Portance_interfaciale_Tomiyama_complet.cpp

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// Neptune CFD like force no publication
 
#include <Portance_interfaciale_Tomiyama_complet.h>
#include <Pb_Multiphase.h>
#include <Sources_helpers_Multiphase.h>
#include <math.h>
 
Implemente_instanciable(Portance_interfaciale_Tomiyama_complet, "Portance_interfaciale_Tomiyama_complet", Portance_interfaciale_base);
 
Sortie& Portance_interfaciale_Tomiyama_complet::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Portance_interfaciale_Tomiyama_complet::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("constante_gravitation", &g_);
  param.lire_avec_accolades_depuis(is);
 
  n_l = find_liquid_phase();
 
  return is;
}
 
void Portance_interfaciale_Tomiyama_complet::coefficient(const input_t& in, output_t& out) const
{
  int k, N = out.Cl.dimension(0);
 
  for (k = 0; k < N; k++)
    if (k!=n_l) // k gas phase
      {
        const int ind_trav = sigma_pair_index(k, n_l, N);
 
        double Re = in.rho[n_l] * in.nv(n_l, k) * in.d_bulles[k]/in.mu[n_l];
        const double Eo = eotvos_number(g_, in.rho[n_l], in.rho[k], in.d_bulles[k], in.sigma[ind_trav]);
        double f_Eo = std::max(.00105*Eo*Eo*Eo - .0159*Eo*Eo - .0204*Eo + .474,-0.27);
        double Cl;
        if (Eo<4) Cl = std::min( .288*std::tanh( .121*Re ), f_Eo) ;
        else      Cl = f_Eo ;
 
        out.Cl(k, n_l) = Cl * in.rho[n_l] * in.alpha[k] ;
        out.Cl(n_l, k) =  out.Cl(k, n_l);
      }
}