WaveEnergy.H

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#ifndef WAVEENERGY_H
#define WAVEENERGY_H
 
#include "amr-wind/CFDSim.H"
#include "amr-wind/utilities/PostProcessing.H"
#include "AMReX_REAL.H"
 
using namespace amrex::literals;
 
namespace amr_wind::wave_energy {

class WaveEnergy : public PostProcessBase::Register<WaveEnergy>
{
public:
    static std::string identifier() { return "WaveEnergy"; }
 
    WaveEnergy(CFDSim& /*sim*/, std::string /*label*/);
 
    ~WaveEnergy() override;

    void pre_init_actions() override {}

    void initialize() override;
 
    void post_advance_work() override {};

    void output_actions() override;
 
    void post_regrid_actions() override {}

    amrex::Real calculate_kinetic_energy();
    amrex::Real calculate_potential_energy();

    void wave_energy(amrex::Real& ke, amrex::Real& pe) const
    {
        ke = m_wave_kinetic_energy;
        pe = m_wave_potential_energy;
    };
 
private:
    virtual void prepare_ascii_file();

    virtual void write_ascii();

    amrex::Real m_wave_kinetic_energy{0.0_rt};
    amrex::Real m_wave_potential_energy{0.0_rt};

    CFDSim& m_sim;

    const std::string m_label;

    const Field& m_velocity;
    const Field& m_vof;

    amrex::Vector<amrex::Real> m_gravity{0.0_rt, 0.0_rt, -9.81_rt};

    amrex::Real m_pe_off = 0.0_rt;
    amrex::Real m_escl = 1.0_rt;

    std::string m_out_fname;

    int m_width{22};

    int m_precision{12};
};
 
} // namespace amr_wind::wave_energy
 
#endif /* WAVEENERGY_H */