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复合材料旋转壳自由振动分析的新方法

瞿叶高 华宏星 谌勇 龙新华 孟光

瞿叶高, 华宏星, 谌勇, 龙新华, 孟光. 复合材料旋转壳自由振动分析的新方法[J]. 力学学报, 2013, 45(1): 139-143. doi: 10.6052/0459-1879-12-078
引用本文: 瞿叶高, 华宏星, 谌勇, 龙新华, 孟光. 复合材料旋转壳自由振动分析的新方法[J]. 力学学报, 2013, 45(1): 139-143. doi: 10.6052/0459-1879-12-078
Qu Yegao, Hua Hongxing, Chen Yong, Long Xinhua, Meng Guang. A NEW METHOD FOR FREE VIBRATION ANALYSIS OF COMPOSITE LAMINATED SHELLES OF REVOLUTION[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(1): 139-143. doi: 10.6052/0459-1879-12-078
Citation: Qu Yegao, Hua Hongxing, Chen Yong, Long Xinhua, Meng Guang. A NEW METHOD FOR FREE VIBRATION ANALYSIS OF COMPOSITE LAMINATED SHELLES OF REVOLUTION[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(1): 139-143. doi: 10.6052/0459-1879-12-078

复合材料旋转壳自由振动分析的新方法

doi: 10.6052/0459-1879-12-078
基金项目: 国家自然科学基金资助项目(51121063).
详细信息
    通讯作者:

    瞿叶高

  • 中图分类号: TH113;TB33

A NEW METHOD FOR FREE VIBRATION ANALYSIS OF COMPOSITE LAMINATED SHELLES OF REVOLUTION

Funds: The project was supported by the National Natural Science Foundation of China (51121063).
  • 摘要: 提出了一种半解析区域分解法来分析任意边界条件的复合材料层合旋转壳自由振动. 沿壳体旋转轴线将壳体分解为一些自由的层合壳段, 视位移边界界面为一种特殊的分区界面;采用分区广义变分和最小二乘加权残值法将壳体所有分区界面上的位移协调方程引入到壳体的能量泛函中, 使层合壳的振动分析问题归结为无约束泛函变分问题. 层合壳段位移变量采用Fourier 级数和Chebyshev 多项式展开. 以不同边界条件的层合圆柱壳、圆锥壳及球壳为例, 采用区域分解法分析了其自由振动, 并将计算结果与其他文献值进行了对比. 算例表明, 该方法具有高效率、高精度和收敛性好等优点.

     

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出版历程
  • 收稿日期:  2012-03-20
  • 修回日期:  2012-06-20
  • 刊出日期:  2013-01-18

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