Echange_externe_radiatif.cpp

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#include <Echange_externe_radiatif.h>
 
Implemente_instanciable(Echange_externe_radiatif, "Echange_externe_radiatif|Paroi_echange_externe_radiatif", Echange_externe_impose);
 
// XD echange_externe_radiatif condlim_base echange_externe_radiatif INHERITS_BRACE Combines radiative $(sigma * eps *
// XD_CONT (T^4 - T_ext^4))$ and convective $(h * (T - T_ext))$ heat transfer boundary conditions, where sigma is the
// XD_CONT Stefan-Boltzmann constant, eps is the emi
// XD attr h_imp chaine(into=["h_imp","t_ext","emissivite"]) h_imp REQ Heat exchange coefficient value (expressed in
// XD_CONT W.m-2.K-1).
// XD attr himpc front_field_base himpc REQ Boundary field type.
// XD attr emissivite chaine(into=["emissivite","h_imp","t_ext"]) emissivite REQ Emissivity coefficient value.
// XD attr emissivitebc front_field_base emissivitebc REQ Boundary field type.
// XD attr t_ext chaine(into=["t_ext","h_imp","emissivite"]) t_ext REQ External temperature value (expressed in oC or
// XD_CONT K).
// XD attr ch front_field_base ch REQ Boundary field type.
// XD attr temp_unit chaine(into=["temperature_unit"]) temp_unit REQ Temperature unit
// XD attr temp_unit_val chaine(into=["kelvin","celsius"]) temp_unit_val REQ Temperature unit
 
Sortie& Echange_externe_radiatif::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
Entree& Echange_externe_radiatif::readOn(Entree& s)
{
  if (app_domains.size() == 0)
    app_domains = { Motcle("Thermique") };
 
  if (supp_discs.size() == 0)
    supp_discs = { Nom("VDF"), Nom("VEFPreP1B")};
 
  Motcle motlu, T_unit;
  Motcles les_motcles(4);
  {
    les_motcles[0] = "emissivite";
    les_motcles[1] = "h_imp";
    les_motcles[2] = "T_ext";
    les_motcles[3] = "Temperature_unit";
  }
 
  int ind = 0;
  while (ind < 4)
    {
      s >> motlu;
      int rang = les_motcles.search(motlu);
 
      switch(rang)
        {
        case 0:
          {
            s >> emissivite_;
            break;
          }
        case 1:
          {
            s >> h_imp_;
            break;
          }
        case 2:
          {
            s >> le_champ_front;
            break;
          }
        case 3:
          {
            s >> T_unit;
 
            if (T_unit == "CELSIUS")
              {
                // TODO FIXME LATER
                Cerr << "Error in Echange_externe_radiatif::readOn !!! This boundary condition requires temperature in Kelvin !" << finl;
                Cerr << "Please update your data file ..." << finl;
                Process::exit();
                t_en_kelvin_ = false;
              }
            else if (T_unit == "KELVIN")
              t_en_kelvin_ = true;
            else
              {
                Cerr << "Unkown option in Echange_externe_radiatif::readOn !!!" << finl;
                Cerr << "   - Temperature_unit can either be CELSIUS or KELVIN !!!" << finl;
                Process::exit();
              }
 
            break;
          }
        default:
          {
            Cerr << "Error while reading BC of type Echange_externe_radiatif " << finl;
            Cerr << "we expected a keyword among: " << les_motcles << " instead of " << motlu << finl;
            exit();
          }
        }
      ind++;
    }
 
  return s;
}