_dom_VEF = ref_cast(Domaine_VEF, eqn.domaine_dis());
  const IntTab& face_voisins = mon_dom_VEF.face_voisins();
  const Front_VF& le_bord = ref_cast(Front_VF, frontiere_dis());
  pression_interne = pression;
  int nb_faces_loc = le_bord.nb_faces_tot();
  trace_pression_int.resize(nb_faces_loc);
  coeff.resize(nb_faces_loc);
  for (int ind_face = 0; ind_face < nb_faces_loc; ind_face++)
    {
      int face = le_bord.num_face(ind_face);
      int elem = face_voisins(face, 0);
      if (dimension == 2)
        coeff[ind_face] = distance_2D(face, elem, mon_dom_VEF) * 3.;
      else
        coeff[ind_face] = distance_3D(face, elem, mon_dom_VEF) * 4.;
    }
  // On n'appelle pas mettre_a_jour car la mise a jour du champ_front pourrait dependre de l'exterieur !
  return calculer_trace_pression();
}
 
void Sortie_libre_Gradient_Pression_impose_VEFPreP1B::mettre_a_jour(double temps)
{
  Cond_lim_base::mettre_a_jour(temps);
  if (!calculer_trace_pression())
    {
      Cerr << "Erreur dans Sortie_libre_Gradient_Pression_impose_VEFPreP1B::mettre_a_jour" << finl;
      exit();
    }
}
 
// Retourne 1 si OK, 0 sinon.
int Sortie_libre_Gradient_Pression_impose_VEFPreP1B::calculer_trace_pression()
{
  if (!pression_interne)
    {
      Cerr << "Sortie_libre_Gradient_Pression_impose_VEFPreP1B::calculer_trace_pression() : la pression n'est pas definie!" << finl;
      return 0;
    }
  Debog::verifier("pression_interne:", pression_interne);
  const Front_VF& le_bord = ref_cast(Front_VF, frontiere_dis());
  int nb_faces_loc = le_bord.nb_faces_tot();
  for (int ind_face = 0; ind_face < nb_faces_loc; ind_face++)
    {
      int face = le_bord.num_face(ind_face);
      trace_pression_int[ind_face] = pression_interne->valeur_au_bord(face);
    }
  return 1;
}