Sortie_libre_Pression_imposee_Orlansky.cpp

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#include <Sortie_libre_Pression_imposee_Orlansky.h>
#include <Domaine_Cl_dis_base.h>
#include <Navier_Stokes_std.h>
#include <Champ_Face_VDF.h>
#include <Champ_P0_VDF.h>
#include <Domaine_VDF.h>
#include <Debog.h>
 
Implemente_instanciable(Sortie_libre_Pression_imposee_Orlansky, "Frontiere_ouverte_Pression_imposee_Orlansky", Neumann_sortie_libre);
// XD frontiere_ouverte_pression_imposee_orlansky neumann frontiere_ouverte_pression_imposee_orlansky INHERITS_BRACE
// XD_CONT This boundary condition may only be used with VDF discretization. There is no reference for pressure for this
// XD_CONT boundary condition so it is better to add pressure condition (with Frontiere_ouverte_pression_imposee) on one
// XD_CONT or two cells (for symetry in a channel) of the boundary where Orlansky conditions are imposed.
 
 
Sortie& Sortie_libre_Pression_imposee_Orlansky::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
Entree& Sortie_libre_Pression_imposee_Orlansky::readOn(Entree& s)
{
  if (app_domains.size() == 0) app_domains = { Motcle("Hydraulique"), Motcle("indetermine") };
  if (supp_discs.size() == 0) supp_discs = { Nom("VDF") };
 
  le_champ_ext.typer("Champ_front_uniforme");
  le_champ_ext->valeurs().resize(1, dimension);
  le_champ_front.typer("Champ_front_uniforme");
  le_champ_front->valeurs().resize(1, dimension);
  le_champ_front->fixer_nb_comp(1);
  return s;
}
 
void Sortie_libre_Pression_imposee_Orlansky::completer()
{
  Cerr << "Sortie_libre_Pression_imposee_Orlansky::completer()" << finl;
  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 Domaine_VDF& domaine_vdf = ref_cast(Domaine_VDF, eqn.domaine_dis());
  const Champ_P0_VDF& pression = ref_cast(Champ_P0_VDF, eqn_hydr.pression());
  const Champ_Face_VDF& vitesse = ref_cast(Champ_Face_VDF, eqn_hydr.inconnue());
  //  const IntTab& face_voisins  = domaine_vdf.face_voisins();
  //  const DoubleVect& volumes_entrelaces = domaine_vdf.volumes_entrelaces();
  //  const DoubleVect& face_surfaces = domaine_vdf.face_surfaces();
 
  le_dom_VDF = domaine_vdf;
  pression_interne = pression;
  vitesse_interne = vitesse;
 
  const Front_VF& le_bord = ref_cast(Front_VF, frontiere_dis());
  int nb_faces_loc = le_bord.nb_faces();
  //  int ndeb = le_bord.num_premiere_face();
 
  le_champ_front->valeurs().resize(nb_faces_loc);
  le_champ_ext->valeurs().resize(nb_faces_loc, dimension);
  VPhiP.resize(nb_faces_loc);
  VPhiV.resize(nb_faces_loc, dimension);
  pression_temps_moins_un.resize(nb_faces_loc);
  pression_temps_moins_deux.resize(nb_faces_loc);
  pression_moins_un_temps_moins_un.resize(nb_faces_loc);
  pression_moins_un_temps_moins_deux.resize(nb_faces_loc);
  pression_moins_deux_temps_moins_un.resize(nb_faces_loc);
  pression_moins_un.resize(nb_faces_loc);
  pression_moins_deux.resize(nb_faces_loc);
 
  vitesse_temps_moins_un.resize(nb_faces_loc, dimension);
  vitesse_temps_moins_deux.resize(nb_faces_loc, dimension);
  vitesse_moins_un_temps_moins_un.resize(nb_faces_loc, dimension);
  vitesse_moins_un_temps_moins_deux.resize(nb_faces_loc, dimension);
  vitesse_moins_deux_temps_moins_un.resize(nb_faces_loc, dimension);
  vitesse_moins_un.resize(nb_faces_loc, dimension);
  vitesse_moins_deux.resize(nb_faces_loc, dimension);
 
  Cerr << "Sortie_libre_Pression_imposee_Orlansky::completer() ok" << finl;
}
 
void Sortie_libre_Pression_imposee_Orlansky::mettre_a_jour(double temps)
{
  //Cerr << "Sortie_libre_Pression_imposee_Orlansky::mettre_a_jour("
  //        <<temps<<")"<<finl;
 
  Cond_lim_base::mettre_a_jour(temps);
 
  assert(pression_interne);
  const Front_VF& le_bord = ref_cast(Front_VF, frontiere_dis());
  int ndeb = le_bord.num_premiere_face();
  int nb_faces_loc = le_bord.nb_faces();
 
  DoubleTab& pre_bord = le_champ_front->valeurs();
  DoubleTab& vit_ext = le_champ_ext->valeurs();
  const Domaine_VDF& zvdf = ref_cast(Domaine_VDF, pression_interne->domaine_dis_base());
  const DoubleTab& pre = pression_interne->valeurs();
  const DoubleTab& vitesse = vitesse_interne->valeurs();
 
  int face, compo;
 
  for (face = ndeb; face < ndeb + nb_faces_loc; face++)
    {
      int i = face - ndeb;
 
      int ori = zvdf.orientation(face);
 
      pression_temps_moins_deux(i) = pression_temps_moins_un(i);
      pression_temps_moins_un(i) = pre_bord(i);
      pression_moins_un_temps_moins_deux(i) = pression_moins_un_temps_moins_un(i);
      pression_moins_un_temps_moins_un(i) = pression_moins_un(i);
      pression_moins_deux_temps_moins_un(i) = pression_moins_deux(i);
 
      int elem_un = zvdf.face_voisins(face, 0);
      if (elem_un < 0)
        elem_un = zvdf.face_voisins(face, 1);
      int face_moins_un = zvdf.elem_faces(elem_un, ori);
      if (face_moins_un == face)
        face_moins_un = zvdf.elem_faces(elem_un, ori + dimension);
      pression_moins_un[i] = pre[elem_un];
 
      int elem_deux = zvdf.face_voisins(face_moins_un, 0);
      if (elem_deux == elem_un)
        elem_deux = zvdf.face_voisins(face_moins_un, 1);
      pression_moins_deux[i] = pre[elem_deux];
 
      double pre_m_un_t_m_deux = pression_moins_un_temps_moins_deux(i);
      double pre_m_deux_t_m_un = pression_moins_deux_temps_moins_un(i);
      double pre_m_un = pression_moins_un(i);
 
      if (pre_m_un_t_m_deux == pre_m_un)
        VPhiP(i) = 0;
      else
        VPhiP(i) = (pre_m_un_t_m_deux - pre_m_un) / (pre_m_un + pre_m_un_t_m_deux - 2 * pre_m_deux_t_m_un);
      if (VPhiP(i) <= 1.e-24)
        VPhiP(i) = 0.0;
      if (VPhiP(i) > 1.)
        VPhiP(i) = 1.0;
      assert(VPhiP(i) < 1.e12);
 
      pre_bord[i] = (1 - VPhiP(i)) / (1 + VPhiP(i)) * pression_temps_moins_un(i) + (2 * VPhiP(i) / (1 + VPhiP(i))) * pression_moins_un(i);
 
    }
  Debog::verifier_bord("Orlansky::mettre_a_jour() : pre bord  : ", pre_bord, ndeb);
  //Debog::verifier_bord("Orlansky::mettre_a_jour() : VPhiP  : " , VPhiP, ndeb );
  //Debog::verifier_bord("Orlansky::mettre_a_jour() : VPhiV  avant : " , VPhiV ,ndeb);
 
  //Debog::verifier_bord("Orlansky::mettre_a_jour() : vitesse_moins_un_temps_moins_un : " , vitesse_moins_un_temps_moins_un, ndeb);
  //Debog::verifier_bord("Orlansky::mettre_a_jour() : vitesse_moins_deux : " , vitesse_moins_deux, ndeb);
  //Debog::verifier_bord("Orlansky::mettre_a_jour() : vitesse_moins_un : " , vitesse_moins_un, ndeb);
 
  for (compo = 0; compo < dimension; compo++)
    for (face = ndeb; face < ndeb + nb_faces_loc; face++)
      {
        int i = face - ndeb;
 
        int ori = zvdf.orientation(face);
 
        vitesse_temps_moins_deux(i, compo) = vitesse_temps_moins_un(i, compo);
        vitesse_temps_moins_un(i, compo) = vit_ext(i, compo);
        vitesse_moins_un_temps_moins_deux(i, compo) = vitesse_moins_un_temps_moins_un(i, compo);
 
        vitesse_moins_un_temps_moins_un(i, compo) = vitesse_moins_un(i, compo);
        vitesse_moins_deux_temps_moins_un(i, compo) = vitesse_moins_deux(i, compo);
 
        int elem_un = zvdf.face_voisins(face, 0);
        if (elem_un < 0)
          elem_un = zvdf.face_voisins(face, 1);
        int face_moins_un = zvdf.elem_faces(elem_un, ori);
        if (face_moins_un == face)
          face_moins_un = zvdf.elem_faces(elem_un, ori + dimension);
        double vit = 0.5 * (vitesse(zvdf.elem_faces(elem_un, compo)) + vitesse(zvdf.elem_faces(elem_un, compo + dimension)));
 
        vitesse_moins_un(i, compo) = vit;
 
        int elem_deux = zvdf.face_voisins(face_moins_un, 0);
        if (elem_deux == elem_un)
          elem_deux = zvdf.face_voisins(face_moins_un, 1);
        vit = 0.5 * (vitesse(zvdf.elem_faces(elem_deux, compo)) + vitesse(zvdf.elem_faces(elem_deux, compo + dimension)));
        vitesse_moins_deux(i, compo) = vit;
 
        double pre_m_un_t_m_deux = vitesse_moins_un_temps_moins_deux(i, compo);
        double pre_m_deux_t_m_un = vitesse_moins_deux_temps_moins_un(i, compo);
        double pre_m_un = vitesse_moins_un(i, compo);
 
        if (pre_m_un_t_m_deux == pre_m_un)
          VPhiV(i, compo) = 0;
        else
          VPhiV(i, compo) = (pre_m_un_t_m_deux - pre_m_un) / (pre_m_un + pre_m_un_t_m_deux - 2 * pre_m_deux_t_m_un);
        if (VPhiV(i, compo) <= 1.e-24)
          VPhiV(i, compo) = 0.0;
        if (VPhiV(i, compo) > 1.)
          VPhiV(i, compo) = 1.0;
        assert(VPhiV(i, compo) < 1.e12);
 
        vit_ext(i, compo) = (1 - VPhiV(i, compo)) / (1 + VPhiV(i, compo)) * vitesse_temps_moins_un(i, compo) + (2 * VPhiV(i, compo) / (1 + VPhiV(i, compo))) * vitesse_moins_un(i, compo);
 
      }
  Debog::verifier_bord("Orlansky::mettre_a_jour() :  vit_ext : ", vit_ext, ndeb);
  Debog::verifier_bord("Orlansky::mettre_a_jour() : VPhiV  : ", VPhiV, ndeb);
}
 
double Sortie_libre_Pression_imposee_Orlansky::flux_impose(int face) const
{
  return le_champ_front->valeurs()(face);
}
 
double Sortie_libre_Pression_imposee_Orlansky::flux_impose(int face, int ncomp) const
{
  if (ncomp == 0) return flux_impose(face);
 
  Cerr << "Sortie_libre_Pression_imposee_Orlansky::flux_impose(int  , int ). La pression est un scalaire." << finl;
  Process::exit();
  return 0.;
}