Stress singularities in a dissimilar materials joint with edge tractions under mechanical and thermal loadings
Stress singularities in a dissimilar materials joint with edge tractions under mechanical and thermal loadings
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DOI：
10.1016/s0020-7683(96)00097-2
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发表时间：
1997-04
影响因子：
3.6
通讯作者：
Y. Y. Yang-Y.;D. Munz
中科院分区：
文献类型：
--
作者：
Y. Y. Yang-Y.;D. Munz
在两种不同材料的接头中，对于弹性材料行为，在边缘和界面的相交处的应力是奇异的。对于有边力的接头，奇点附近的应力是奇异项与正则项之和。早期的研究表明，奇异应力指数是相同的一个节点的自由边缘和边缘的牵引。文献中只研究了奇异项。本文的重点是给出正则应力项的显式表达式，它是边力、材料特性和接头几何形状的函数。结果表明，正则项对奇点附近的应力分布也很重要。
In a two dissimilar materials joint the stresses at the intersection of the edges and the interface are singular for elastic material behaviour. For a joint with edge tractions the stresses near the singular point are the sum of singular terms and regular terms. Earlier investigations have shown that the singular stress exponents are the same for a joint with free edge and edges with tractions. In the literatures only the singular term has been studied. The emphasis in this paper is placed on giving an explicit form of the regular stress terms as a function of the edge tractions, the material properties and the geometry of the joint. It is shown that the regular terms are important also for the stress distribution near the singular point.