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Free vibration of composite circular cylindrical shells with random material properties. Part II: Applications

机译:具有随机材料特性的复合圆柱壳的自由振动。第二部分:应用

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摘要

In the second part of this study the approach developed in Part I has been used to analyse free vibration of three composite circular cylindrical shells with random scatter in the material properties. The cases considered are - specially orthotropic symmetric shells in axisymmetric and asymmetric oscillations, and antisymmetric cross ply laminated shell in axisymmetric oscillations. With known statistics of the material properties the mean and the variance of the natural frequencies have been obtained. Numerical results have been presented for graphite-epoxy composite shells.
机译:在本研究的第二部分中,在第一部分中开发的方法已用于分析三个复合圆柱壳在材料特性方面具有随机散布的自由振动。考虑的情况是-特别是在轴对称和非对称振荡中的正交异性对称壳,以及在轴对称振荡中的反对称交叉叠层壳。利用已知的材料特性统计数据,可以获得固有频率的均值和方差。已经给出了石墨-环氧复合材料壳的数值结果。

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