计算物理

计算物理 ›› 1987, Vol. 4 ›› Issue (4): 503-512.

• 论文 • 上一篇    

非圆截面等离子体平衡外部流函数的步进滤波解法

罗正明, 冯桂云   

  1. 核工业部 西南物理研究所
  • 收稿日期:1987-01-08 出版日期:1987-12-25 发布日期:1987-12-25

A FILTERING STEP BY STEP METHOD FOR OBTAINING THE EXTERNAL SOLUTION OF PLASMA EQUILIBRIUM

Luo Zheng-ming, Feng Gui-yun   

  1. Southwestern Institute of Physics
  • Received:1987-01-08 Online:1987-12-25 Published:1987-12-25

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摘要： 本文将滤波方法与步进计算相结合,从而得到求解不适定的等离子体流函数方程Cauchy问题的一种数值方法。此新方法克服了普通步进计算解流函数方程Cauchy问题时出现的不稳定现象,取得了稳定解的较好结果。

Abstract: By combining the filtering procedure and the usual step by step method, a numerical method that can solve improperly posed Cauchy problem of the flux function equation for plasma equilibrium, has been obtained. By the new method, the drastic instability appearing in the usual step by step calculation, which was unsuccessfully applied to the calculation of the external flux function, has been overcome, and the stable numerical results have been obtained.

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