Viscosite_turbulente_WIF.h

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#ifndef Viscosite_turbulente_WIF_included
#define Viscosite_turbulente_WIF_included
#include <TRUSTTab.h>
#include <Viscosite_turbulente_base.h>
 
/*! @brief classe Viscosite_turbulente_WIF Renvoie le tenseur de Reynolds pour une turbulence de bulles de type WIF ; ce tenseur est anisotrope
 *
 *     (Energie_cinetique_turbulente / Echelle_temporelle_turbulente)
 *
 *
 */
class Viscosite_turbulente_WIF : public Viscosite_turbulente_base
{
  Declare_instanciable(Viscosite_turbulente_WIF);
public:
  void eddy_viscosity(DoubleTab& nu_t) const override;
  void reynolds_stress(DoubleTab& R_ij) const override;
  void k_over_eps(DoubleTab& k_sur_eps) const override;
  inline double limiteur() const {return limiter_;};
  int gradu_required() const override {  return 1; };
  void eps(DoubleTab& eps) const override;
 
private:
  double limiter_ = 0.0; //"limiteur" fournissant une valeur minimale de la viscosite turbulente : nu_t = max(k * tau, nu_visc * limiter_) ; a 0. par defaut car il y en a deja un pour la SPT
  double gamma_ = 1.; // rapport d'aspect moyen des bulles ; mis sous forme de double pour le moment ; possibilite d'ajouter une fermeture a l'avenir
};
 
#endif