Echange_contact_rayo_semi_transp_VDF.cpp

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#include <Echange_contact_rayo_semi_transp_VDF.h>
#include <Pb_Conduction.h>
#include <Pb_rayo_semi_transp.h>
#include <Champ_front_calc.h>
#include <Milieu_base.h>
#include <Domaine_VDF.h>
 
Implemente_instanciable(Echange_contact_rayo_semi_transp_VDF, "Paroi_echange_contact_rayo_semi_transp_VDF", Echange_contact_VDF);
 
Sortie& Echange_contact_rayo_semi_transp_VDF::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Echange_contact_rayo_semi_transp_VDF::readOn(Entree& is)
{
  return Echange_contact_VDF::readOn(is);
}
 
const Cond_lim_base& Echange_contact_rayo_semi_transp_VDF::la_cl() const
{
  return (*this);
}
 
/*! @brief Returns the boundary temperature champ_front.
 *
 */
Champ_front_base& Echange_contact_rayo_semi_transp_VDF::temperature_bord()
{
  return T_ext();
}
 
/*! @brief The mettre_a_jour(temps) method fills the T_ext array with wall temperatures.
 *
 * These wall temperatures are used to impose the boundary condition of the
 *       radiation problem.
 *       Wall temperatures are computed taking into account the radiating
 *       character of the wall.
 *
 *
 */
void Echange_contact_rayo_semi_transp_VDF::calculer_temperature_bord(double temps)
{
  if (T_autre_pb().valeurs_au_temps(temps).size() == 0)
    {
      T_autre_pb().associer_fr_dis_base(T_ext().frontiere_dis());
      Domaine_dis_base& domaine_dis1 = domaine_Cl_dis().domaine_dis();
      Nom nom_racc1 = frontiere_dis().frontiere().le_nom();
      if (domaine_dis1.domaine().raccord(nom_racc1)->que_suis_je() != "Raccord_distant_homogene")
        verifier_correspondance();
    }
 
  int is_pb_fluide = 0;
  DoubleTab& mon_h = h_imp_->valeurs();
 
  int opt = 0;
  assert(h_paroi != 0.);
  double invhparoi = 1. / h_paroi;
  calculer_h_autre_pb(autre_h, invhparoi, opt);
  calculer_h_mon_pb(mon_h, 0., opt);
 
  calculer_Teta_paroi(T_paroi->valeurs_au_temps(temps), mon_h, autre_h, is_pb_fluide, temps);
}
 
/*! @brief The mettre_a_jour(temps) method fills the T_ext array with wall temperatures.
 *
 * T_ext is used to compute the imposed flux at the boundary of each domain of the
 *       coupled problem.
 *       Wall temperatures are computed taking into account the radiating
 *       character of the wall.
 *       Calls the method Echange_externe_impose::mettre_a_jour(temps).
 *
 *
 * @param temps current time
 */
void Echange_contact_rayo_semi_transp_VDF::mettre_a_jour(double temps)
{
  //  Cerr<<"Echange_contact_rayo_semi_transp_VDF::mettre_a_jour : Debut"<<finl;
 
  Champ_front_calc& ch = ref_cast(Champ_front_calc, T_autre_pb());
  const Milieu_base& le_milieu = ch.milieu();
  int nb_comp = le_milieu.conductivite().nb_comp();
 
  if (num_premiere_face_dans_pb_fluide == -1)
    {
      Cerr << "end of construction in " << que_suis_je() << finl;
      T_autre_pb().associer_fr_dis_base(T_ext().frontiere_dis());
      // determine which is the fluid problem
      const Equation_base *eqn = nullptr;
      const Equation_base& mon_eqn = domaine_Cl_dis().equation();
 
      const Champ_front_calc& chcal = ref_cast(Champ_front_calc, T_autre_pb());
      const Equation_base& autre_eqn = chcal.inconnue().equation();
      int m = 0;
      if (mon_eqn.probleme().milieu().is_rayo_semi_transp())
        {
          // we are on the fluid side
          eqn = &mon_eqn;
          m++;
        }
 
      if (autre_eqn.probleme().milieu().is_rayo_semi_transp())
        {
          eqn = &autre_eqn;
          m++;
 
        }
      if (m != 1)
        {
          Cerr << "big problem in " << que_suis_je() << finl;
          assert(0);
          Process::exit();
        }
 
      const Front_VF& frontvf = ref_cast(Front_VF, eqn->domaine_dis().frontiere_dis(frontiere_dis().le_nom()));
      num_premiere_face_dans_pb_fluide = frontvf.num_premiere_face();
 
      Domaine_dis_base& domaine_dis1 = domaine_Cl_dis().domaine_dis();
      Nom nom_racc1 = frontiere_dis().frontiere().le_nom();
      if (domaine_dis1.domaine().raccord(nom_racc1)->que_suis_je() != "Raccord_distant_homogene")
        verifier_correspondance();
    }
 
  T_autre_pb().mettre_a_jour(temps);
  assert(nb_comp == 1);
 
  DoubleTab& mon_h = h_imp_->valeurs();
 
  int opt = 0;
  assert(h_paroi != 0.);
  double invhparoi = 1. / h_paroi;
  calculer_h_autre_pb(autre_h, invhparoi, opt);
  calculer_h_mon_pb(mon_h, 0., opt);
 
  int is_pb_fluide = 0;
  calculer_Teta_equiv(T_ext().valeurs_au_temps(temps), mon_h, autre_h, is_pb_fluide, temps);
 
  // T_ext has been computed; now compute heq in himp (= mon_h)
  int taille = mon_h.dimension(0);
  for (int ii = 0; ii < taille; ii++)
    for (int jj = 0; jj < nb_comp; jj++)
      {
        mon_h(ii, jj) = 1. / (1. / autre_h(ii, jj) + 1. / mon_h(ii, jj));
      }
 
  Echange_global_impose::mettre_a_jour(temps);
}
 
int Echange_contact_rayo_semi_transp_VDF::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 Echange_contact_rayo_semi_transp_VDF::completer()
{
  Echange_contact_VDF::completer();
 
  // Dimension the champ_front T_ext which will hold wall temperatures
  int nb_comp = 1;
 
  // T_ext and Tp are not the same; type T_paroi
  T_paroi.typer("Champ_front_fonc");
  T_paroi->fixer_nb_comp(nb_comp);
}
 
void Echange_contact_rayo_semi_transp_VDF::calculer_Teta_paroi(DoubleTab& Teta_p, const DoubleTab& mon_h, const DoubleTab& lautre_h, int i, double temps)
{
  // i will be used in the radiation step
  //
  //mon_h(monT-Tw)=autre_h*(Tw-Tautre)
  // Tautre=Text;
  //  Tw=(autr_h*Tautre+mon_h*monT)/(autr_h+mon_h)
  const Equation_base& mon_eqn = domaine_Cl_dis().equation();
  const DoubleTab& mon_inco = mon_eqn.inconnue().valeurs();
  const Domaine_VDF& ma_zvdf = ref_cast(Domaine_VDF, domaine_Cl_dis().domaine_dis());
  const Front_VF& ma_front_vf = ref_cast(Front_VF, frontiere_dis());
 
  //DoubleTab& mon_h=h_imp_->valeurs();
  int ndeb = ma_front_vf.num_premiere_face();
  //int ndeb2 = l_autre_front_vf.num_premiere_face();
  int nb_faces_bord = ma_front_vf.nb_faces();
  int ind_fac, elem;
  //DoubleTab& Teta_i=T_ext().valeurs();
  Teta_p.resize(nb_faces_bord, 1);
  DoubleTab& t_autre = T_autre_pb().valeurs_au_temps(temps);
 
  const Pb_rayo_semi_transp& le_pb_rayo = pb_rayo_semi_transp();
  const DoubleTab& flux_radiatif = le_pb_rayo.flux_radiatif(frontiere_dis().le_nom()).valeurs();
  for (int numfa = 0; numfa < nb_faces_bord; numfa++)
    {
      ind_fac = numfa + ndeb;
      if (ma_zvdf.face_voisins(ind_fac, 0) != -1)
        elem = ma_zvdf.face_voisins(ind_fac, 0);
      else
        elem = ma_zvdf.face_voisins(ind_fac, 1);
 
      double flux_radia = flux_radiatif(numfa, 0);
      Teta_p(numfa, 0) = (mon_h(numfa, 0) * mon_inco(elem) + lautre_h(numfa, 0) * t_autre(numfa, 0) - flux_radia) / (mon_h(numfa, 0) + lautre_h(numfa, 0));
 
    }
 
  const Probleme_base& pb = mon_dom_cl_dis->equation().probleme();
  if (sub_type(Pb_Conduction, pb))
    {
      Cerr << "The boundary temperature should not need to be computed for the solid problem" << finl;
      Cerr << "solid " << finl;
      Process::exit();
    }
}
 
void Echange_contact_rayo_semi_transp_VDF::calculer_Teta_equiv(DoubleTab& Teta_eq, const DoubleTab& mon_h, const DoubleTab& lautre_h, int i, double temps)
{
  // cannot be simpler!!
  // Teta_equiv=T_autre_pb
 
  // i will be used in the radiation step
  //
  // mon_h(monT-Tw)=autre_h*(Tw-Tautre)
  // Tautre=Text;
  // Tw=(autr_h*Tautre+mon_h*monT)/(autr_h+mon_h)
  const Front_VF& ma_front_vf = ref_cast(Front_VF, frontiere_dis());
  int nb_faces_bord = ma_front_vf.nb_faces();
 
  assert(Teta_eq.dimension(0) == nb_faces_bord);
  assert(Teta_eq.dimension(1) == 1);
  const Pb_rayo_semi_transp& le_pb_rayo = pb_rayo_semi_transp();
  const DoubleTab& flux_radiatif = le_pb_rayo.flux_radiatif(frontiere_dis().le_nom()).valeurs();
  DoubleTab& t_autre = T_autre_pb().valeurs_au_temps(temps);
  for (int numfa = 0; numfa < nb_faces_bord; numfa++)
    Teta_eq(numfa, 0) = t_autre(numfa, 0) - (1 / lautre_h(numfa, 0)) * flux_radiatif(numfa, 0);
 
  Teta_eq.echange_espace_virtuel();
 
}
 
/*! @brief Returns the BC carried by the problem on the other side of the boundary.
 *
 * @return Reference to the opposite Echange_contact_rayo_semi_transp_VDF boundary condition.
 */
Echange_contact_rayo_semi_transp_VDF& Echange_contact_rayo_semi_transp_VDF::la_Cl_opposee()
{
  Champ_front_calc& ch = ref_cast(Champ_front_calc, T_autre_pb());
  const Domaine_Cl_dis_base& zcld = ch.domaine_Cl_dis();
  for (int i = 0; i < zcld.nb_cond_lim(); i++)
    {
      const Cond_lim& lacl = zcld.les_conditions_limites(i);
      if (lacl->frontiere_dis().le_nom() == frontiere_dis().le_nom())
        return ref_cast_non_const(Echange_contact_rayo_semi_transp_VDF, lacl.valeur());
    }
 
  Cerr << "Error while searching for the opposite boundary condition." << finl;
  Process::exit();
 
  // For the compiler
  return *this;
}
 
void Echange_contact_rayo_semi_transp_VDF::completer_Cl_opposee_si_contact()
{
  Echange_contact_rayo_semi_transp_VDF& la_cl_opp = la_Cl_opposee();
  la_cl_opp.associer_pb_rayo_semi_transp(pb_rayo_semi_transp_.valeur());
  la_cl_opp.recherche_emissivite_et_A();
}