KMS Of Academy of mathematics and systems sciences, CAS
Contact-PIC numerical methods for simulating Vlasov-Poisson-Fokker-Planck problem | |
Shi, Yanyan1,2; Sun, Yajuan1,2 | |
2022-06-15 | |
发表期刊 | JOURNAL OF COMPUTATIONAL PHYSICS |
ISSN | 0021-9991 |
卷号 | 459页码:24 |
摘要 | This paper develops a numerical discretization for solving the Vlasov-Poisson-Fokker-Planck system, which is a model for describing collisional plasma in the presence of a self-consistent electric field. This numerical discretization is established in the particle-in-cell framework in which the dynamical behavior of charged particles follows a stochastic differential equation. We study the geometry structure of the corresponding stochastic differential equation, and construct contact methods to numerically solve it. We also analyze the time accuracy order of the proposed numerical schemes. Numerical experiments are conducted to validate our methods. (C) 2022 Elsevier Inc. All rights reserved. |
关键词 | Vlasov-Poisson-Fokker-Planck system Particle-in-cell technique Contact method |
DOI | 10.1016/j.jcp.2022.111108 |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Computer Science ; Physics |
WOS类目 | Computer Science, Interdisciplinary Applications ; Physics, Mathematical |
WOS记录号 | WOS:000793406500001 |
出版者 | ACADEMIC PRESS INC ELSEVIER SCIENCE |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/61265 |
专题 | 中国科学院数学与系统科学研究院 |
通讯作者 | Sun, Yajuan |
作者单位 | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Acad Math & Syst Sci, LSEC, Beijing 100190, Peoples R China |
推荐引用方式 GB/T 7714 | Shi, Yanyan,Sun, Yajuan. Contact-PIC numerical methods for simulating Vlasov-Poisson-Fokker-Planck problem[J]. JOURNAL OF COMPUTATIONAL PHYSICS,2022,459:24. |
APA | Shi, Yanyan,&Sun, Yajuan.(2022).Contact-PIC numerical methods for simulating Vlasov-Poisson-Fokker-Planck problem.JOURNAL OF COMPUTATIONAL PHYSICS,459,24. |
MLA | Shi, Yanyan,et al."Contact-PIC numerical methods for simulating Vlasov-Poisson-Fokker-Planck problem".JOURNAL OF COMPUTATIONAL PHYSICS 459(2022):24. |
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