Rupture_bulles_2groupes_Smith.h

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#ifndef Rupture_bulles_2groupes_Smith_included
#define Rupture_bulles_2groupes_Smith_included
 
#include <TRUSTTabs_forward.h>
#include <Rupture_bulles_2groupes_base.h>
#include <TRUSTTab.h>
 
/*! @brief Two-group bubble breakup source terms using the Smith model.
 *
 *         Computes turbulent impact (TI), surface instability (SI), and
 *         shear-off (SO) source terms for the two-group interfacial area
 *         transport equation.
 *
 *         Reference: T.R. Smith et al., "Mechanistic modeling of interfacial
 *         area transport in large diameter pipes", IJMF, 2012.
 */
class Rupture_bulles_2groupes_Smith : public Rupture_bulles_2groupes_base
{
  Declare_instanciable(Rupture_bulles_2groupes_Smith);
public:
  void coefficient_TI(const DoubleTab& alpha, const DoubleTab& p, const DoubleTab& T,
                      const DoubleTab& rho, const DoubleTab& nu, const DoubleTab& sigma, const double Dh,
                      const DoubleTab& ndv, const DoubleTab& d_bulles,
                      const DoubleTab& eps, const DoubleTab& k_turb, const int n_l, const int n_g1, const int n_g2,
                      DoubleTab& coeff) const override;
  void coefficient_SI(const DoubleTab& alpha, const DoubleTab& p, const DoubleTab& T,
                      const DoubleTab& rho, const DoubleTab& nu, const DoubleTab& sigma, const double Dh,
                      const DoubleTab& ndv, const DoubleTab& d_bulles,
                      const DoubleTab& eps, const DoubleTab& k_turb, const int n_l, const int n_g1, const int n_g2,
                      DoubleTab& coeff) const override;
 
  void coefficient_SO(const DoubleTab& alpha, const DoubleTab& p, const DoubleTab& T,
                      const DoubleTab& rho, const DoubleTab& nu, const DoubleTab& sigma, const double Dh,
                      const DoubleTab& ndv, const DoubleTab& d_bulles,
                      const DoubleTab& eps, const DoubleTab& k_turb, const int n_l, const int n_g1, const int n_g2,
                      DoubleTab& coeff) const override;
 
private:
  static constexpr double fac_sec_ = 1.e4;  //!< Numerical security factor
 
  const double C_TI1 = 0.1;
  const double C_TI21 = 0.02;
  const double We_cr1 = 6.5;
  const double C_TI2 = 0.02;
  const double We_cr2 = 7.0;
  const double C_RC2 = 0.005;
  const double C_WE2 = 0.005;
  const double C_RC0 = 3.0;
  const double C_S0 = 0.000038;
  const double We_SO = 4500.;
  const double g = 9.81;
};
 
#endif