Non-axisymmetric equilibrium and stability using the ELITE stability code
Non-axisymmetric equilibrium and stability using the ELITE stability code
复制标题
使用 ELITE 稳定性代码的非轴对称平衡和稳定性
DOI:
10.1088/1741-4326/ab40ef
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发表时间:
2019
期刊:
影响因子:
3.3
通讯作者:
Anastopoulos-Tzanis M
中科院分区:
文献类型:
--
作者:
Anastopoulos-Tzanis M
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.
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DOI:
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2016
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