Traitement_particulier_NS_Pression_VEF.cpp

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#include <Traitement_particulier_NS_Pression_VEF.h>
#include <Assembleur_base.h>
#include <Milieu_base.h>
#include <Domaine_Cl_VEF.h>
 
Implemente_instanciable_sans_constructeur(Traitement_particulier_NS_Pression_VEF,"Traitement_particulier_NS_Pression_VEF",Traitement_particulier_NS_Pression);
 
Traitement_particulier_NS_Pression_VEF::Traitement_particulier_NS_Pression_VEF()
{
}
 
Sortie& Traitement_particulier_NS_Pression_VEF::printOn(Sortie& is) const
{
  return is;
}
 
Entree& Traitement_particulier_NS_Pression_VEF::readOn(Entree& is)
{
  return is;
}
 
inline int Traitement_particulier_NS_Pression_VEF::comprend_champ(const Motcle& mot) const
{
  if (mot == "Pression_porosite") return 1 ;
  return 0 ;
}
 
int Traitement_particulier_NS_Pression_VEF::a_pour_Champ_Fonc(const Motcle& mot,
                                                              OBS_PTR(Champ_base)& ch_ref) const
{
  if (mot == "Pression_porosite")
    {
      ch_ref = ch_p;
      return 1 ;
    }
  return 0 ;
}
 
Entree& Traitement_particulier_NS_Pression_VEF::lire(Entree& is)
{
  Motcle accouverte = "{" , accfermee = "}" ;
  Motcle motbidon, motlu;
 
  is >> motbidon ;
 
  Motcles les_mots(1);
  {
    les_mots[0] = "Pression_porosite";
  }
 
 
  if (motbidon == accouverte)
    {
      // is >> motlu;
 
      while(motlu != accfermee)
        {
          is >> motlu;
          int rang=les_mots.search(motlu);
          switch(rang)
            {
            case 0 :
              {
                Cerr << " Reading Pression_porosite " << finl;
                const Domaine_dis_base& zdis=mon_equation->inconnue().domaine_dis_base();
                const Domaine_VEF& domaine_VEF=ref_cast(Domaine_VEF, zdis);
                //                  const Probleme_base& pb = mon_equation->probleme();
                const int nb_elem = domaine_VEF.nb_elem() ;
 
                ch_p.associer_domaine_dis_base(zdis);
                ch_p.nommer("Pression_porosite");
                ch_p.fixer_nb_comp(1);
                ch_p.fixer_nb_valeurs_nodales(nb_elem);
                ch_p.fixer_unite("Pa.m3/kg");
                c_pression = 1 ;
                champs_compris_.ajoute_champ(ch_p);
                break ;
 
              }
            default :
              {
                if (motlu == accfermee)
                  {
                    break ;
                  }
                else
                  {
                    Cerr << "Error in reading Traitement_particulier_Brech_VEF" << finl;
                    Cerr << "Possible keywords are: calcul_flux or Richardson " << finl;
                    Cerr << "Read keyword: " << motlu << finl;
                    exit();
                    break;
                  }
              }
            }
        }
      is >> motlu;
      if (motlu != accfermee)
        {
          Cerr << "Error in reading Traitement_particulier_NS_Brech_VEF 1 ";
          Cerr << "Expected } instead of " << motlu << finl;
          exit();
        }
    }
 
  return is;
}
 
 
void Traitement_particulier_NS_Pression_VEF::post_traitement_particulier()
{
 
  if (c_pression == 1 ) post_traitement_particulier_calcul_pression() ;
 
}
 
void Traitement_particulier_NS_Pression_VEF::post_traitement_particulier_calcul_pression()
{
  const Domaine_VEF& zvef=ref_cast(Domaine_VEF, mon_equation->domaine_dis());
  const DoubleVect& porosite_face = mon_equation->milieu().porosite_face();
  int i,comp;
  int nb_face = zvef.nb_faces();
  Operateur_Div divergence = mon_equation->operateur_divergence();
  Operateur_Grad gradient = mon_equation->operateur_gradient();
  SolveurSys solveur_pression_ = mon_equation->solveur_pression();
 
  DoubleTab& pression=mon_equation->pression().valeurs();
  DoubleTab& vitesse=mon_equation->vitesse().valeurs();
  DoubleTab gradP(vitesse);
  DoubleTab inc_pre(pression);
  DoubleTab secmem(pression);
  DoubleTab grad_temp(vitesse);
 
  inc_pre  = 0. ;
  secmem = 0. ;
  gradP = 0. ;
  grad_temp = 0. ;
 
  gradient.calculer(mon_equation->pression().valeurs(),gradP);
 
  //we want BM-1Bt(psi*Pression)
  mon_equation->solv_masse().appliquer(gradP);
 
  for(i=0; i<nb_face; i++)
    {
      for (comp=0; comp<dimension; comp++)
        grad_temp(i,comp) = gradP(i,comp)/porosite_face(i);
 
    }
  //mon_equation->solv_masse().appliquer(grad_temp);
  divergence.calculer(grad_temp, secmem);
 
  secmem *= -1; // because div = -B
  // Correction of the right-hand side according to the boundary conditions:
  mon_equation->assembleur_pression()->modifier_secmem(secmem);
 
  //solveur_pression_.resoudre_systeme(mon_equation->matrice_pression().valeur(),secmem, inc_pre,mon_equation->pression());
  solveur_pression_.resoudre_systeme(mon_equation->matrice_pression().valeur(),secmem, inc_pre);
  DoubleVect& la_pression_porosite = ch_p.valeurs();
  la_pression_porosite = pression;
  //  Cerr << " la_pression_porosite = pression " << la_pression_porosite  << finl;
  //   Cerr << " inc_pre " << inc_pre << finl;
  la_pression_porosite += inc_pre;
}