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Simulation of Plasma Flow Injection with Multi-Hierarchy Model Aiming Magnetic Reconnection Studies

Published online by Cambridge University Press:  20 August 2015

S. Usami ,
H. Ohtani ,
R. Horiuchi  and
M. Den
S. Usami*
Affiliation:
Department of Helical Plasma Research, National Institute for Fusion Science, Toki, 509-5292, Japan
H. Ohtani*
Affiliation:
Department of Helical Plasma Research, National Institute for Fusion Science, Toki, 509-5292, Japan The Graduate University for Advanced Studies (Soken-dai), Toki, 509-5292, Japan
R. Horiuchi*
Affiliation:
Department of Helical Plasma Research, National Institute for Fusion Science, Toki, 509-5292, Japan The Graduate University for Advanced Studies (Soken-dai), Toki, 509-5292, Japan
M. Den*
Affiliation:
National Institute of Information and Communications Technology, Koganei 184-8795, Japan
*
Corresponding author.Email:usami.shunsuke@nifs.ac.jp
Email:ohtani.hiroaki@nifs.ac.jp
Email:horiuchi.ritoku@nifs.ac.jp
Email:den@nict.go.jp
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Abstract

A multi-hierarchy simulation model aiming magnetic reconnection studies is developed and improved in which macroscopic and microscopic physics are computed consistently and simultaneously. Macroscopic physics is solved by mag-netohydrodynamics (MHD) algorithm, while microscopic dynamics is expressed by particle-in-cell (PIC) algorithm. The multi-hierarchy model relies on the domain decomposition method, and macro- and micro-hierarchies are interlocked smoothly by hand-shake scheme. As examination, plasma flow injection is simulated in the multi-hierarchy model. It is observed that plasmas flow from a macro-hierarchy to a micro-hierarchy across the magnetic field smoothly and continuously.

Keywords

85D1093B4070B0576W05Multi-hierarchy simulationmagnetic reconnectionMHDPIC
Type
Research Article
Information
Communications in Computational Physics , Volume 11 , Issue 3 , March 2012 , pp. 1006 - 10210
Copyright
Copyright © Global Science Press Limited 2012

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