Neumann_sortie_libre.cpp

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#include <Motcle.h>
#include <Neumann_sortie_libre.h>
#include <Navier_Stokes_std.h>
#include <Equation_base.h>
 
Implemente_instanciable(Neumann_sortie_libre, "Frontiere_ouverte", Neumann_val_ext);
// XD frontiere_ouverte neumann frontiere_ouverte INHERITS_BRACE Boundary outlet condition on the boundary called bord
// XD_CONT (edge) (diffusion flux zero). This condition must be associated with a boundary outlet hydraulic condition.
// XD attr var_name chaine(into=["T_ext","C_ext","Y_ext","K_Eps_ext","K_Omega_ext","Fluctu_Temperature_ext","Flux_Chaleur_Turb_ext","V2_ext","a_ext","tau_ext","k_ext","omega_ext","H_ext","A_i_ext"]) var_name REQ Field name.
// XD attr ch front_field_base ch REQ Boundary field type.
 
 
Sortie& Neumann_sortie_libre::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
/*! @brief Types le_champ_front as "Champ_front_uniforme".
 *
 * Reads the values of the external field if the boundary conditions
 *     are specified as: "T_ext","C_ext","Y_ext","K_Eps_ext","Fluctu_Temperature_ext","Flux_Chaleur_Turb_ext","V2_ext","a_ext","tau_ext","k_ext","omega_ext","H_ext"
 *     Raises an error otherwise.
 *
 * @param (Entree& s) input stream
 * @return (Entree& s) the modified input stream
 * @throws external field type not recognized;
 * recognized types are: "T_ext","C_ext","Y_ext","K_Eps_ext","Fluctu_Temperature_ext","Flux_Chaleur_Turb_ext","V2_ext","a_ext","tau_ext","k_ext","omega_ext","H_ext", "a_i_ext"
 */
Entree& Neumann_sortie_libre::readOn(Entree& s)
{
  if (app_domains.size() == 0)
    app_domains = {Motcle("Thermique"), Motcle("Thermique_H"),
                   Motcle("Transport_Keps"), Motcle("Transport_Keps_V2"),
                   Motcle("Transport_Keps_Bas_Re"), Motcle("Transport_Keps_Rea"),
                   Motcle("Concentration"), Motcle("Fraction_massique"),
                   Motcle("Fraction_volumique"), Motcle("Transport_V2"),
                   Motcle("Turbulence"), Motcle("Interfacial_area"),
                   Motcle("indetermine"), Motcle("Transport_Komega")
                  };
 
  Motcle motlu;
  Motcles les_motcles(16);
  {
    les_motcles[0] = "T_ext";
    les_motcles[1] = "C_ext";
    les_motcles[2] = "K_Eps_ext";
    les_motcles[3] = "F_M_ext";
    les_motcles[4] = "Fluctu_Temperature_ext";
    les_motcles[5] = "Flux_Chaleur_Turb_ext";
    les_motcles[6] = "V2_ext";
    les_motcles[7] = "Y_ext";
    les_motcles[8] = "A_ext";
    les_motcles[9] = "k_ext";
    les_motcles[10] = "tau_ext";
    les_motcles[11] = "omega_ext";
    les_motcles[12] = "k_WIT_ext";
    les_motcles[13] = "a_i_ext";
    les_motcles[14] = "K_Omega_ext";
    les_motcles[15] = "H_ext"; // enthalpy
  }
  s >> motlu;
  int rang = les_motcles.search(motlu);
  if (rang >= 0)
    s >> le_champ_ext;
  else
    {
      Cerr << "Error reading boundary condition of type: " << finl;
      Cerr << que_suis_je() << finl;
      Cerr << "Expected " << les_motcles << " instead of " << motlu << finl;
      exit();
    }
 
  le_champ_front = le_champ_ext;
 
  return s;
}
 
// In the case where the boundary condition concerns pressure,
// it must be specified explicitly; otherwise inconnue() returns
// the velocity.
 
void Neumann_sortie_libre::verifie_ch_init_nb_comp() const
{
  if (le_champ_front)
    {
      const Equation_base& eq = domaine_Cl_dis().equation();
      const int nb_comp = le_champ_front->nb_comp();
 
      if ((que_suis_je() == "Frontiere_ouverte") ||
          (que_suis_je() == "Frontiere_ouverte_rayo_semi_transp") ||
          (que_suis_je() == "Frontiere_ouverte_rayo_transp") ||
          (que_suis_je() == "Sortie_libre_temperature_imposee_H"))
        eq.verifie_ch_init_nb_comp_cl(eq.inconnue(), nb_comp, *this);
      else
        {
          const Navier_Stokes_std& eq_ns = ref_cast(Navier_Stokes_std, eq);
          eq.verifie_ch_init_nb_comp_cl(eq_ns.pression(), nb_comp, *this);
        }
    }
}
 
/*! @brief Returns the value of the i-th component of the field imposed on the exterior of the boundary.
 *
 * @param (int i) index along the first dimension of the field
 * @return (double) the value imposed on the specified component of the field
 * @throws second dimension of the boundary field greater than 1
 */
double Neumann_sortie_libre::val_ext(int i) const
{
  if (le_champ_ext->valeurs().size() == 1)
    return le_champ_ext->valeurs()(0, 0);
  else if (le_champ_ext->valeurs().dimension(1) == 1)
    return le_champ_ext->valeurs()(i, 0);
  else
    {
      Cerr << "Neumann_sortie_libre::val_ext" << finl;
      Cerr << le_champ_ext << finl;
    }
  exit();
  return 0.;
}
 
int Neumann_sortie_libre::initialiser(double temps)
{
  Cond_lim_base::initialiser(temps);
  assert(le_champ_ext);
  return le_champ_ext->initialiser(temps, domaine_Cl_dis().equation().inconnue());
}
 
void Neumann_sortie_libre::associer_fr_dis_base(const Frontiere_dis_base& fr)
{
  Cond_lim_base::associer_fr_dis_base(fr);
  assert(le_champ_ext);
  le_champ_ext->associer_fr_dis_base(fr);
  modifier_val_imp = 0;
}
 
/*! @brief Returns the value of the (i,j)-th component of the field imposed on the exterior of the boundary.
 *
 * @param (int i) index along the first dimension of the field
 * @param (int j) index along the second dimension of the field
 * @return (double) the value imposed on the specified component of the field
 */
double Neumann_sortie_libre::val_ext(int i, int j) const
{
  if (le_champ_ext->valeurs().dimension(0) == 1)
    return le_champ_ext->valeurs()(0, j);
  else
    return le_champ_ext->valeurs()(i, j);
}
 
const DoubleTab& Neumann_sortie_libre::val_ext() const
{
  const Front_VF& le_bord = ref_cast(Front_VF, frontiere_dis());
  int nb_faces_tot = le_bord.nb_faces_tot();
  if (nb_faces_tot>0)
    {
      if (val_ext_.dimension(0) != nb_faces_tot)
        val_ext_.resize(nb_faces_tot, le_champ_ext->valeurs().dimension(1));
      int size = val_ext_.dimension(0);
      int nb_comp = val_ext_.dimension(1);
      for (int i = 0; i < size; i++)
        for (int j = 0; j < nb_comp; j++)
          val_ext_(i, j) = val_ext(i, j);
    }
  return val_ext_;
}
 
const DoubleTab& Neumann_sortie_libre::tab_ext() const
{
  return le_champ_ext->valeurs();
}
 
DoubleTab& Neumann_sortie_libre::tab_ext()
{
  return le_champ_ext->valeurs();
}
 
void Neumann_sortie_libre::fixer_nb_valeurs_temporelles(int nb_cases)
{
  Neumann::fixer_nb_valeurs_temporelles(nb_cases);
  le_champ_ext->fixer_nb_valeurs_temporelles(nb_cases);
}
 
void Neumann_sortie_libre::mettre_a_jour(double temps)
{
  Neumann::mettre_a_jour(temps);
  le_champ_ext->mettre_a_jour(temps);
}
 
void Neumann_sortie_libre::set_temps_defaut(double temps)
{
  Neumann::set_temps_defaut(temps);
  le_champ_ext->set_temps_defaut(temps);
}
 
void Neumann_sortie_libre::changer_temps_futur(double temps, int i)
{
  Neumann::changer_temps_futur(temps, i);
  le_champ_ext->changer_temps_futur(temps, i);
}
 
int Neumann_sortie_libre::avancer(double temps)
{
  return Neumann::avancer(temps) && le_champ_ext->avancer(temps);
}
 
int Neumann_sortie_libre::reculer(double temps)
{
  return Neumann::reculer(temps) && le_champ_ext->reculer(temps);
}