VertexCFD_Closure_RADReaction.hpp

#ifndef VERTEXCFD_CLOSURE_RADREACTION_HPP
#define VERTEXCFD_CLOSURE_RADREACTION_HPP
 
#include "rad_solver/species_properties/VertexCFD_ConstantSpeciesProperties.hpp"
#include "utils/VertexCFD_Utils_Constants.hpp"
 
#include <Panzer_Dimension.hpp>
#include <Panzer_Evaluator_WithBaseImpl.hpp>
 
#include <Phalanx_Evaluator_Derived.hpp>
#include <Phalanx_Evaluator_WithBaseImpl.hpp>
#include <Phalanx_FieldManager.hpp>
#include <Phalanx_config.hpp>
 
#include <Kokkos_Core.hpp>
 
#include <string>
 
namespace VertexCFD
{
namespace ClosureModel
{
//---------------------------------------------------------------------------//
// Reaction term for the RAD equation
//---------------------------------------------------------------------------//
template<class EvalType, class Traits>
class RADReaction : public panzer::EvaluatorWithBaseImpl<Traits>,
                    public PHX::EvaluatorDerived<EvalType, Traits>
{
  public:
    using scalar_type = typename EvalType::ScalarT;
 
    RADReaction(const panzer::IntegrationRule& ir,
                const SpeciesProperties::ConstantSpeciesProperties& species_prop,
                const std::string& neutron_flux_name);
 
    void evaluateFields(typename Traits::EvalData workset) override;
 
    KOKKOS_INLINE_FUNCTION
    void operator()(
        const Kokkos::TeamPolicy<PHX::exec_space>::member_type& team) const;
 
  private:
    int _num_species;
 
  public:
    Kokkos::Array<PHX::MDField<scalar_type, panzer::Cell, panzer::Point>,
                  VertexCFD::Constants::MAX_NUM_VIEW>
        _reaction_term;
 
  private:
    Kokkos::Array<PHX::MDField<const scalar_type, panzer::Cell, panzer::Point>,
                  VertexCFD::Constants::MAX_NUM_VIEW>
        _species;
    PHX::MDField<const scalar_type, panzer::Cell, panzer::Point> _neutron_flux;
    Kokkos::View<double**, Kokkos::LayoutLeft, PHX::mem_space> _bateman_matrix;
    Kokkos::View<double**, Kokkos::LayoutLeft, PHX::mem_space> _mic_cross_section;
 
    bool _build_bateman;
    bool _build_transmutation;
};
 
//---------------------------------------------------------------------------//
 
} // end namespace ClosureModel
} // end namespace VertexCFD
 
#endif // end VERTEXCFD_CLOSURE_RADREACTION_HPP