On the theory of translationally invariant magnetohydrodynamic equilibria with anisotropic pressure and magnetic shear

被引：5
|
作者：
Hodgson, J. D. B. [1 ]
Neukirch, T. [1 ]
机构：
[1] Univ St Andrews, Sch Math & Stat, St Andrews KY16 9SS, Fife, Scotland
来源：
GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS | 2015年 / 109卷 / 05期
基金：
英国科学技术设施理事会;
关键词：
Magnetohydrodynamics; Magnetohydrodynamic equilibria; Anisotropic pressure; Magnetic shear; GRAD-SHAFRANOV EQUATION; PLASMA EQUILIBRIA; ONSET CONDITIONS; ASPECT RATIO; FIELD; STABILITY; CURRENTS; REPRESENTATIONS; BIFURCATION; INSTABILITY;
D O I：
10.1080/03091929.2015.1081188
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present an improved formalism for translationally invariant magnetohydrodynamic equilibria with anisotropic pressure and currents with a field aligned component. The derivation of a Grad-Shafranov type equation is given along with a constraint which links the shear field to the parallel pressure. The difficulties of the formalism are discussed and various methods of circumventing these difficulties are given. A simple example is then used to highlight the methods and difficulties involved.
引用
收藏
页码：524 / 537
页数：14
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