The results show that the method is more reliable than selecting modes manually, especially for weak coupling mistuned bladed disks with a higher accuracy as well as less computation period.

• 计算结果显示，对失谐叶盘系统，特别是在弱耦合情况下，该方法比人为选择模态更为可靠，可以使用较少机时，获得较高的求解精度。