boundary_condition/MassflowBoundary.hpp

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// Copyright (c) 2019 Maikel Nadolski
//
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// of this software and associated documentation files (the "Software"), to deal
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// furnished to do so, subject to the following conditions:
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#ifndef FUB_AMREX_MASSFLOW_BOUNDARY_HPP
#define FUB_AMREX_MASSFLOW_BOUNDARY_HPP
 
#include "fub/AMReX/GriddingAlgorithm.hpp"
#include "fub/Direction.hpp"
#include "fub/equations/IdealGasMix.hpp"
 
#include <AMReX.H>
 
namespace fub::amrex {
/// \ingroup BoundaryCondition
///
struct MassflowBoundaryOptions {
  MassflowBoundaryOptions() = default;
  MassflowBoundaryOptions(const ProgramOptions& options);
 
  void Print(SeverityLogger& log) const;
 
  std::string channel_name{"MassflowBoundary"};
  ::amrex::Box coarse_inner_box{};
  double required_massflow = 0.0;
  double surface_area = 0.0;
  Direction dir = Direction::X;
  int side = 0;
};
 
/// \ingroup BoundaryCondition
///
/// \brief This boundary models an inflow boundary with constant mean mass flow.
template <int Rank> class MassflowBoundary {
public:
  MassflowBoundary(const IdealGasMix<Rank>& eq,
                   const MassflowBoundaryOptions& options);
 
  void FillBoundary(::amrex::MultiFab& mf, const GriddingAlgorithm& grid,
                    int level);
 
  void FillBoundary(::amrex::MultiFab& mf, const GriddingAlgorithm& grid,
                    int level, Direction dir);
 
  void FillBoundary(::amrex::MultiFab& mf, const ::amrex::Geometry& geom,
                    const Complete<IdealGasMix<Rank>>& state);
 
  void ComputeBoundaryState(Complete<IdealGasMix<Rank>>& boundary,
                            const Complete<IdealGasMix<Rank>>& inner);
 
private:
  IdealGasMix<Rank> equation_;
  MassflowBoundaryOptions options_;
};
 
extern template class MassflowBoundary<1>;
extern template class MassflowBoundary<2>;
extern template class MassflowBoundary<3>;
 
} // namespace fub::amrex
 
#endif // !FUB_AMREX_MASSFLOW_BOUNDARY_HPP