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Vibration analysis of thin shallow shells using spectral element method

机译:薄壳浅层振动的谱元分析

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This paper presents development of the spectral element method (SEM) for the vibration analysis of thin shallow shells with rectangular planform subjected to impact loads. Dynamic formulation was developed for a thin shallow shell with two opposite edges simply supported and the other two edges with arbitrary boundary conditions. The SEM for such a shell was formulated in the frequency domain. Comparison studies were performed to assess the performance of the presented method. The effect of boundary conditions of the shallow shells is discussed in this paper. Shallow shell displacement subjected to impact load was calculated using the presented SEM.
机译:本文介绍了谱单元法(SEM)的发展,该模型用于分析矩形薄壁扁壳在冲击载荷下的振动。针对薄的浅壳开发了动态公式,该薄壳具有两个相对的边缘,而两个边缘仅被简单支撑,另外两个边缘则具有任意边界条件。这种壳的SEM是在频域中制定的。进行比较研究以评估所提出方法的性能。本文讨论了浅壳边界条件的影响。使用提出的SEM计算了承受冲击载荷的浅壳位移。

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