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An Accurate Nonlinear Monte Carlo Collision Operator
http://hdl.handle.net/10655/2406
http://hdl.handle.net/10655/24066c423f20-d5a8-4d4c-9c9e-6b8afd88fc3b
Item type | 研究報告書 / Research Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | An Accurate Nonlinear Monte Carlo Collision Operator | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Coluomb binary collision | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Fokker-Planck collision operator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Monte Carlo collision operator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vector calculation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
"Wang, W.X.
× "Wang, W.X.× Okamoto, M.× Nakajima, N.× Murakami, S." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "A three dimensional nonlinear Monte Carlo collision model is developed based on Coulomb binary collisions with the emphasis both on the accuracy and implementation efficiency. The operator of simple form fulfills particle number, momentum and energy conservation laws, and is equivalent to exact Fokker-Planck operator by correctly reproducing the friction coefficient and diffusion tensor, in addition, can effectively assure small-angle collisions with a binary scattering angle distributed in a limited range near zero. Two highly vectorizable algorithms are designed for its fast implementation. Various test simulations regarding relaxation processes, electrical conductivity, etc. are carried out in velocity space. The test results, which is in good agreement with theory, and timing results on vector computers show that it is practically applicable. The operator may be used for accurately simulating collisional transport problems in magnetized and unmagnetized plasmas." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1995-03-01 |
|||||
報告書番号 | ||||||
NIFS-345 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |