Transport_turbulent_SGDH.h

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#ifndef Transport_turbulent_SGDH_included
#define Transport_turbulent_SGDH_included
#include <TRUSTTab.h>
#include <Transport_turbulent_base.h>
 
/*! @brief Simple Gradient Diffusion Hypothesis (SGDH) turbulent transport model:
 *
 *     < u'_i theta'> = - nu_t / Pr_t d_i theta = - sigma_t nu_t d_i theta
 *     (the user may supply either sigma_t or Pr_t)
 *
 */
class Transport_turbulent_SGDH : public Transport_turbulent_base
{
  Declare_instanciable(Transport_turbulent_SGDH);
public:
  int dimension_min_nu() const override
  {
    return 1; //isotrope
  }
  void modifier_mu(const Convection_Diffusion_std& eq, const Viscosite_turbulente_base& visc_turb, DoubleTab& nu) const override;
  inline double sigma() const {return sigma_;};
 
private:
  double sigma_ = 1; // multiplicative factor
  int no_alpha_ = 0; // no_alpha = 1 for the omega equation
  int gas_turb_ = 0 ; // 0: no turbulence in the gas phase; 1: turbulence present
 
};
 
#endif