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Title: Verification of linear resistive tearing instability with gyrokinetic particle code VirtEx

Abstract

Current-driven resistive tearing instability is verified using the newly developed global first-principles particle-in-cell code called VirtEx, which was coded from scratch in conformity with the C++'11 specifications. The tearing instability is first verified in the fluid limit in a cylinder geometry by ignoring the gyrokinetic effect of ions, and the numerical results agree well with the analytical predictions of the resistive tearing theory. Furthermore, the effect of toroidicity on resistive tearing instability is investigated.

Authors:
 [1]; ORCiD logo [2];  [3];  [3];  [1]
  1. Univ. of Science and Technology of China, Anhui (China); Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China)
  2. Univ. of Science and Technology of China, Anhui (China); Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China); Univ. of California, Irvine, CA (United States)
  3. Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1497881
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 24; Journal Issue: 10; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Feng, Hongying, Zhang, Wenlu, Dong, Chao, Cao, Jintao, and Li, Ding. Verification of linear resistive tearing instability with gyrokinetic particle code VirtEx. United States: N. p., 2017. Web. doi:10.1063/1.4999166.
Feng, Hongying, Zhang, Wenlu, Dong, Chao, Cao, Jintao, & Li, Ding. Verification of linear resistive tearing instability with gyrokinetic particle code VirtEx. United States. doi:10.1063/1.4999166.
Feng, Hongying, Zhang, Wenlu, Dong, Chao, Cao, Jintao, and Li, Ding. Fri . "Verification of linear resistive tearing instability with gyrokinetic particle code VirtEx". United States. doi:10.1063/1.4999166. https://www.osti.gov/servlets/purl/1497881.
@article{osti_1497881,
title = {Verification of linear resistive tearing instability with gyrokinetic particle code VirtEx},
author = {Feng, Hongying and Zhang, Wenlu and Dong, Chao and Cao, Jintao and Li, Ding},
abstractNote = {Current-driven resistive tearing instability is verified using the newly developed global first-principles particle-in-cell code called VirtEx, which was coded from scratch in conformity with the C++'11 specifications. The tearing instability is first verified in the fluid limit in a cylinder geometry by ignoring the gyrokinetic effect of ions, and the numerical results agree well with the analytical predictions of the resistive tearing theory. Furthermore, the effect of toroidicity on resistive tearing instability is investigated.},
doi = {10.1063/1.4999166},
journal = {Physics of Plasmas},
number = 10,
volume = 24,
place = {United States},
year = {2017},
month = {10}
}

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Cited by: 2 works
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Figures / Tables:

Figure 1 Figure 1: Evolution of the perturbed parallel vector potential A$_{||}$ of the (1,1) resistive kink mode. Panel (a) displays the real part and the imaginary part (zero, in this case) separately. Panel (b) shows the logarithm of the amplitude of A$_{||}$, where the slope of the line corresponds to themore » growth (damping) rate of the mode. Panel (c) shows the content of panel (a) normalized with respect to the growth (damping) rate calculated from panel (b). Panel (d) shows the frequency of the mode.« less

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