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工程力学  2013 

一维正方准晶椭圆孔口反平面问题的半逆解法

DOI: 10.6052/j.issn.1000-4750.2011.07.0455, PP. 38-43

Keywords: 一维正方准晶,椭圆孔口,应力强度因子,半逆解法,显式解析解

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Abstract:

选取新的位移势函数,利用半逆解法及待定系数法,研究一维正方准晶平行于准周期方向的椭圆孔口问题,给出了应力场的显式解析解。在极限状态下,椭圆孔口问题可退化为Griffith裂纹问题,得到了相应裂纹问题的应力场和应力强度因子的显式解析解。

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