Weighted nonlinear schemes for magnetized electron fluid in quasi-neutral plasma

Amareshwara Sainadh Chamarthi, Zhexu Wang, Rei Kawashima, Kimiya Komurasaki

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

In this paper, we propose a higher order and high resoltuion approach for the simulation of magnetized electrons in quasi-neutral plasmas by hyperbolic method. Numerical fluxes for diffusion are constructed by a low dissipation upwind scheme via an equivalent hyperbolic system in steady state. We demonstrated that by using higher order finite difference weighted compact non-linear scheme (WCNS) for diffusion terms the numerical viscosity arising due to anisotropic diffusion can be drastically improved. Numerical results presented here not only demonstrated higher order accuracy but also accelerated steady convergence compared to the traditional second order schemes. The difference between computed transverse electron fluxes by HES and MFAM approach are 4% on the coarsest mesh and reduces to 0.2% by mesh refinement.

本文言語English
ホスト出版物のタイトルAIAA Aerospace Sciences Meeting
出版社American Institute of Aeronautics and Astronautics Inc, AIAA
210059
ISBN(印刷版)9781624105241
DOI
出版ステータスPublished - 2018
外部発表はい
イベントAIAA Aerospace Sciences Meeting, 2018 - Kissimmee, United States
継続期間: 2018 1月 82018 1月 12

出版物シリーズ

名前AIAA Aerospace Sciences Meeting, 2018
番号210059
0

Conference

ConferenceAIAA Aerospace Sciences Meeting, 2018
国/地域United States
CityKissimmee
Period18/1/818/1/12

ASJC Scopus subject areas

  • 航空宇宙工学

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