The real domain Rayleigh Ritz method was extended to the complex domain, and the complex constraint method for the eigenproblems of cyclic symmetric structures, such as gears, was improved. So the dimensions of eigenproblems were reduced furtherly.

 
  • 将实数域的瑞利-里兹(Rayleigh-Ritz)法引入复数域,对计算循环对称结构特征值问题的复约束法进行改进,进一步缩小了特征值问题的求解空间。
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