Transport_turbulent_aire_interfaciale.cpp

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#include <Transport_turbulent_aire_interfaciale.h>
#include <Pb_Multiphase.h>
#include <TRUSTTrav.h>
#include <Param.h>
 
// Isao Kataoka, Kenji Yoshida, Masanori Naitoh, Hidetoshi Okada, Tadashi Morii, Modeling of turbulent transport term of interfacial area concentration in gas–liquid two-phase flow,
// Nuclear Engineering and Design, Volume 253, 2012, Pages 322-330, https://doi.org/10.1016/j.nucengdes.2011.08.062.
 
Implemente_instanciable(Transport_turbulent_aire_interfaciale, "Transport_turbulent_aire_interfaciale", Transport_turbulent_base);
// XD type_diffusion_turbulente_multiphase_aire_interfaciale type_diffusion_turbulente_multiphase_deriv aire_interfaciale BRACE not_set
 
Sortie& Transport_turbulent_aire_interfaciale::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Transport_turbulent_aire_interfaciale::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("CstDiff", &cst_diff);// XD_ADD_P floattant
  // XD_CONT Kataoka diffusion model constant. By default it is se to 0.236.
  param.ajouter("ng2", &n_g2); // XD_ADD_P floattant
  // XD_CONT not_set
  param.lire_avec_accolades_depuis(is);
  return is;
}
 
// Modifier_nu modifies mu: alpha and rho are part of the term
void Transport_turbulent_aire_interfaciale::modifier_mu(const Convection_Diffusion_std& eq, const Viscosite_turbulente_base& visc_turb, DoubleTab& nu) const
{
  const DoubleTab& d_b_p = eq.probleme().get_champ("diametre_bulles").passe(),
                   *k_turb = (eq.probleme().has_champ("k")) ? &eq.probleme().get_champ("k").passe() : nullptr ;
  const int  nl = nu.dimension(0), N = nu.dimension(1), D = dimension;
 
  if (nu.nb_dim() == 2)
    for (int i = 0; i < nl; i++)
      for (int n = 0; n < 1; n++) //isotrope
        nu(i, n) = (n == n_g2) ? 0.825 * d_b_p(i,n) * std::sqrt((*k_turb)(i,n)) :  cst_diff * d_b_p(i,n) * std::sqrt((*k_turb)(i,n));
  else if (nu.nb_dim() == 3)
    for (int i = 0; i < nl; i++)
      for (int n = 0; n < N; n++)
        for (int d = 0; d < D; d++) //anisotrope diagonal
          nu(i, n, d) = (n == n_g2) ? 0.825 * d_b_p(i,n) * std::sqrt((*k_turb)(i,n)) : cst_diff * d_b_p(i,n) * std::sqrt((*k_turb)(i,n));
  else
    for (int i = 0; i < nl; i++)
      for (int n = 0; n < N; n++)
        for (int d = 0; d < D; d++) //anisotrope complet
          nu(i, n, d, d) = (n == n_g2) ? 0.825 * d_b_p(i,n) * std::sqrt((*k_turb)(i,n)) : cst_diff * d_b_p(i,n) * std::sqrt((*k_turb)(i,n));
}