Loi_Etat_Multi_GP_base.cpp

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#include <Loi_Etat_Multi_GP_base.h>
#include <Fluide_Dilatable_base.h>
#include <Champ_Fonc_Tabule.h>
#include <Champ_Uniforme.h>
#include <Champ_Inc_base.h>
#include <Domaine_VF.h>
#include <Debog.h>
 
Implemente_base(Loi_Etat_Multi_GP_base,"Loi_Etat_Multi_Gaz_Parfait_base",Loi_Etat_Melange_GP_base);
 
Sortie& Loi_Etat_Multi_GP_base::printOn(Sortie& os) const
{
  os <<que_suis_je()<< finl;
  return os;
}
 
Entree& Loi_Etat_Multi_GP_base::readOn(Entree& is)
{
  return is;
}
 
 
void Loi_Etat_Multi_GP_base::initialiser_inco_ch()
{
  const int num = liste_Y(0)->valeurs().size();
  masse_mol_mel.resize(num,1);
  calculer_masse_molaire();
  Loi_Etat_base::initialiser_inco_ch();
}
 
void Loi_Etat_Multi_GP_base::calculer_masse_molaire()
{
  calculer_masse_molaire(masse_mol_mel);
  Debog::verifier("Masse_mol_mel",masse_mol_mel);
}
 
/*! @brief Associates the unknown of each mass fraction equation with the state law.
 *
 * @param inconnue The associated unknown field.
 */
void Loi_Etat_Multi_GP_base::associer_inconnue(const Champ_Inc_base& inconnue)
{
  OBS_PTR(Champ_Inc_base) inco;
  inco = inconnue;
  liste_Y.add(inco);
}
 
void Loi_Etat_Multi_GP_base::calculer_Cp()
{
  Champ_Don_base& Cp = le_fluide->capacite_calorifique();
  DoubleTab& tab_Cp = Cp.valeurs();
  calculer_tab_Cp(tab_Cp);
  tab_Cp.echange_espace_virtuel();
  Debog::verifier("tab_Cp",tab_Cp);
}
 
/*! @brief Computes the thermal conductivity.
 *
 */
void Loi_Etat_Multi_GP_base::calculer_lambda()
{
  const Champ_Don_base& mu = le_fluide->viscosite_dynamique();
  const DoubleTab& tab_mu = mu.valeurs();
  Champ_Don_base& lambda = le_fluide->conductivite();
  DoubleTab& tab_lambda = lambda.valeurs();
  const DoubleTab& tab_Cp = le_fluide->capacite_calorifique().valeurs();
  int i, n = tab_lambda.size();
 
  //The conductivity is either a uniform field or computed from the dynamic viscosity and Pr
  if (sub_type(Champ_Fonc_Tabule,lambda))
    {
      lambda.mettre_a_jour(temperature_->temps());
      return;
    }
  if (!sub_type(Champ_Uniforme,lambda))
    {
      if (sub_type(Champ_Uniforme,mu))
        {
          double mu0 = tab_mu(0,0);
          for (i=0 ; i<n ; i++)  tab_lambda(i,0) = mu0 * Cp_ / Pr_;
        }
      else
        for (i=0 ; i<n ; i++) tab_lambda(i,0) = tab_mu(i,0) * tab_Cp(i,0) / Pr_;
    }
  tab_lambda.echange_espace_virtuel();
  Debog::verifier("tab_lambda",tab_lambda);
}
 
/*! @brief Computes the thermal diffusivity.
 *
 */
void Loi_Etat_Multi_GP_base::calculer_alpha()
{
  const Champ_Don_base& lambda = le_fluide->conductivite();
  const DoubleTab& tab_lambda = lambda.valeurs();
  Champ_Don_base& alpha=le_fluide->diffusivite();
  DoubleTab& tab_alpha = le_fluide->diffusivite().valeurs();
  const DoubleTab& tab_rho = le_fluide->masse_volumique().valeurs();
  const DoubleTab& tab_Cp = le_fluide->capacite_calorifique().valeurs();
  int i, n = tab_alpha.size(), isVDF = 0;
  if (alpha.que_suis_je()=="Champ_Fonc_P0_VDF") isVDF = 1;
 
  if (isVDF)
    {
      if (sub_type(Champ_Uniforme,lambda))
        {
          double lambda0 = tab_lambda(0,0);
          for (i=0 ; i<n ; i++)  tab_alpha(i,0) = lambda0 / ( tab_rho(i,0) * tab_Cp(i,0) );
        }
      else
        {
          for (i=0 ; i<n ; i++) tab_alpha(i,0) = tab_lambda(i,0) / ( tab_rho(i,0) * tab_Cp(i,0) );
        }
    }
  else // VEF
    {
      const IntTab& elem_faces=ref_cast(Domaine_VF,le_fluide->vitesse().domaine_dis_base()).elem_faces();
      double rhoelem, Cpelem;
      int face, nfe = elem_faces.line_size();
 
      if (sub_type(Champ_Uniforme,lambda))
        {
          double lambda0 = tab_lambda(0,0);
          for (i=0 ; i<n ; i++)
            {
              rhoelem = 0;
              Cpelem = 0;
              for (face=0; face<nfe; face++)
                {
                  rhoelem += tab_rho(elem_faces(i,face),0);
                  Cpelem += tab_Cp(elem_faces(i,face),0);
                }
              rhoelem /= nfe;
              Cpelem /= nfe;
              tab_alpha(i,0) = lambda0 / ( rhoelem * Cpelem );
            }
        }
      else
        {
          for (i=0 ; i<n ; i++)
            {
              rhoelem = 0;
              Cpelem = 0;
              for (face=0; face<nfe; face++)
                {
                  rhoelem += tab_rho(elem_faces(i,face),0);
                  Cpelem += tab_Cp(elem_faces(i,face),0);
                }
              rhoelem /= nfe;
              Cpelem /= nfe;
              tab_alpha(i,0) = tab_lambda(i,0) / ( rhoelem * Cpelem );
            }
        }
    }
  tab_alpha.echange_espace_virtuel();
  Debog::verifier("alpha",tab_alpha);
}
 
double Loi_Etat_Multi_GP_base::calculer_masse_volumique(double P, double T, double r) const
{
  if (inf_ou_egal(T,0))
    {
      Cerr << finl << "Warning: Temperature T must be defined in Kelvin." << finl;
      Cerr << "Check your data file." << finl;
      Process::exit();
    }
  return P / ( r * T );
}
 
double Loi_Etat_Multi_GP_base::calculer_masse_volumique(double P, double T) const
{
  Cerr << "You should not call the method Loi_Etat_Multi_GP_base::calculer_masse_volumique(double P, double T) !" << finl;
  Process::exit();
  return -1000.;
}
 
/*! @brief Computes the dynamic viscosity.
 *
 */
void Loi_Etat_Multi_GP_base::calculer_mu()
{
  Champ_Don_base& mu = le_fluide->viscosite_dynamique();
  if (!sub_type(Champ_Uniforme,mu))
    {
      if (sub_type(Champ_Fonc_Tabule,mu)) mu.mettre_a_jour(temperature_->temps());
      else calculer_mu_wilke();
    }
}
 
void Loi_Etat_Multi_GP_base::calculer_tab_mu(const DoubleTab& mu, int size)
{
  // Dynamic viscosity is on elem
  DoubleTab& tab_mu = le_fluide->viscosite_dynamique().valeurs();
  const int nb_elem = tab_mu.size();
  if (nb_elem==size) // VDF
    {
      for (int elem=0; elem < nb_elem; elem++) tab_mu(elem,0) = mu(elem);
    }
  else // VEF (average on elem from values on face);
    {
      const IntTab& elem_faces=ref_cast(Domaine_VF,le_fluide->vitesse().domaine_dis_base()).elem_faces();
      const int nfe = elem_faces.line_size();
      tab_mu = 0;
      for (int elem=0; elem<nb_elem; elem++)
        {
          for (int face = 0; face < nfe; face++) tab_mu(elem,0) += mu(elem_faces(elem, face));
 
          tab_mu(elem,0) /= nfe;
        }
    }
  tab_mu.echange_espace_virtuel();
  Debog::verifier("tab_mu", tab_mu);
}