多层复合壳体三维振动分析的谱--微分求积混合法

叶天贵, 靳国永, 刘志刚

A SPECTRAL-DIFFERENTIAL QUADRATURE METHOD FOR 3-D VIBRATION ANALYSIS OF MULTILAYERED SHELLS

Ye Tiangui, Jin Guoyong, Liu Zhigang

表2 [0°/90°]2和[0°/90°]4复合板无量纲基频

Table 2 The fundamental frequency parameter Ω of [0°/90°]2 and [0°/90°]4 laminated plates

Layout Boundary Frequency parameters Ω Ref.[18] Ref.[19] This paper [0/90°]2 S-S-S-S 0.145 0 0.145 0 0.145 0 C-S-S-S 0.165 5 0.165 5 0.165 5 C-S-C-S 0.188 0 0.187 5 0.187 8 [0/90°]4 S-S-S-S 0.155 7 0.155 7 0.155 7 C-S-S-S 0.177 9 0.177 8 0.177 8 C-S-C-S 0.201 8 0.201 3 0.201 7