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

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

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.

Original languageEnglish
Title of host publicationAIAA Aerospace Sciences Meeting
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
Edition210059
ISBN (Print)9781624105241
DOIs
Publication statusPublished - 2018
Externally publishedYes
EventAIAA Aerospace Sciences Meeting, 2018 - Kissimmee, United States
Duration: 2018 Jan 82018 Jan 12

Publication series

NameAIAA Aerospace Sciences Meeting, 2018
Number210059
Volume0

Conference

ConferenceAIAA Aerospace Sciences Meeting, 2018
Country/TerritoryUnited States
CityKissimmee
Period18/1/818/1/12

ASJC Scopus subject areas

  • Aerospace Engineering

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