Exact Solov'ev equilibrium with an arbitrary boundary

被引：3
|
作者：
Aydemir, A. Y. [1 ]
Park, B. H. [1 ]
Han, K. S. [2 ]
机构：
[1] Natl Fus Res Inst, Daejeon 34133, South Korea
[2] Univ Sci & Technol, Daejeon, South Korea
来源：
PHYSICS OF PLASMAS | 2019年 / 26卷 / 11期
关键词：
TOKAMAK EQUILIBRIUM; MHD EQUILIBRIUM;
D O I：
10.1063/1.5124138
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Exact Solov'ev equilibria for arbitrary plasma cross sections are calculated using a constrained least squares method. The boundary, with or without X-points, can be specified with an arbitrarily large number of constraints to ensure an accurate representation. Thus, the order of the polynomial basis functions in the homogeneous solution of the Grad-Shafranov equation becomes an independent parameter determined only by the accuracy requirements of the overall solution. Examples of exact, highly shaped equilibria are presented. Published under license by AIP Publishing.
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页数：5
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