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Nonlinear static response of laminated composite plates by discrete singular convolution method

机译:离散奇异卷积法的层合板非线性静响应

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摘要

In this paper, large deflection analysis of laminated composite plates is analysed. Nonlinear governing equation for bending based on first-order shear deformation theory (FSDT) in the von Karman sense is presented. These equations have been solved by the method of discrete singular convolution (DSC). Regularized Shannon's delta (RSD) kernel and Lagrange delta sequence (LDS) kernel are selected as singular convolution to illustrate the present algorithm. The effects of plate aspect ratio, fiber orientation, boundary conditions, thickness-to-side ratio, and applied load on the nonlinear static response of the laminated plate are investigated.
机译:本文对层合复合板的大挠度进行了分析。提出了基于一阶剪切变形理论(FSDT)的von Karman意义上的非线性弯曲控制方程。这些方程已通过离散奇异卷积(DSC)方法求解。选择正则化的香农德尔塔(RSD)内核和拉格朗日德尔塔序列(LDS)内核作为奇异卷积来说明本算法。研究了板的长宽比,纤维取向,边界条件,厚度比,施加的载荷对层压板的非线性静响应的影响。

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