Loi_Etat_TPPI_QC_base.cpp

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#include <Fluide_Dilatable_base.h>
#include <Loi_Etat_TPPI_QC_base.h>
#include <Champ_Uniforme.h>
#include <Domaine_VF.h>
 
 
Implemente_base(Loi_Etat_TPPI_QC_base, "Loi_Etat_TPPI_QC_base", Loi_Etat_TPPI_base);
// XD loi_etat_tppi_base loi_etat_base loi_etat_tppi_base INHERITS_BRACE Basic class for thermo-physical properties
// XD_CONT interface (TPPI) used for dilatable problems
 
Sortie& Loi_Etat_TPPI_QC_base::printOn(Sortie& os) const { return os << que_suis_je() << finl; }
Entree& Loi_Etat_TPPI_QC_base::readOn(Entree& is) { return Loi_Etat_TPPI_base::readOn(is); }
 
void Loi_Etat_TPPI_QC_base::preparer_calcul()
{
  Loi_Etat_TPPI_base::preparer_calcul();
  if (!vec_press_filled_) init_vec_press();
}
 
void Loi_Etat_TPPI_QC_base::init_vec_press()
{
  const double Pth = le_fluide->pression_th();
  vec_press_.resize(le_fluide->inco_chaleur().valeurs().dimension(0));
  for (auto &itr : vec_press_) itr = Pth;
  vec_press_filled_ = true;
}
 
// In order, the following steps are performed:
//
//    calculer_Cp();
//    calculer_mu();
//    calculer_lambda();
//    calculer_nu();
//    calculer_alpha();
//    calculer_mu_sur_Sc();
//    calculer_nu_sur_Sc();
void Loi_Etat_TPPI_QC_base::calculer_Cp()
{
  if (!vec_press_filled_) init_vec_press();
  const DoubleTab& tab_ICh = le_fluide->inco_chaleur().valeurs();
  SpanD temp_span = tab_ICh.get_span(), p_span = SpanD(vec_press_);
 
  /* Step 2 : Mu */
  Champ_Don_base& mu = le_fluide->viscosite_dynamique();
  DoubleTab& tab_mu = mu.valeurs();
  TPPI_->tppi_get_mu_pT(p_span, temp_span, tab_mu.get_span());
  tab_mu.echange_espace_virtuel();
  mu.mettre_a_jour(temperature_->temps());
 
  /* Step 3 : Lambda */
  Champ_Don_base& lambda = le_fluide->conductivite();
  DoubleTab& tab_lambda = lambda.valeurs();
  TPPI_->tppi_get_lambda_pT(p_span, temp_span, tab_lambda.get_span());
  tab_lambda.echange_espace_virtuel();
 
  /* Step 4 : Alpha */
  Champ_Don_base& alpha = le_fluide->diffusivite();
  DoubleTab& tab_alpha = alpha.valeurs();
  const DoubleTab& tab_rho = le_fluide->masse_volumique().valeurs();
 
  const bool isVDF = (alpha.que_suis_je() == "Champ_Fonc_P0_VDF") ? true : false;
 
  if (isVDF)
    for (int i = 0; i < tab_alpha.dimension(0); i++)
      tab_alpha(i, 0) = tab_lambda(i, 0) / (tab_rho(i, 0) * Cp_);
  else
    {
      const IntTab& elem_faces = ref_cast(Domaine_VF, le_fluide->vitesse().domaine_dis_base()).elem_faces();
      const int nfe = elem_faces.line_size();
      for (int i = 0; i < tab_alpha.dimension(0); i++)
        {
          double rhoelem = 0.;
          for (int face = 0; face < nfe; face++)
            rhoelem += tab_rho(elem_faces(i, face), 0);
          rhoelem /= nfe;
          tab_alpha(i, 0) = tab_lambda(i, 0) / (rhoelem * Cp_);
        }
    }
  tab_alpha.echange_espace_virtuel();
}
 
void Loi_Etat_TPPI_QC_base::calculer_masse_volumique()
{
  if (!vec_press_filled_) init_vec_press();
  const DoubleTab& tab_ICh = le_fluide->inco_chaleur().valeurs();
  DoubleTab& tab_rho = le_fluide->masse_volumique().valeurs();
  SpanD temp_span = tab_ICh.get_span(),  p_span = SpanD(vec_press_), rho_span = tab_rho_np1.get_span();
  TPPI_->tppi_get_rho_pT(p_span, temp_span, rho_span);
 
  for (int som = 0; som < tab_rho.size(); som++) tab_rho(som, 0) = 0.5 * (tab_rho_n(som) + tab_rho_np1(som));
 
  tab_rho.echange_espace_virtuel();
  tab_rho_np1.echange_espace_virtuel();
  le_fluide->calculer_rho_face(tab_rho_np1);
}