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Response of moderately thick laminated composite plates on elastic foundation subjected to moving load

机译：弹性基础上中等厚度叠层复合板在运动荷载作用下的响应

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Dynamic response of moderately thick antisymmetric cross-ply laminated rectangular plates on elastic foundation is investigated. The governing equations are based on the higher order shear deformation theory (HSDT). Two-parameter elastic foundation (Pasternak type) is considered. Modal analysis in conjunction with the incremental differential quadrature method (IDQM), as an efficient and stable numerical tool for temporal domain discretization, are employed to solve the governing differential equations. Much lower computational time of the DQM with respect to Newmark's method is exhibited. The convergence of the method is demonstrated and its accuracy is shown by comparing the results with those of exact solution for thin plate obtained using the classical plate theory (CPT). Also, comparison between the results of different theories, i.e. the classical thin plate theory (CPT), the first order shear deformation theory (FSDT) and the higher order shear deformation theory (HSDT), is made. The effects of different parameters on dynamic response of the antisymmetric cross-ply plates are studied. The results can be used as benchmark solution for future works.
机译：研究了弹性基础上中等厚度的非对称交叉叠层矩形板的动力响应。控制方程基于高阶剪切变形理论（HSDT）。考虑两参数弹性地基（Pasternak型）。模态分析与增量微分正交方法（IDQM）结合使用，作为一种有效且稳定的时域离散化数值工具，用于求解控制微分方程。与Newmark的方法相比，DQM的计算时间要短得多。通过将结果与使用经典板理论（CPT）获得的薄板的精确解进行比较，证明了该方法的收敛性并显示了其准确性。此外，还对经典薄板理论（CPT），一阶剪切变形理论（FSDT）和高阶剪切变形理论（HSDT）的不同理论的结果进行了比较。研究了不同参数对反对称交叉层板动力响应的影响。结果可以用作将来工作的基准解决方案。

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