Taux_dissipation_turbulent.cpp

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#include <Taux_dissipation_turbulent.h>
#include <Pb_Multiphase.h>
#include <Discret_Thyd.h>
#include <Domaine_VF.h>
#include <Domaine.h>
#include <Avanc.h>
#include <Debog.h>
#include <Frontiere_dis_base.h>
#include <EcritureLectureSpecial.h>
#include <Champ_Uniforme.h>
#include <Matrice_Morse.h>
#include <Navier_Stokes_std.h>
#include <TRUSTTrav.h>
#include <Neumann_sortie_libre.h>
#include <Op_Conv_negligeable.h>
#include <Param.h>
#include <Schema_Implicite_base.h>
#include <SETS.h>
#include <EChaine.h>
#include <Scalaire_impose_paroi.h>
#include <Echange_global_impose.h>
 
#define old_forme
 
Implemente_instanciable(Taux_dissipation_turbulent,"Taux_dissipation_turbulent",Convection_diffusion_turbulence_multiphase);
 
/*! @brief Simple appel a: Convection_diffusion_turbulence_multiphase::printOn(Sortie&)
 *
 * @param (Sortie& is) un flot de sortie
 * @return (Sortie&) le flot de sortie modifie
 */
Sortie& Taux_dissipation_turbulent::printOn(Sortie& is) const
{
  return Convection_diffusion_turbulence_multiphase::printOn(is);
}
 
/*! @brief Verifie si l'equation a une inconnue et un fluide associe et appelle Convection_Diffusion_std::readOn(Entree&).
 *
 * @param (Entree& is) un flot d'entree
 * @return (Entree& is) le flot d'entree modifie
 */
Entree& Taux_dissipation_turbulent::readOn(Entree& is)
{
  Convection_diffusion_turbulence_multiphase::readOn(is);
  terme_convectif.set_fichier("Convection_taux_dissipation_turbulent");
  terme_convectif.set_description((Nom)"Turbulent dissipation rate=Integral(-omega*ndS)");
  terme_diffusif.set_fichier("Diffusion_taux_dissipation_turbulent");
  terme_diffusif.set_description((Nom)"Turbulent dissipation rate=Integral(nu*grad(omega)*ndS)");
  return is;
}
 
const Champ_Don_base& Taux_dissipation_turbulent::diffusivite_pour_transport() const
{
  return ref_cast(Fluide_base, milieu()).viscosite_cinematique();
}
 
const Champ_base& Taux_dissipation_turbulent::diffusivite_pour_pas_de_temps() const
{
  return ref_cast(Fluide_base, milieu()).viscosite_cinematique();
}
 
/*! @brief Discretise l'equation.
 *
 */
void Taux_dissipation_turbulent::discretiser()
{
  const int nb_valeurs_temp = schema_temps().nb_valeurs_temporelles();
  const double temps = schema_temps().temps_courant();
  const Discret_Thyd& dis = ref_cast(Discret_Thyd, discretisation());
  Cerr << "Turbulent dissipation rate discretization" << finl;
  //On utilise temperature pour la directive car discretisation identique
  dis.discretiser_champ("temperature", domaine_dis(), "omega", "s", 1,
                        nb_valeurs_temp, temps, l_inco_ch);//une seule compo, meme en multiphase
  l_inco_ch->fixer_nature_du_champ(scalaire);
  l_inco_ch->fixer_nom_compo(0, Nom("omega"));
  champs_compris_.ajoute_champ(l_inco_ch);
  Equation_base::discretiser();
  Cerr << "Taux_dissipation_turbulent::discretiser() ok" << finl;
}
 
void Taux_dissipation_turbulent::calculer_omega(const Objet_U& obj, DoubleTab& val,
                                                DoubleTab& bval, tabs_t& deriv)
{
  const Equation_base& eqn = ref_cast(Equation_base, obj);
  const DoubleTab& omega = eqn.inconnue().valeurs();
 
  /* valeurs du champ */
  const int N = val.dimension_tot(1);
  const int Nl = val.dimension_tot(0);
  for (int i = 0; i < Nl; i++)
    for (int n = 0; n < N; n++)
      val(i, n) = omega(i, n);
 
  /* on ne peut utiliser valeur_aux_bords que si ch_rho a un domaine_dis_base */
  const DoubleTab& b_omega = eqn.inconnue().valeur_aux_bords();
  const int Nb = b_omega.dimension_tot(0);
  for (int i = 0; i < Nb; i++)
    for (int n = 0; n < N; n++)
      bval(i, n) = b_omega(i, n);
 
  //derivee en omega : 1.
  DoubleTab& d_omega = deriv["omega"];
  d_omega.resize(Nl, N);
  for (int i = 0; i < Nl; i++)
    for (int n = 0; n < N; n++)
      d_omega(i, n) = 1.;
}