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方形蜂窝夹芯夹层板弯曲问题的新解法

Chuan Bo Li Xue/Journal of Ship Mechanics(2012)

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Abstract
文章针对方形夹芯夹层板弯曲问题提出了一种新的解法.所提方法未采用传统的芯层均匀等效做法,而直接对其离散的模型进行分析,考虑芯层的离散特性,将离散芯层和上下面板结合起来,运用能量原理建立方形蜂窝夹芯夹层板统一的弯曲控制方程.假设夹层板位移为双傅立叶级数形式,采用伽辽金法求解.对固支和简支矩形方形蜂窝夹芯夹层板数值仿真结果表明,文中方法得到的结果与有限元数值解吻合良好.该方法为有效、快捷地分析夹层板的力学性能提供了新的方法和途径.
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Key words
Energy principle,Finite element analysis,Galerkin approach,Sandwich plates,Square-honeycomb core
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