KLAxell.H

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#ifndef KLAXELL_H
#define KLAXELL_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 KLAxell : public TurbModelBase<Transport>
{
public:
    static std::string identifier()
    {
        return "KLAxell-" + Transport::identifier();
    }
 
    explicit KLAxell(CFDSim& sim);
 
    [[nodiscard]] std::string model_name() const override { return "KLAxell"; }

    void update_turbulent_viscosity(
        FieldState fstate, DiffusionType /*unused*/) override;

    void post_advance_work() override;

    void post_init_actions() override;

    void post_regrid_actions() override;

    void update_alphaeff(Field& alphaeff) override;

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

    void parse_model_coeffs() override;

    [[nodiscard]] TurbulenceModel::CoeffsDictType model_coeffs() const override;
 
private:
    Field& m_vel;
    Field& m_turb_lscale;
    Field& m_shear_prod;
    Field& m_buoy_prod;
    Field& m_dissip;
    Field& m_rho;
    Field* m_tke{nullptr};
    amrex::Real m_Cmu{0.556_rt};
    amrex::Real m_Cmu_prime{0.556_rt};
    amrex::Real m_Cb_stable{0.25_rt};
    amrex::Real m_Cb_unstable{0.35_rt};
    amrex::Real m_prandtl{1.0_rt};
    Field& m_temperature;
    amrex::Vector<amrex::Real> m_gravity{0.0_rt, 0.0_rt, -9.81_rt};
    amrex::Real m_surf_flux{0};
    amrex::Real m_meso_sponge_start{2000};
 
    std::unique_ptr<ScratchField> m_gradT;
};
 
} // namespace kynema_sgf::turbulence
 
#endif /* KLAXELL_H */