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Kim, Inhyung; Kim, Yonghee, E-mail: yongheekim@kaist.ac.kr
Proceedings of reactor physics Asia conference 2019 (RPHA19)2020
Proceedings of reactor physics Asia conference 2019 (RPHA19)2020
AbstractAbstract
[en] A modified particle ramp-up (m-PRUP) method was suggested and improved to systematically determine the minimum generation size, optimum generation size, and number of inactive a cycles in a Monte Carlo simulation for an efficient and accurate calculation. This paper describes the concept and algorithm for the m-PRUP method in details. It provides a guideline for source convergence conditions. It also explains how to determine the minimum generation size based on probability and statistics. The m-PRUP method was applied to a simple reactor problem to characterize its numerical performance compared to the standard MC calculation. The convergence behavior was examined, and the multiplication factor, computing time, and figure-of-merits (FOMs) were evaluated and compared for each method. (author)
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Pyeon, Cheol Ho; Yamanaka, Masao (Kyoto University, Institute for Integrated Radiation and Nuclear Science, Kumatori, Osaka (Japan)) (eds.); Ohoka, Yasunori (ed.) (Nuclear Fuel Industries, Ltd., Yokohama, Kanagawa (Japan)); Tsujita, Kosuke (ed.) (Nuclear Engineering, Ltd., Osaka (Japan)); Kyoto University, Institute for Integrated Radiation and Nuclear Science, Kumatori, Osaka (Japan); [321 p.]; Nov 2020; p. 6-9; RPHA19: Reactor physics Asia conference 2019; Osaka (Japan); 2-3 Dec 2019; Also available from https://www.rri.kyoto-u.ac.jp/PUB/report/09_kurns/temp/kurns-ekr-005.pdf; 6 refs., 4 figs., 2 tabs.
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