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Buckling and vibration analysis of composite laminated plates and shells using general spline function

机译:通用样条函数的复合材料层合板和壳体的屈曲和振动分析

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摘要

A general spline finite strip capability is presented for predicting the buckling stresses and natural frequencies of composite laminated plates and shells which may have arbitrary lay-ups and any boundary conditions. This method is developed in the context of first-order shear deformation plate and shell theory as well as the classical plate and shell theory and the massive substructuring technique is incorporated into the solution procedure. A notable feature of the present capability is that the general spline integrations are carried out analytically by representing the basis general spline functions as a linear combination of cardinal spline functions.
机译:提出了一种一般的样条有限条形能力,用于预测复合层压板和壳体的屈曲应力和固有频率,该屈曲应力和固有频率可能具有任意的叠加和任何边界条件。该方法是在一阶剪切变形板壳理论以及经典板壳理论的背景下开发的,并且将大规模子构造技术纳入了求解过程。本功能的一个显着特征是,一般样条积分是通过将基本样条函数表示为基数样条函数的线性组合来分析地进行的。

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