Neumann_paroi_rayo_semi_transp_VEF.cpp

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#include <Neumann_paroi_rayo_semi_transp_VEF.h>
#include <Pb_rayo_semi_transp.h>
#include <Champ_Uniforme.h>
#include <Milieu_base.h>
#include <Front_VF.h>
 
Implemente_instanciable(Neumann_paroi_rayo_semi_transp_VEF,"Paroi_flux_impose_rayo_semi_transp_VEF",Neumann_paroi);
 
Sortie& Neumann_paroi_rayo_semi_transp_VEF::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Neumann_paroi_rayo_semi_transp_VEF::readOn(Entree& is)
{
  is >> le_champ_front;
  return is;
}
 
void Neumann_paroi_rayo_semi_transp_VEF::mettre_a_jour(double temps)
{
  calculer_temperature_bord(temps);
}
 
double Neumann_paroi_rayo_semi_transp_VEF::flux_impose(int i) const
{
  const DoubleTab& flux_radiatif = pb_rayo_semi_transp().flux_radiatif(frontiere_dis().le_nom()).valeurs();
 
  if (le_champ_front->valeurs().size() == 1)
    return le_champ_front->valeurs()(0, 0) - flux_radiatif(i, 0);
  else if (le_champ_front->valeurs().dimension(1) == 1)
    return le_champ_front->valeurs()(i, 0) - flux_radiatif(i, 0);
  else
    Cerr << "Neumann_paroi_rayo_semi_transp_VEF::flux_impose erreur" << finl;
 
  return 0;
}
 
double Neumann_paroi_rayo_semi_transp_VEF::flux_impose(int i, int j) const
{
  const DoubleTab& flux_radiatif = pb_rayo_semi_transp().flux_radiatif(frontiere_dis().le_nom()).valeurs();
 
  if (le_champ_front->valeurs().dimension(0) == 1)
    return le_champ_front->valeurs()(0, j) - flux_radiatif(i);
  else
    return le_champ_front->valeurs()(i, j) - flux_radiatif(i);
}
 
const Cond_lim_base& Neumann_paroi_rayo_semi_transp_VEF::la_cl() const
{
  return (*this);
}
 
void Neumann_paroi_rayo_semi_transp_VEF::calculer_temperature_bord(double temps)
{
  // Cerr<<"Neumann_paroi_rayo_semi_transp_VEF::calculer_temperature_bord() : Debut"<<finl;
  // Pour une discretisation VEF, la temperature est codee sur les faces
  // des elements, il suffit donc ici  de recuperer les valeurs des temperatures
  // sur les faces de bord.
  DoubleTab& temperature = domaine_Cl_dis().equation().inconnue().valeurs();
  DoubleTab& tab = temperature_bord_->valeurs_au_temps(temps);
 
  const Front_VF& front_vf = ref_cast(Front_VF, frontiere_dis());
  int ndeb = front_vf.num_premiere_face();
  int nfin = ndeb + front_vf.nb_faces();
  int face = 0;
  for (face = ndeb; face < nfin; face++)
    tab(face - ndeb, 0) = temperature(face);
  //  Cerr<<"Neumann_paroi_rayo_semi_transp_VEF::calculer_temperature_bord() : Fin"<<finl;
}
 
int Neumann_paroi_rayo_semi_transp_VEF::compatible_avec_eqn(const Equation_base& eqn) const
{
  Motcle dom_app = eqn.domaine_application();
  Motcle Thermique = "Thermique";
  Motcle indetermine = "indetermine";
  if ((dom_app == Thermique) || (dom_app == indetermine))
    return 1;
  else
    {
      err_pas_compatible(eqn);
      return 0;
    }
}
 
void Neumann_paroi_rayo_semi_transp_VEF::completer()
{
  Neumann_paroi::completer();
 
  // On type et on dimmensionne le champ_front temperature_bord_
  const Front_VF& front_vf = ref_cast(Front_VF, frontiere_dis());
  int nb_comp = 1;
 
  temperature_bord_.typer("Champ_front_fonc");
  temperature_bord_->fixer_nb_comp(nb_comp);
  DoubleTab& tab = temperature_bord_->valeurs();
  tab.resize(front_vf.nb_faces(), nb_comp);
}