Op_Dift_Multiphase_VDF_Face.cpp

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#include <Op_Dift_Multiphase_VDF_Face.h>
#include <VDF_discretisation.h>
#include <Pb_Multiphase.h>
 
Implemente_instanciable_sans_constructeur(Op_Dift_Multiphase_VDF_Face,"Op_Diff_VDFTURBULENTE_Face|Op_Diff_VDFTURBULENT_Face",Op_Dift_VDF_Face_base);
 
Sortie& Op_Dift_Multiphase_VDF_Face::printOn(Sortie& s ) const { return s << que_suis_je() ; }
Entree& Op_Dift_Multiphase_VDF_Face::readOn(Entree& is)
{
  //lecture de la correlation de viscosite turbulente
  Correlation_base::typer_lire_correlation(corr_, equation().probleme(), "viscosite_turbulente", is);
  associer_corr_impl<Type_Operateur::Op_DIFT_MULTIPHASE_FACE, Eval_Dift_Multiphase_VDF_Face>(corr_);
  associer_proto(equation().probleme(), champs_compris_);
  ajout_champs_proto_face();
  return is;
}
 
void Op_Dift_Multiphase_VDF_Face::get_noms_champs_postraitables(Noms& noms,Option opt) const
{
  Op_Dift_VDF_Face_base::get_noms_champs_postraitables(noms,opt);
  get_noms_champs_postraitables_proto(que_suis_je(), noms, opt);
}
 
void Op_Dift_Multiphase_VDF_Face::creer_champ(const Motcle& motlu)
{
  Op_Dift_VDF_Face_base::creer_champ(motlu);
  creer_champ_proto_face(motlu);
}
 
void Op_Dift_Multiphase_VDF_Face::completer()
{
  assert(corr_);
  completer_Op_Dift_VDF_base();
  associer_pb<Eval_Dift_Multiphase_VDF_Face>(equation().probleme());
 
  completer_proto_face(*this);
 
  set_nut_impl<Type_Operateur::Op_DIFT_MULTIPHASE_FACE, Eval_Dift_Multiphase_VDF_Face>(nu_ou_lambda_turb_);
}
 
void Op_Dift_Multiphase_VDF_Face::preparer_calcul()
{
  Op_Dift_VDF_Face_base::preparer_calcul();
  call_compute_nu_turb();
}
 
void Op_Dift_Multiphase_VDF_Face::mettre_a_jour(double temps)
{
  // MAJ nu_t
  nu_ou_lambda_turb_ = 0.;
  call_compute_nu_turb();
  set_nut_impl<Type_Operateur::Op_DIFT_MULTIPHASE_FACE, Eval_Dift_Multiphase_VDF_Face>(nu_ou_lambda_turb_);
  mettre_a_jour_proto_face(temps);
}
 
double Op_Dift_Multiphase_VDF_Face::calculer_dt_stab() const
{
  double dt_stab, coef = -1.e10;
  const Domaine_VDF& domaine_VDF = iter_->domaine();
  const Champ_base& champ_diffu = diffusivite_pour_pas_de_temps();
  const DoubleTab& diffu = diffusivite().valeurs() /* mu */, &rho = equation().milieu().masse_volumique().passe(), &diffu_dt = champ_diffu.valeurs() /* nu */;
  //const DoubleTab* alp = sub_type(Pb_Multiphase, equation().probleme()) ? &ref_cast(Pb_Multiphase, equation().probleme()).equation_masse().inconnue().passe() : nullptr;
  const int cN = (diffu_dt.dimension(0) == 1), cM = (diffu.dimension(0) == 1), cR = (rho.dimension(0) == 1);
 
  double mu_turbulent, mu_physique, nu_physique;
 
  for (int elem = 0; elem < domaine_VDF.nb_elem(); elem++)
    {
      double diflo = 0.;
      double deltax = 0.;
      for (int i = 0; i < Objet_U::dimension; i++)
        {
          const double h = domaine_VDF.dim_elem(elem, i);
          //cout << "h= "<< h << endl;
          deltax += 1. / (h * h);
        }
 
      for (int ncomp = 0; ncomp < nu_ou_lambda_turb_.line_size(); ncomp++)
        {
          mu_turbulent = rho(!cR * elem, ncomp) * nu_ou_lambda_turb_(elem, ncomp);
          mu_physique = diffu(!cM * elem, ncomp);
          nu_physique = diffu_dt(!cN * elem, ncomp);
          diflo = deltax * (mu_physique + mu_turbulent) * (nu_physique / mu_physique);
          coef = std::max(coef, diflo);
        }
    }
 
  coef = Process::mp_max(coef);
  dt_stab = 0.5 / (coef + DMINFLOAT);
 
  return dt_stab;
}