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120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
#ifndef OPENMC_PARTICLE_H
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#define OPENMC_PARTICLE_H
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//! \file particle.h
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//! \brief Particle type
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#include <cstdint>
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#include <memory> // for unique_ptr
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#include <sstream>
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#include <string>
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#include <vector>
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#include "openmc/constants.h"
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#include "openmc/particle_data.h"
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#include "openmc/position.h"
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#include "openmc/random_lcg.h"
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#include "openmc/tallies/filter_match.h"
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#ifdef DAGMC
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#include "DagMC.hpp"
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#endif
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namespace openmc {
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// Forward declare the Surface class for use in Particle::cross_vacuum_bc, etc.
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class Surface;
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//============================================================================
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//! State of a particle being transported through geometry
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//! This class defines actions particles can take. Its base
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//! class defines particle data layout in memory.
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//============================================================================
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class Particle : public ParticleData {
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public:
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//==========================================================================
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// Constructors
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Particle() = default;
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//! create a secondary particle
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//
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//! stores the current phase space attributes of the particle in the
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//! secondary bank and increments the number of sites in the secondary bank.
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//! \param wgt Weight of the secondary particle
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//! \param u Direction of the secondary particle
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//! \param E Energy of the secondary particle in [eV]
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//! \param type Particle type
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void create_secondary(double wgt, Direction u, double E, ParticleType type);
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//! initialize from a source site
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//
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//! initializes a particle from data stored in a source site. The source
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//! site may have been produced from an external source, from fission, or
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//! simply as a secondary particle.
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//! \param src Source site data
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void from_source(const ParticleBank* src);
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// Coarse-grained particle events
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void event_calculate_xs();
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void event_advance();
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void event_cross_surface();
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void event_collide();
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void event_revive_from_secondary();
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void event_death();
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//! Cross a surface and handle boundary conditions
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void cross_surface();
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//! Cross a vacuum boundary condition.
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//
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//! \param surf The surface (with the vacuum boundary condition) that the
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//! particle struck.
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void cross_vacuum_bc(const Surface& surf);
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//! Cross a reflective boundary condition.
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//
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//! \param surf The surface (with the reflective boundary condition) that the
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//! particle struck.
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//! \param new_u The direction of the particle after reflection.
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void cross_reflective_bc(const Surface& surf, Direction new_u);
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//! Cross a periodic boundary condition.
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//
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//! \param surf The surface (with the periodic boundary condition) that the
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//! particle struck.
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//! \param new_r The position of the particle after translation/rotation.
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//! \param new_u The direction of the particle after translation/rotation.
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//! \param new_surface The signed index of the surface that the particle will
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//! reside on after translation/rotation.
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void cross_periodic_bc(const Surface& surf, Position new_r, Direction new_u,
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int new_surface);
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//! mark a particle as lost and create a particle restart file
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//! \param message A warning message to display
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void mark_as_lost(const char* message);
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void mark_as_lost(const std::string& message)
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{mark_as_lost(message.c_str());}
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void mark_as_lost(const std::stringstream& message)
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{mark_as_lost(message.str());}
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//! create a particle restart HDF5 file
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void write_restart() const;
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};
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//============================================================================
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//! Functions
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//============================================================================
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std::string particle_type_to_str(ParticleType type);
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ParticleType str_to_particle_type(std::string str);
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} // namespace openmc
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#endif // OPENMC_PARTICLE_H
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