DensityBuoyancy.H

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#ifndef DENSITYBUOYANCY_H
#define DENSITYBUOYANCY_H
 
#include "src/core/FieldRepo.H"
#include "src/equation_systems/icns/MomentumSource.H"
#include "AMReX_REAL.H"
 
using namespace amrex::literals;
 
namespace kynema_sgf::pde::icns {

class DensityBuoyancy : public MomentumSource::Register<DensityBuoyancy>
{
public:
    static std::string identifier() { return "DensityBuoyancy"; }
 
    explicit DensityBuoyancy(const CFDSim& sim);
 
    ~DensityBuoyancy() override;
 
    void operator()(
        int lev, FieldState fstate, amrex::MultiFab& src_term) const override;
 
private:
    amrex::Vector<amrex::Real> m_gravity{0.0_rt, 0.0_rt, -9.81_rt};
 
    amrex::Real m_rho_0{1.0_rt};
 
    Field& m_density;
};
 
} // namespace kynema_sgf::pde::icns
 
#endif /* DensityBuoyancy_H */