Development of plasma fluid modeling code with immersed boundary method

Kuan Lin Chen, Meng Fan Tseng, Jong-Shinn Wu*, Sarveshwar Sharma, Gary C. Cheng, Richard Branam

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


In this paper, we first investigated the effect of spatial reconstruction schemes on the plasma fluid model with original and reformulated ion related modeling equations using the HLL flux scheme. The results based on the 1D fluid model equations for electropositive plasma show that the appearance of unphysical oscillations near sheath edges strongly depends on the reconstruction schemes used (e.g., κ = 1⁄2, 1⁄3 and first-order scheme) when original ion equations with incorrect ion sound speed are utilized. The unphysical oscillation disappears no matter what spatial reconstruction scheme is applied if the reformulated ion equations with correct ion sound speed are used instead. In addition, the immersed boundary method is incorporated to model a two-dimensional capacitive coupled hollow cathode plasma to further extend the application of the fluid modeling code for treating problems having objects with complex geometry.

Original languageEnglish
Title of host publication2018 Plasmadynamics and Lasers Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105494
StatePublished - 2018
Event49th AIAA Plasmadynamics and Lasers Conference, 2018 - Atlanta, United States
Duration: 25 Jun 201829 Jun 2018

Publication series

Name2018 Plasmadynamics and Lasers Conference


Conference49th AIAA Plasmadynamics and Lasers Conference, 2018
Country/TerritoryUnited States


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