EAST位形磁流体平衡的模拟

计算物理 ›› 2006, Vol. 23 ›› Issue (2): 231-236.

EAST位形磁流体平衡的模拟

黄勤超, 王华忠, 罗家融, 袁旗平

中国科学院等离子体物理研究所, 安徽合肥 230031

收稿日期:2005-01-05 修回日期:2005-05-16 出版日期:2006-03-25 发布日期:2006-03-25
作者简介:黄勤超(1976-),男,安徽全椒,博士生,从事数据采集,并行计算和数据可视化方面的研究,合肥1126信箱中科院等离子体物理研究所计算机室.
基金资助:
国家自然科学基金(批准号:10475079)资助项目

A Simulation of the EAST MHD Equilibrium Configuration

HUANG Qin-chao, WANG Hua-zhong, LUO Jia-rong, YUAN Qi-ping

The Institute of Plasma Physics, Chinese Academy of Science, Hefei 230031, China

Received:2005-01-05 Revised:2005-05-16 Online:2006-03-25 Published:2006-03-25

摘要/Abstract

摘要： 对托卡马克平衡反演数值计算代码EFIT进行了改进,使之适用于EAST装置的磁流体平衡研究.用改进后的平衡反演代码EFIT模拟了EAST装置稳态阶段的偏滤器平衡位形.提出极向场线圈电流作为线性方程组主约束条件,期望位形作为从约束条件,求解非对称电流条件下自由边界平衡问题的方法.结果表明,该方法能较为容易地得到非对称电流条件产生的平衡位形,在非对称电流条件下自由边界平衡计算是收敛的.

关键词: 托卡马克, 磁流体平衡, EFIT程序

Abstract: The Tokamak equilibrium fitting numerical calculation code EFIT is modified to study the MHD (magnetohydrodynamics) equilibrium in an EAST device. The divertor configuration in the steady-state phase of the EAST device is simulated with the modified cede. A method is proposed to satisfy the free boundary equilibrium for non-symmetrical current, by using linear equation array with the current of poloidal field coils as the main confined condition and expected configuration as the auxiliary confined condition. It is shown that the method can be used to obtain the equilibrium configuration which is induced by non-symmetrical current, and to solve the non-convergence problem of a free boundary equilibrium.

Key words: Tokamak, MHD equilibrium, EFIT code

中图分类号:

黄勤超, 王华忠, 罗家融, 袁旗平. EAST位形磁流体平衡的模拟[J]. 计算物理, 2006, 23(2): 231-236.

HUANG Qin-chao, WANG Hua-zhong, LUO Jia-rong, YUAN Qi-ping. A Simulation of the EAST MHD Equilibrium Configuration[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2006, 23(2): 231-236.

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