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Non-axisymmetric equilibrium and stability using the ELITE stability code
Resource type
Authors/contributors
- Anastopoulos-Tzanis, M. S. (Author)
- Dudson, B. D. (Author)
- Ham, C. J. (Author)
- Hegna, C. C. (Author)
- Snyder, P. B. (Author)
- Wilson, H. R. (Author)
Title
Non-axisymmetric equilibrium and stability using the ELITE stability code
Abstract
Linear perturbation theory is used to model the ideal magnetohydrodynamic stability of tokamak equilibria under the application of external 3D magnetic perturbations (Hegna 2014 Phys. Plasmas 21 072502). We use the ELITE code (Wilson et al 2002 Phys. Plasmas 9 1277) to produce both a linear plasma response, as well as the linear axisymmetric toroidal eigenmodes which are used as basis functions for the 3D perturbative stability analysis. The symmetry breaking produces coupling of modes with different toroidal mode number, n, leading to modification of the linear growth rates, and poloidal localisation of the non-axisymmetric peeling-ballooning mode at sufficiently large applied field.
Publication
NUCLEAR FUSION
Volume
59
Issue
12
Pages
126028
Date
DEC 2019
Journal Abbr
Nucl. Fusion
Language
English
ISSN
0029-5515, 1741-4326
Accessed
9/2/24, 10:52 AM
Library Catalog
Clarivate Analytics Web of Science
Extra
1 citations (Crossref/DOI) [2024-10-03]
1 citations (Crossref/DOI) [2024-10-02]
Num Pages: 11
Place: Bristol
Publisher: IoP Publishing Ltd
Web of Science ID: WOS:000494953500013
Citation
Anastopoulos-Tzanis, M. S., Dudson, B. D., Ham, C. J., Hegna, C. C., Snyder, P. B., & Wilson, H. R. (2019). Non-axisymmetric equilibrium and stability using the ELITE stability code. NUCLEAR FUSION, 59(12), 126028. https://doi.org/10.1088/1741-4326/ab40ef
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