Portance_interfaciale_Constante.cpp

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#include <Portance_interfaciale_Constante.h>
#include <Pb_Multiphase.h>
#include <math.h>
 
Implemente_instanciable(Portance_interfaciale_Constante, "Portance_interfaciale_Constante", Portance_interfaciale_base);
 
Sortie& Portance_interfaciale_Constante::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Portance_interfaciale_Constante::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("Cl", &Cl_, Param::REQUIRED);
  param.lire_avec_accolades_depuis(is);
 
  const Pb_Multiphase *pbm = sub_type(Pb_Multiphase, pb_.valeur()) ? &ref_cast(Pb_Multiphase, pb_.valeur()) : nullptr;
 
  if (!pbm || pbm->nb_phases() == 1) Process::exit(que_suis_je() + " : not needed for single-phase flow!");
  for (int n = 0; n < pbm->nb_phases(); n++) //search for n_l, n_g: continuous {liquid,gas} phase with priority
    if (pbm->nom_phase(n).debute_par("liquide") && (n_l < 0 || pbm->nom_phase(n).finit_par("continu")))  n_l = n;
 
  if (n_l < 0) Process::exit(que_suis_je() + " : liquid phase not found!");
 
  return is;
}
 
void Portance_interfaciale_Constante::coefficient(const input_t& in, output_t& out) const
{
  int k, N = out.Cl.dimension(0);
 
  double fac = (in.alpha[n_l]>0.3) ? 1. : ( in.alpha[n_l] <0.05 ? 0 : (in.alpha[n_l]-0.05)/0.25 );
 
  for (k = 0; k < N; k++)
    if (k!=n_l) // k gas phase
      {
        out.Cl(k, n_l) = Cl_ * in.rho[n_l] * in.alpha[k] * fac ;
        out.Cl(n_l, k) =  out.Cl(k, n_l);
      }
}