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工程力学  2014 

带孔洞损伤弹性矩形板的屈曲

DOI: 10.6052/j.issn.1000-4750.2012.09.0661, PP. 154-159

Keywords: 带孔洞弹性固体,Galerkin法,矩形薄板,屈曲,损伤

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Abstract:

应用弹性微结构理论,建立了具有广义力场的损伤线弹性材料的基本方程。应用板小挠度理论,给出用挠度和损伤表示的薄板的平衡方程和损伤控制方程。在满足位移和损伤的几何和自然边界条件下,给出了挠曲面函数和损伤函数。最后应用Galerkin方法,分别求出四边简支的损伤弹性板在单向受压和纯剪切状态下的屈曲荷载。

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