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Natural frequencies of laminated composite plates using third order shear deformation theory

机译:基于三阶剪切变形理论的层合复合板固有频率

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摘要

In this paper, natural frequencies of square laminated composite plates for different supports at edges are presented. Using a third order shear deformation theory of plates (TSDT), which is categorized in equivalent single layer theories (ESL), a new set of linear equations of motion for square multi-layered composite plates has been derived. Laminated plates are supposed to be either angle-ply or cross-ply. Moreover, FEM is used to solve the equations and find the fundamental natural frequencies. Finally some results for plates with different combination of layers and supports are reported. The results are compared to the results of other ESL.
机译:在本文中,介绍了用于边缘不同支撑的方形层压复合板的固有频率。使用归类为等效单层理论(ESL)的板的三阶剪切变形理论(TSDT),得出了方形多层复合板的一组新的线性运动方程组。层压板应该是成角度的或交叉的。此外,有限元法用于求解方程并找到基本固有频率。最后,报道了具有不同层和载体组合的板的一些结果。将结果与其他ESL的结果进行比较。

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