KOmegaSST.H

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#ifndef KOMEGASST_H
#define KOMEGASST_H
 
#include <string>
#include "src/core/ScratchField.H"
#include "src/turbulence/TurbModelBase.H"
#include "AMReX_REAL.H"
 
using namespace amrex::literals;
 
namespace kynema_sgf::turbulence {

template <typename Transport>
class KOmegaSST : public TurbModelBase<Transport>
{
public:
    static std::string identifier()
    {
        return "KOmegaSST-" + Transport::identifier();
    }
 
    explicit KOmegaSST(CFDSim& sim);
 
    ~KOmegaSST() override;
 
    [[nodiscard]] std::string model_name() const override
    {
        return "KOmegaSST";
    }

    void update_turbulent_viscosity(
        FieldState fstate, DiffusionType diff_type) override;

    void post_advance_work() override {}

    void post_init_actions() override;

    void post_regrid_actions() override;

    void update_scalar_diff(Field& deff, const std::string& name) override;

    void parse_model_coeffs() override;

    [[nodiscard]] TurbulenceModel::CoeffsDictType model_coeffs() const override;
 
protected:
    Field& m_vel;
 
    Field& m_f1;
    Field& m_shear_prod;
    Field& m_buoy_term;
    Field& m_diss;
    Field& m_sdr_src;
    Field& m_sdr_diss;
    Field& m_rho;
    Field& m_walldist;
 
    Field* m_tke;
    Field* m_sdr;

    amrex::Real m_beta_star{0.09_rt};
    amrex::Real m_alpha1{0.5555555555555556_rt};
    amrex::Real m_alpha2{0.44_rt};
    amrex::Real m_beta1{0.075_rt};
    amrex::Real m_beta2{0.0828_rt};
    amrex::Real m_sigma_k1{0.85_rt};
    amrex::Real m_sigma_k2{1.0_rt};
    amrex::Real m_sigma_omega1{0.5_rt};
    amrex::Real m_sigma_omega2{0.856_rt};
    amrex::Real m_a1{0.31_rt};
    amrex::Real m_tke_amb{0.0_rt};
    amrex::Real m_sdr_amb{0.0_rt};

    bool m_include_buoyancy{false};
    amrex::Real m_buoyancy_factor = 0.0_rt;
    amrex::Real m_sigma_t{0.85_rt};
    amrex::Vector<amrex::Real> m_gravity{0.0_rt, 0.0_rt, -9.81_rt};
 
    std::unique_ptr<ScratchField> m_gradK;
    std::unique_ptr<ScratchField> m_gradOmega;
    std::unique_ptr<ScratchField> m_gradden;
};
 
} // namespace kynema_sgf::turbulence
 
#endif /* KOMEGASST_H */