Echange_interne_impose.cpp

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#include <Echange_interne_impose.h>
#include <Equation_base.h>
#include <Champ_front_calc_interne.h>
#include <Probleme_base.h>
#include <Frontiere_dis_base.h>
#include <Domaine_Cl_dis_base.h>
#include <Domaine_VDF.h>
#include <Front_VF.h>
#include <Milieu_base.h>
#include <Champ_front_uniforme.h>
#include <EChaine.h>
 
Implemente_instanciable(Echange_interne_impose,"Paroi_echange_interne_impose",Echange_externe_impose);
// XD Echange_interne_impose condlim_base Paroi_echange_interne_impose INHERITS_BRACE Internal heat exchange boundary
// XD_CONT condition with exchange coefficient.
// XD attr h_imp chaine h_imp REQ Exchange coefficient value expressed in W.m-2.K-1.
// XD attr ch front_field_base ch REQ Boundary field type.
 
Sortie& Echange_interne_impose::printOn(Sortie& s ) const { return s << que_suis_je() << finl; }
 
/*! @brief Simple call to Echange_impose_base::readOn(Entree&). Reads the boundary condition specifications
 *
 *   from an input stream.
 *
 * @param s input stream
 * @return modified output stream
 */
Entree& Echange_interne_impose::readOn(Entree& s )
{
  if (app_domains.size() == 0) app_domains = { Motcle("Thermique"), Motcle("Neutronique"), Motcle("fraction_massique"), Motcle("indetermine") };
 
  Motcle motlu;
  Motcle motcle("h_gap");
 
  s >> motlu;
  if (motlu ==motcle)
    s >> h_gap_;
  else
    {
      Cerr << "Error when reading boundary condition with type Echange_interne_impose " << finl;
      Cerr << "We expected " << motcle << " instead of " <<  motlu << finl;
      exit();
    }
 
  init();
 
  return s;
}
 
void Echange_interne_impose::init()
{
  le_champ_front.typer("Champ_front_calc_interne"); // preparation of T_ext
  EChaine e("Champ_front_fonc_xyz 1 1e-10");
  e >> h_imp_;        // won't be used anyway, just make sure we have a big enough array to store future values of h
}
 
 
// Override to skip verification - we know we will always be dealing with temperature, and we define ourselves the T_ext with
// a Champ_front_calc_interne.
void Echange_interne_impose::verifie_ch_init_nb_comp() const
{
}
 
void  Echange_interne_impose::set_temps_defaut(double temps)
{
  if (h_gap_)
    h_gap_->set_temps_defaut(temps);
  Echange_externe_impose::set_temps_defaut(temps);
}
void  Echange_interne_impose::fixer_nb_valeurs_temporelles(int nb_cases)
{
  if (h_gap_)
    h_gap_->fixer_nb_valeurs_temporelles(nb_cases);
  Echange_externe_impose::fixer_nb_valeurs_temporelles(nb_cases);
}
//
void  Echange_interne_impose::changer_temps_futur(double temps,int i)
{
  if (h_gap_)
    h_gap_->changer_temps_futur(temps,i);
  Echange_externe_impose::changer_temps_futur(temps,i);
}
int  Echange_interne_impose::avancer(double temps)
{
  if (h_gap_)
    h_gap_->avancer(temps);
  return Echange_externe_impose::avancer(temps);
}
 
int  Echange_interne_impose::reculer(double temps)
{
  if (h_gap_)
    h_gap_->reculer(temps);
  return Echange_externe_impose::reculer(temps);
}
void  Echange_interne_impose::associer_fr_dis_base(const Frontiere_dis_base& fr)
{
  if (h_gap_)
    h_gap_->associer_fr_dis_base(fr);
  Echange_externe_impose::associer_fr_dis_base(fr);
}
 
// Finish building the champ_front_calc_interne
void Echange_interne_impose::completer()
{
  Nom nom_pb(domaine_Cl_dis().equation().probleme().le_nom());
  Nom nom_bord(frontiere_dis().le_nom());
 
  lambda_ref_ = domaine_Cl_dis().equation().probleme().milieu().conductivite();
 
  Champ_front_calc_interne& t_ext = ref_cast(Champ_front_calc_interne, T_ext());
  t_ext.creer(nom_pb, nom_bord, "temperature");
 
  const Front_VF& fvf = ref_cast(Front_VF, frontiere_dis());
  inv_lambda_.resize(fvf.nb_faces());
 
  Echange_externe_impose::completer();
}
 
double Echange_interne_impose::calcul_h_imp(const double h_gap, const double invLambda) const
{
  return 1./(1./h_gap + invLambda);      // harmonic mean
}
 
// Compute e/lambda - this will be used:
//   - in calcul_h_imp to adjust for the half cell in VDF
//   - in Echange_interne_vargap for the computation of the h_gap correlation.
void Echange_interne_impose::update_inv_lambda()
{
  bool isVDF = sub_type(Domaine_VDF, frontiere_dis().domaine_dis());
  const Front_VF& fvf = ref_cast(Front_VF, frontiere_dis());
 
  inv_lambda_ = 0.0;
 
  if (isVDF)
    {
      DoubleTab& lambdas = lambda_ref_->valeurs();
 
      const Domaine_VDF& zon = ref_cast(Domaine_VDF, frontiere_dis().domaine_dis());
      for (int numf=0; numf < fvf.nb_faces(); numf++)
        {
          int facei = fvf.num_face(numf);
          int vois0 = zon.face_voisins(facei, 0);
          int elem = (vois0 != -1) ? vois0 : zon.face_voisins(facei, 1);
          inv_lambda_(numf) = zon.dist_norm_bord(facei)/lambdas(elem, 0);
        }
    }
}
 
void Echange_interne_impose::mettre_a_jour(double tps)
{
  Echange_externe_impose::mettre_a_jour(tps);
  h_gap_->mettre_a_jour(tps);
 
  update_inv_lambda();
 
  bool isVDF = sub_type(Domaine_VDF, frontiere_dis().domaine_dis());
 
  DoubleTab& h_impose = h_imp_->valeurs();
  DoubleTab& h_gap = h_gap_->valeurs();
 
  // If VDF, fix h_imp to take into account half cell on the other side of the wall:
  if (isVDF)
    {
      const Champ_front_calc_interne& t_ext = ref_cast(Champ_front_calc_interne, T_ext());
      const IntVect& face_map = t_ext.face_map();
      const Front_VF& fvf = ref_cast(Front_VF, frontiere_dis());
 
      for (int numf=0; numf < fvf.nb_faces(); numf++)
        {
          int opp_face = face_map(numf);  // opposite face
          if (sub_type(Champ_front_uniforme, h_gap_.valeur()))
            h_impose(numf,0) = calcul_h_imp(h_gap(0,0), inv_lambda_(opp_face));  // inv lambda from the **opposite** side
          else
            h_impose(numf,0) = calcul_h_imp(h_gap(numf,0), inv_lambda_(opp_face));
        }
    }
  else
    {
      if (sub_type(Champ_front_uniforme, h_gap_.valeur()))
        h_impose = h_gap(0,0);
      else
        h_impose = h_gap;
    }
}
 
int Echange_interne_impose::initialiser(double temps)
{
  int ret = Echange_externe_impose::initialiser(temps);
  update_inv_lambda();
  return ret;
}