Ideal magnetohydrodynamics: Global mode analysis of three‐dimensional plasma configurations
Ideal magnetohydrodynamics: Global mode analysis of three‐dimensional plasma configurations
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理想磁流体动力学：三维等离子体结构的全局模式分析
DOI：
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发表时间：
1993
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通讯作者：
C. Schwab
中科院分区：
文献类型：
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作者：
C. Schwab
本文采用有限元傅立叶程序，三维平衡态稳定性分析的C_ode（CAS3D）[Theory of Fusion Plasmas，Varenna 1990（Editrice Compositori，Bologna，1990），p. 667]，研究了三维环形等离子体的整体磁流体动力学（MHD）稳定性。三维平衡的稳定性的第一次调查澄清了全球MHD模式的结构特征，例如可分离模式族的存在和消除所有压缩项的可能性，即，流体和场压缩，以使扰动最小化。
The global magnetohydrodynamic (MHD) stability of three‐dimensional (3‐D) toroidal plasmas, investigated here by the ideal MHD energy principle formulated in magnetic coordinates, is studied by a Finite‐Element‐Fourier code, the C_ode for the A_nalysis of the S_tability of 3‐D equilibria (CAS3D) [Theory of Fusion Plasmas, Varenna 1990 (Editrice Compositori, Bologna, 1990), p. 667]. A first survey of the stability properties of 3‐D equilibria clarifies structural characteristics of global MHD modes, such as the existence of separable mode families and the possibility of annihilating all compression terms, i.e., the fluid and the field compression, for the minimizing perturbation.