mirror of
https://github.com/openmc-dev/openmc.git
synced 2026-07-27 13:45:36 -04:00
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
//! \file secondary_nbody.h
|
|
//! N-body phase space distribution
|
|
|
|
#ifndef OPENMC_SECONDARY_NBODY_H
|
|
#define OPENMC_SECONDARY_NBODY_H
|
|
|
|
#include "hdf5.h"
|
|
|
|
#include "openmc/angle_energy.h"
|
|
|
|
namespace openmc {
|
|
|
|
//==============================================================================
|
|
//! Angle-energy distribution for particles emitted from neutron and
|
|
//! charged-particle reactions. This corresponds to ACE law 66 and ENDF File 6,
|
|
//! LAW=6.
|
|
//==============================================================================
|
|
|
|
class NBodyPhaseSpace : public AngleEnergy {
|
|
public:
|
|
explicit NBodyPhaseSpace(hid_t group);
|
|
|
|
//! Sample distribution for an angle and energy
|
|
//! \param[in] E_in Incoming energy in [eV]
|
|
//! \param[out] E_out Outgoing energy in [eV]
|
|
//! \param[out] mu Outgoing cosine with respect to current direction
|
|
//! \param[inout] seed Pseudorandom seed pointer
|
|
void sample(
|
|
double E_in, double& E_out, double& mu, uint64_t* seed) const override;
|
|
|
|
private:
|
|
int n_bodies_; //!< Number of particles distributed
|
|
double mass_ratio_; //!< Total mass of particles [neutron mass]
|
|
double A_; //!< Atomic weight ratio
|
|
double Q_; //!< Reaction Q-value [eV]
|
|
};
|
|
|
|
} // namespace openmc
|
|
|
|
#endif // OPENMC_SECONDARY_NBODY_H
|