阻尼结构重频特征灵敏度计算的扩展Nelson方法
隋广宇, 李正光, 吴柏生
Extended Nelson’s Method for Calculating  Eigensensitivity of Damped Structures with Repeated Frequencies
SUI Guangyu, LI Zhengguang, WU Baisheng
吉林大学学报(理学版) . 2021, (5): 1124 -1130 .