载荷作用位置不确定条件下结构动态稳健性拓扑优化设计1)
王栋

ROBUST DYNAMIC TOPOLOGY OPTIMIZATION OF CONTINUUM STRUCTURE SUBJECTED TO HARMONIC EXCITATION OF LOADING POSITION UNCERTAINTY1)
Wang Dong
表 2 简支平板结构前三阶固有频率比较
Table 2 Comparison of the first three natural frequencies of the rectangular panel structure