MMS.H

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#ifndef MMS_H
#define MMS_H
 
#include "amr-wind/core/Physics.H"
#include "amr-wind/core/Field.H"
#include "amr-wind/CFDSim.H"
 
namespace amr_wind::mms {
 
using FuncDef = double (*)(double, double, double);
 
class MMS : public Physics::Register<MMS>
{
public:
    static std::string identifier() { return "MMS"; }
 
    explicit MMS(const CFDSim& sim);
 
    ~MMS() override = default;
 
    void initialize_fields(int level, const amrex::Geometry& geom) override;
 
    void fill_src();
 
    amrex::Real compute_error(const int comp, const Field& field, FuncDef f);
 
    void post_init_actions() override;
 
    void post_regrid_actions() override;
 
    void pre_advance_work() override {}
 
    void post_advance_work() override;
 
private:
    const amr_wind::SimTime& m_time;
    const FieldRepo& m_repo;
    const amrex::AmrCore& m_mesh;
    Field& m_velocity;
    Field& m_density;
    Field& m_mms_vel_source;
 
    const int m_w = 18;
    const std::string m_output_fname = "mms.log";
 
    std::unordered_map<std::string, amrex::Real> m_params_map = {
        {"a", 1.05},   {"b", 2.15},    {"c", -3.2},    {"d", 10.1},
        {"beta", 2.2}, {"gamma", 2.4}, {"delta", 2.0}, {"kx", 1.0},
        {"ky", 1.0},   {"kz", 1.0},    {"nu", 1.0}};
    std::unordered_map<std::string, amrex::Real> m_params_map = {…};
};
class MMS : public Physics::Register<MMS> {…};
} // namespace amr_wind::mms
 
#endif /* MMS_H */