Convection_Diffusion_Phase_field.cpp

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#include <Convection_Diffusion_Phase_field.h>
#include <Navier_Stokes_phase_field.h>
#include <Frontiere_dis_base.h>
#include <Milieu_Phase_field.h>
#include <Matrice_Morse_Sym.h>
#include <Probleme_base.h>
#include <Fluide_base.h>
#include <Discret_Thyd.h>
#include <TRUSTTrav.h>
#include <Param.h>
 
//#include <Mass_Redistribution_Phase_Field.h>
 
Implemente_instanciable(Convection_Diffusion_Phase_field,"Convection_Diffusion_Phase_field",Convection_Diffusion_Concentration);
// XD convection_diffusion_phase_field convection_diffusion_concentration convection_diffusion_phase_field INHERITS_BRACE Cahn-Hilliard equation of the Phase Field problem. The unknown of this equation is the concentration C.
// XD attr mu_1 floattant mu_1 OPT Dynamic viscosity of the first phase.
// XD attr mu_2 floattant mu_2 OPT Dynamic viscosity of the second phase.
// XD attr rho_1 floattant rho_1 OPT Density of the first phase.
// XD attr rho_2 floattant rho_2 OPT Density of the second phase.
// XD attr potentiel_chimique_generalise chaine(into=["avec_energie_cinetique","sans_energie_cinetique"]) potentiel_chimique_generalise REQ To define (chaine set to avec_energie_cinetique) or not (chaine set to sans_energie_cinetique) if the Cahn-Hilliard equation contains the cinetic energy term.
 
Sortie& Convection_Diffusion_Phase_field::printOn(Sortie& is) const
{
  return Convection_Diffusion_Concentration::printOn(is);
}
 
Entree& Convection_Diffusion_Phase_field::readOn(Entree& is)
{
  return Convection_Diffusion_Concentration::readOn(is);
}
 
void Convection_Diffusion_Phase_field::set_param(Param& param) const
{
  Convection_Diffusion_Concentration::set_param(param);
  param.ajouter_non_std("potentiel_chimique_generalise", (this), Param::REQUIRED);
}
 
int Convection_Diffusion_Phase_field::lire_motcle_non_standard(const Motcle& mot, Entree& is)
{
  if (mot == "potentiel_chimique_generalise")
    {
      Motcle temp_mutype_;
      is >> temp_mutype_;
      if (temp_mutype_ == "avec_energie_cinetique")
        mutype_ = 1;
      else if (temp_mutype_ == "sans_energie_cinetique")
        mutype_ = 0;
      else
        Process::exit("Allowed keywords for potentiel_chimique_generalise are : avec_energie_cinetique or sans_energie_cinetique");
      return 1;
    }
  else if (mot=="diffusion")
    {
      /*
       * XXX : Elie Saikali : on pirate l'att terme_diffusif pour forcer a negligeable ... eviter des soucis.
       * et ce qu'on trouve dans le jdd on passe a terme_diffusif_bidon_
       */
      Cerr << "Reading and typing of the diffusion operator of Convection_Diffusion_Phase_field : " << finl;
      EChaine ngl(" { negligeable }");
      terme_diffusif.associer_diffusivite(diffusivite_pour_transport());
      ngl >> terme_diffusif;
      terme_diffusif.associer_diffusivite_pour_pas_de_temps(diffusivite_pour_pas_de_temps());
 
      Cerr << "Reading and typing a useless diffusion operator from data file : " << finl;
      Operateur_Diff terme_diffusif_bidon_;
      terme_diffusif_bidon_.associer_eqn(*this);
      terme_diffusif_bidon_.associer_diffusivite(diffusivite_pour_transport());
      is >> terme_diffusif_bidon_;
      terme_diffusif_bidon_.associer_diffusivite_pour_pas_de_temps(diffusivite_pour_pas_de_temps());
      return 1;
    }
  else
    return Convection_Diffusion_Concentration::lire_motcle_non_standard(mot, is);
}
 
/*! @brief Discretise l'equation.
 *
 */
void Convection_Diffusion_Phase_field::discretiser()
{
  const Discret_Thyd& dis = ref_cast(Discret_Thyd, discretisation());
  const Milieu_Phase_field& mil = ref_cast(Milieu_Phase_field, le_fluide_.valeur());
  nb_constituants_ =  mil.get_fermeture().get_nb_constituants() /* BEEM */;
 
  Cerr << "Discretisation de mutilde " << finl;
  dis.discretiser_champ("temperature", domaine_dis(), "potentiel_chimique_generalise", ".", nb_constituants_, schema_temps().temps_courant(), ch_mutilde_);
  champs_compris_.ajoute_champ(ch_mutilde_);
 
  const Navier_Stokes_std& eq_ns = ref_cast(Navier_Stokes_std, probleme().equation(0));
  gradient_.associer_eqn(eq_ns);
  gradient_.typer();
  gradient_.l_op_base().associer_eqn(*this);
 
  /*
   * XXX Elie Saikali : on saute la classe mere ...
   */
  Cerr << "Transport concentration(s) equation discretization " << finl;
  dis.concentration(schema_temps(), domaine_dis(), la_concentration, nb_constituants_);
  champs_compris_.ajoute_champ(la_concentration);
  Equation_base::discretiser();
 
  Cerr << "Convection_Diffusion_Phase_field::discretiser() ok" << finl;
}
 
void Convection_Diffusion_Phase_field::completer()
{
  Equation_base::completer();
  gradient_.completer();
}
 
Operateur_Grad& Convection_Diffusion_Phase_field::operateur_gradient()
{
  return gradient_;
}
const Operateur_Grad& Convection_Diffusion_Phase_field::operateur_gradient() const
{
  return gradient_;
}
 
int Convection_Diffusion_Phase_field::preparer_calcul()
{
  /*
   * XXX Elie Saikali : on saute la classe mere ...
   */
  Equation_base::preparer_calcul();
 
  Cerr << "Convection_Diffusion_Phase_field::preparer_calcul" << finl;
 
  // ATTENTION : avec le nouveau modele, on n'utilise plus div_alpha_rho_gradC mais
  // div_alpha_gradC. Si on veut reutiliser l'ancienne forme, il faut remodifier le code.
 
  // mutilde, div_alpha_gradC, alpha_gradC_carre et pression_thermo
  // ont la meme structure que la concentration
 
  mutilde_ = inconnue().valeurs();
  mutilde_ = 0.;
 
  //Mass_Redistribution_Phase_Field::c_ini = inconnue().valeurs();//Mass_redistribution
 
  // si on traite une variable avec "dis." (voir discretiser()), l'operation "resize" est inutile car "dis." s'en charge.
  // En sequentiel : resize() autorise
  // En parallele : resize() interdit, car alors on ne prend pas en compte les joints
 
  div_alpha_rho_gradC_ = inconnue().valeurs();
  div_alpha_rho_gradC_ = 0.;
 
  div_alpha_gradC_ = inconnue().valeurs();
  div_alpha_gradC_ = 0.;
 
  alpha_gradC_carre_ = div_alpha_gradC_;
 
  sources().mettre_a_jour(schema_temps().temps_courant());
  return 1;
}
 
void Convection_Diffusion_Phase_field::associer_milieu_base(const Milieu_base& mil)
{
  le_fluide_ = ref_cast(Fluide_base, mil);
}
 
const Champ_Don_base& Convection_Diffusion_Phase_field::diffusivite_pour_transport() const
{
  return le_fluide_->viscosite_cinematique(); /* inutile */
}
 
const Milieu_base& Convection_Diffusion_Phase_field::milieu() const
{
  return le_fluide_.valeur();
}
 
Milieu_base& Convection_Diffusion_Phase_field::milieu()
{
  return le_fluide_.valeur();
}
 
void Convection_Diffusion_Phase_field::mettre_a_jour(double temps)
{
  Equation_base::mettre_a_jour(temps);
}