Hedging direct simulation Monte Carlo bets via event splitting

G. Oblapenko,D. Goldstein,P. Varghese,C. Moore

Journal of Computational Physics（2022）

引用 2|浏览5

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摘要

•A new collision scheme is developed for variable-weight DSMC simulations.•The scheme is aimed at improving simulation of low-probability processes.•Use of the scheme is shown to drastically reduce noise in ionization computations.•Possible future extensions to the scheme are proposed.

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关键词

Rarefied gas dynamics,Direct simulation Monte Carlo,Boltzmann equation,Ionization

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