摘要
首次推出拉伸半无限圆孔板孔边最大应力集中系数的显式表达式，此式不但形式简单而且具有良好的精度，目前文献中尚无类似表达式．同时指出，Ｊｅｆ－ｆｅｒｙ给出的仅有的几个具体理论值在圆孔比较靠近直线边界时误差较大．此外，采用本文新定义的应力集中系数，当圆孔非常靠近直线边界时有一个极限值．
The explicit expression of the maximum stress concentration factor for the tension semi- infinite strip with a circular hole is proposed in this paper. This expression is both simple and with ad- equate accuracy, and similar expressions have not been found in the open literature. It should be pointed out that the several theoretical values given by Jeffery^([1～3]) are proved to be with relatively large error, especially when the circular hole gets closer to the straight line boundary. Furthermore, under the new definition of the stress concentration fac- tor given in this paper, a limit value is approached when the circular hole is very near to the straight line boundary.
出处
《力学与实践》
CSCD
北大核心
2001年第6期33-35,共3页
Mechanics in Engineering
基金
国家自然科学基金项目(19874026)资助.
