具有圆形切口的正交异性复合薄板的弹塑性分析

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Elastic-Plastic Analysis of Cylindrically Orthotropic Composite Lamina with a Circular Hole under Uniform Pressure

Department of Mathematics and Mechanics, South China Institute of Technology, Guangzhou

摘要: 本文给出了平面应力状态下Tsai-Hill屈服准则的标准参数形式;研究了具有圆形切口、圆柱正交异性复合薄板在均匀的径向压力作用下,其在a.弹性状态,b.极限状态和c.弹塑性状态下的应力分布规律;得到了弹性极限压力和极限载荷的公式.

Abstract: This paper presents the standard parametric representation of the Tsai-Hill yield criterion in a state of plane stress and the equations governing the stress distribution in a cylindrically orthotropic composite lamina with a circular hole under uniform pressure for the three cases:(a) elastic state,(b) limit state and(c) elastoplastic state. The formulas for the yield pressure and the limit pressure have been obtained.

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[3]	Jones,R.M.Mechanics of Composite Materials,Scripta Book,Co.,Washington,D C.,McGraw-Hill,New York(1975).