Production_WIT_PolyMAC_MPFA.cpp

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#include <Production_WIT_PolyMAC_MPFA.h>
 
#include <Domaine_PolyMAC_MPFA.h>
#include <Sources_helpers_Multiphase.h>
 
 
Implemente_instanciable(Production_WIT_PolyMAC_MPFA,"Production_WIT_Elem_PolyMAC_MPFA", Source_base);
 
Sortie& Production_WIT_PolyMAC_MPFA::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Production_WIT_PolyMAC_MPFA::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("Reb_c", &Reb_c_);
  param.ajouter("constante_gravitation", &g_);
  param.lire_avec_accolades_depuis(is);
 
  n_l_ = find_liquid_phase(ref_cast(Pb_Multiphase, equation().probleme()), que_suis_je());
 
  return is;
}
 
void Production_WIT_PolyMAC_MPFA::dimensionner_blocs(matrices_t matrices, const tabs_t& semi_impl) const
{
// empty : no derivative to add in the blocks
}
 
void Production_WIT_PolyMAC_MPFA::ajouter_blocs(matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl) const
{
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, equation().domaine_dis());
  const DoubleTab& tab_rho = equation().probleme().get_champ("masse_volumique").passe();
  const DoubleTab& tab_alp = equation().probleme().get_champ("alpha").passe();
  const DoubleTab& vit = equation().probleme().get_champ("vitesse").passe();
  const DoubleTab& diam = equation().probleme().get_champ("diametre_bulles").valeurs();
  const DoubleTab& nu = equation().probleme().get_champ("viscosite_cinematique").passe();
 
  const DoubleVect& pe = equation().milieu().porosite_elem();
  const DoubleVect& ve = domaine.volumes();
 
  const int Nk = equation().inconnue().valeurs().dimension(1);
  const int N = ref_cast(Pb_Multiphase, equation().probleme()).nb_phases();
  const int ne = domaine.nb_elem();
  const int nf_tot = domaine.nb_faces_tot();
  const int D = dimension;
 
  if (Nk != 1)
    Process::exit("WIT is only in the liquid phase");
 
  if (D != 3)
    Process::exit("WIT is only coded for 3 dimensions");
 
  for(int e = 0 ; e < ne ; e++)
    for (int k = 0 ; k < N ; k++)
      if (k != n_l_)
        {
          const double u_r = relative_velocity_norm(vit, nf_tot, D, e, k, n_l_);
          const double Reb = diam(e, k) * u_r / nu(e, n_l_);
          secmem(e, 0) += ve(e) * pe(e) * tab_alp(e, k) * (tab_rho(e, n_l_) - tab_rho(e, k)) / tab_rho(e, n_l_) * g_ * u_r * (0.9 - exp(-Reb / Reb_c_));
        }
}