BurggrafFlow.H

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#ifndef BurggrafFlow_H
#define BurggrafFlow_H
 
#include "amr-wind/core/Physics.H"
#include "amr-wind/core/Field.H"
#include "amr-wind/CFDSim.H"
#include "AMReX_REAL.H"
 
using namespace amrex::literals;
 
namespace amr_wind::burggraf {
 
namespace {
 
struct UExact
{
    AMREX_GPU_DEVICE AMREX_FORCE_INLINE amrex::Real
    operator()(const amrex::Real /*x*/, const amrex::Real /*y*/) const;
    const int m_comp{0};
};
 
struct VExact
{
    AMREX_GPU_DEVICE AMREX_FORCE_INLINE amrex::Real
    operator()(const amrex::Real /*x*/, const amrex::Real /*y*/) const;
    const int m_comp{1};
};
 
struct WExact
{
    AMREX_GPU_DEVICE AMREX_FORCE_INLINE amrex::Real
    operator()(const amrex::Real /*x*/, const amrex::Real /*y*/) const;
    const int m_comp{2};
};
 
} // namespace

 
class BurggrafFlow : public Physics::Register<BurggrafFlow>
{
public:
    static std::string identifier() { return "BurggrafFlow"; }
 
    explicit BurggrafFlow(const CFDSim& sim);
 
    ~BurggrafFlow() override = default;
 
    void initialize_fields(int level, const amrex::Geometry& geom) override;
 
    template <typename T>
    amrex::Real compute_error(const Field& /*field*/);
 
    void apply_lid_boundary_condition();
 
    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_source;
 
    void output_error();

    amrex::Real m_rho{1.0_rt};

    const int m_w{18};

    std::string m_output_fname{"burggraf.log"};
};
} // namespace amr_wind::burggraf
 
#endif