轴对称薄壁结构自由振动的边界元分析1)
周琪, 陈永强

FREE VIBRATION ANALYSIS OF THIN-WALLED AXISYMMETRIC STRUCTURES WITH BOUNDARY ELEMENT METHOD1)
Zhou Qi,Chen Yongqiang
表6 环向波数n = 0 薄壁圆筒前5 阶对称频率
Table 6 The first 5 symmetrical frequency of the thin hollow cylinder with n = 0