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95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
//! \file simulation.h
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//! \brief Variables/functions related to a running simulation
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#ifndef OPENMC_SIMULATION_H
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#define OPENMC_SIMULATION_H
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#include "openmc/particle.h"
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#include <cstdint>
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#include <vector>
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namespace openmc {
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constexpr int STATUS_EXIT_NORMAL {0};
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constexpr int STATUS_EXIT_MAX_BATCH {1};
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constexpr int STATUS_EXIT_ON_TRIGGER {2};
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//==============================================================================
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// Global variable declarations
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//==============================================================================
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namespace simulation {
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extern "C" int current_batch; //!< current batch
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extern "C" int current_gen; //!< current fission generation
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extern "C" int64_t current_work; //!< index in source back of current particle
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extern "C" bool initialized; //!< has simulation been initialized?
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extern "C" double keff; //!< average k over batches
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extern "C" double keff_std; //!< standard deviation of average k
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extern "C" double k_col_abs; //!< sum over batches of k_collision * k_absorption
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extern "C" double k_col_tra; //!< sum over batches of k_collision * k_tracklength
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extern "C" double k_abs_tra; //!< sum over batches of k_absorption * k_tracklength
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extern double log_spacing; //!< lethargy spacing for energy grid searches
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extern "C" int n_lost_particles; //!< cumulative number of lost particles
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extern "C" bool need_depletion_rx; //!< need to calculate depletion rx?
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extern "C" int restart_batch; //!< batch at which a restart job resumed
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extern "C" bool satisfy_triggers; //!< have tally triggers been satisfied?
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extern "C" int total_gen; //!< total number of generations simulated
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extern "C" int64_t work; //!< number of particles per process
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extern std::vector<double> k_generation;
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extern std::vector<int64_t> work_index;
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// Threadprivate variables
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extern "C" bool trace; //!< flag to show debug information
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#ifdef _OPENMP
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extern "C" int n_threads; //!< number of OpenMP threads
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extern "C" int thread_id; //!< ID of a given thread
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#endif
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#pragma omp threadprivate(current_work, thread_id, trace)
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} // namespace simulation
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//==============================================================================
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// Functions
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//==============================================================================
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//! Allocate space for source and fission banks
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void allocate_banks();
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//! Determine number of particles to transport per process
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void calculate_work();
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//! Initialize a batch
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void initialize_batch();
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//! Initialize a fission generation
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void initialize_generation();
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void initialize_history(Particle* p, int64_t index_source);
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//! Finalize a batch
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//!
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//! Handles synchronization and accumulation of tallies, calculation of Shannon
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//! entropy, getting single-batch estimate of keff, and turning on tallies when
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//! appropriate
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void finalize_batch();
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//! Finalize a fission generation
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void finalize_generation();
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//! Determine overall generation number
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extern "C" int overall_generation();
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extern "C" void simulation_init_f();
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extern "C" void simulation_finalize_f();
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#ifdef OPENMC_MPI
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void broadcast_results();
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#endif
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} // namespace openmc
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#endif // OPENMC_SIMULATION_H
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