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本文分析与计算了共振螺旋场对自发撕裂模的抑制作用。通过解电阻MHD方程证实了螺旋场能使m=2的撕裂模增长速度减慢一倍左右。同时也讨论和计算了边界控制场对撕裂模的抑制作用。In this article, the restraint of the spontanueous tearing modes caused by RHF is analyzed and calculated by solving the resistive MHD equations. We prove that the growth rate of the tearing modes of m=2 can be reduced about two times by the helical fields. The restraint of the tearing modes by the boundary controlled field is also discussed and calculated numerically.
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