Canonical straight field line magnetic flux coordinates for tokamaks

被引：12

作者：

Li, Meng ^{[1
]}

Breizman, Boris N. ^{[1
]}

Zheng, Linjin ^{[1
]}

机构：

[1] Univ Texas Austin, Inst Fus Studies, Austin, TX 78712 USA

来源：

JOURNAL OF COMPUTATIONAL PHYSICS | 2016年 / 326卷

关键词：

Tokamaks; Hamiltonian mechanics; Particle simulation; Magnetohydrodynamics stability; MHD equilibrium;

D O I：

10.1016/j.jcp.2016.09.004

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

New global straight field line coordinates are introduced for a toroidal plasma configuration. The new coordinate system provides a canonical description of particle guiding center motion while maintaining the straight field line feature. These coordinates are convenient for combining MHD calculations with kinetic modeling of energetic particles. We demonstrate how the new coordinate system can be constructed by transforming the poloidal and toroidal angles. Numerical examples show comparison of the new coordinates with various non-canonical coordinates for the same equilibrium configuration. (C) 2016 The Authors. Published by Elsevier Inc.

引用

页码：334 / 341

页数：8

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