Source_Dissipation_echelle_temp_taux_diss_turb.cpp

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#include <Source_Dissipation_echelle_temp_taux_diss_turb.h>
 
#include <Dissipation_type_helpers.h>
#include <Milieu_composite.h>
#include <Equation_base.h>
#include <Pb_Multiphase.h>
#include <Matrix_tools.h>
#include <Array_tools.h>
#include <Domaine_VF.h>
 
Implemente_base(Source_Dissipation_echelle_temp_taux_diss_turb, "Source_Dissipation_echelle_temp_taux_diss_turb", Sources_Multiphase_base);
// XD Source_Dissipation_echelle_temp_taux_diss_turb source_base Source_Dissipation_echelle_temp_taux_diss_turb NO_BRACE
// XD_CONT Source term which corresponds to the dissipation source term that appears in the transport equation for tau
// XD_CONT (in the k-tau turbulence model)
 
Sortie& Source_Dissipation_echelle_temp_taux_diss_turb::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Source_Dissipation_echelle_temp_taux_diss_turb::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("beta_omega", &beta_omega_);
  param.lire_avec_accolades_depuis(is);
  return is;
}
 
void Source_Dissipation_echelle_temp_taux_diss_turb::ajouter_blocs(matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl)  const
{
  const Domaine_VF& domaine = ref_cast(Domaine_VF, equation().domaine_dis());
  const DoubleTab& diss = equation().inconnue().valeurs();
  const DoubleTab& pdiss = equation().inconnue().passe();
  const DoubleVect& pe = equation().milieu().porosite_elem(), &ve = domaine.volumes();
 
  const int nb_elem = domaine.nb_elem();
  const int N = diss.line_size();
 
  const std::string Type_diss = get_dissipation_type(equation());
  Matrice_Morse *Mdiss = matrices.count(Type_diss) ? matrices.at(Type_diss) : nullptr;
 
  assert(N == 1);
 
  for (int e = 0; e < nb_elem; e++)
    for (int n = 0; n < N; n++)
      {
        const double peve = pe(e) * ve(e);
 
        if (Type_diss == "tau")
          {
            // Source: beta_omega (constant source)
            secmem(e, n) += peve * beta_omega_;
          }
        else if (Type_diss == "omega")
          {
            // Source: -beta_omega * omega^2 (linearized)
            secmem(e, n) -=
              peve * beta_omega_ * pdiss(e, n) * (pdiss(e, n) + 2 * (diss(e, n) - pdiss(e, n)));
 
            // Jacobian w.r.t. omega: d/domega(-beta_omega * omega^2) = -2 * beta_omega * omega
            if (Mdiss)
              (*Mdiss)(N *e + n, N * e + n) += peve * beta_omega_ * 2 * pdiss(e, n);
          }
      }
}