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Stress Field Analysis on Anti-Plane Orthotropic Bi-Materials of Interface End
Author(s): LI Jun-lin, WANG Xiao-li
Pages: 1078-
1084
Year: 2009
Issue:
9
Journal: Applied Mathematics and Mechanics
Keyword: 正交异性; 反平面; 平板搭接; 界面端; 应力场; 有限元;
Abstract: 研究了正交异性双材料反平面平板搭接界面端问题,采用复合材料断裂复变方法,构造了特殊应力函数,通过求解一类广义重调和方程组的边值问题,推导出平板搭接界面端的应力场、位移场及应力强度因子的表达式,结果显示:反平面搭接界面端只有一个奇异性,上下材料常数比Γ>0时,应力场具有幂次奇异性,且随着Γ增长,奇异指数趋于-1/2,并利用有限元算例分析验证了理论结果的正确性.
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