Cond_lim_omega_dix.cpp

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#include <Cond_lim_omega_dix.h>
#include <Echelle_temporelle_turbulente.h>
#include <Taux_dissipation_turbulent.h>
#include <Loi_paroi_adaptative.h>
#include <Equation_base.h>
#include <Pb_Multiphase.h>
#include <Domaine_VF.h>
#include <TRUSTTrav.h>
#include <Motcle.h>
#include <math.h>
 
Implemente_instanciable(Cond_lim_omega_dix, "Cond_lim_omega_dix", Dirichlet_loi_paroi);
// XD Cond_lim_omega_dix condlim_base Cond_lim_omega_dix BRACE Adaptive wall law boundary condition for turbulent
// XD_CONT dissipation rate
 
Sortie& Cond_lim_omega_dix::printOn(Sortie& s ) const
{
  return s << que_suis_je() << "\n";
}
 
Entree& Cond_lim_omega_dix::readOn(Entree& s )
{
  Param param(que_suis_je());
  param.ajouter("beta_omega", &beta_omega_);  // XD_ADD_P floattant Beta constant of the omega wall condition.
  param.ajouter("beta_k", &beta_k_);  // XD_ADD_P floattant Beta constant of the k wall condition.
  param.ajouter("von_karman", &von_karman_);  // XD_ADD_P floattant Von Karman constant.
  param.ajouter("facteur_paroi", &facteur_paroi_);  // XD_ADD_P floattant Wall factor applied to the omega condition.
  param.lire_avec_accolades_depuis(s);
 
  le_champ_front.typer("Champ_front_vide");
 
  return s;
}
 
void Cond_lim_omega_dix::completer()
{
  if (sub_type(Echelle_temporelle_turbulente, domaine_Cl_dis().equation()))
    Process::exit(que_suis_je() + " : you cannot define such a BC for tau equation, only for omega. Use scalaire_impose_paroi Champ_front_uniforme 1 0 for tau.");
  else if (!sub_type(Taux_dissipation_turbulent, domaine_Cl_dis().equation()))
    Process::exit(que_suis_je() + " : equation must be tau/omega !");
 
  const int N = domaine_Cl_dis().equation().inconnue().valeurs().line_size();
  if (N > 1)
    Process::exit(que_suis_je() + " : Only one phase for turbulent wall law is coded for now");
 
  correlation_loi_paroi_ = domaine_Cl_dis().equation().probleme().get_correlation("Loi_paroi");
}
 
void Cond_lim_omega_dix::me_calculer()
{
  Loi_paroi_adaptative& corr_loi_paroi = ref_cast(Loi_paroi_adaptative, correlation_loi_paroi_.valeur());
  const Domaine_VF& domaine = ref_cast(Domaine_VF, domaine_Cl_dis().equation().domaine_dis());
  const DoubleTab& u_tau = corr_loi_paroi.get_tab("u_tau");
  const DoubleTab& nu_visc = ref_cast(Convection_diffusion_turbulence_multiphase, domaine_Cl_dis().equation()).diffusivite_pour_pas_de_temps().passe();
 
  const int cnu = nu_visc.dimension(0) == 1;
  const int nf = la_frontiere_dis->frontiere().nb_faces();
  const int f1 = la_frontiere_dis->frontiere().num_premiere_face();
  const IntTab& f_e = domaine.face_voisins();
 
  int n = 0 ; // Carrying phase is 0 for turbulent flows
 
  for (int f = 0; f < nf; f++)
    {
      const int f_domaine = f + f1; // number of the face in the domaine
      const int e_domaine = (f_e(f_domaine,0) >= 0) ? f_e(f_domaine, 0) : f_e(f_domaine, 1); // Make orientation vdf-proof
      const double y_loc = f_e(f_domaine,0) >= 0 ? domaine.dist_face_elem0(f_domaine, e_domaine) : domaine.dist_face_elem1(f_domaine, e_domaine);
 
      d_(f, n) = facteur_paroi_*calc_omega(y_loc, u_tau(f_domaine, n), nu_visc(!cnu * e_domaine, n));
    }
  d_.echange_espace_virtuel();
}
 
double Cond_lim_omega_dix::calc_omega(const double y, const double u_tau, const double visc)
{
  return 6 * visc / (beta_omega_ * y * y);
}