Realization of Optimal Grid Searching in JMCT

Abstract

Abstract: Time consuming analysis of grid search in JMCT, a continuous-energy Monte Carlo neutron transport code, is done. Region projecting acceleration is performed on grids of main energy, fission yield neutron and unresolved resonance data. Quality of project grid is shown with arithmetic progression and geometric progression. At last, optimized grid search is test on several k_∞ problems. The models are fuel lattice cell at begin of cycle and middle of cycle. It shows that optimized grid search improves speed of JMCT remarkably in middle of cycle problem.

Key words: JMCT, region projecting, Monte Carlo

CLC Number:

TL32

LI Rui, LI Gang, ZHANG Baoyin, DENG Li, WANG Wei. Realization of Optimal Grid Searching in JMCT[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2016, 33(5): 587-592.

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Realization of Optimal Grid Searching in JMCT

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