Verification of linear resistive tearing instability with gyrokinetic particle code VirtEx
- 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 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)
- Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China)
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.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Organization:
- USDOE Office of Science (SC); USDOE
- OSTI ID:
- 1497881
- Journal Information:
- Physics of Plasmas, Vol. 24, Issue 10; ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Verification of gyrokinetic particle simulation of current-driven instability in fusion plasmas. IV. Drift-tearing mode
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journal | September 2019 |
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