The Stress Intensity Factor for an Elliptic Crack Under a Piecewise-Constant Load

被引：0
|
作者：
G. V. Galatenko
机构：
[1] S. P. Timoshenko Institute of Mechanics,
[2] National Academy of Sciences of Ukraine,undefined
来源：
International Applied Mechanics | 2002年 / 38卷
关键词：
Stress Intensity; Approximate Solution; Intensity Factor; Stress Intensity Factor; Stress Intensity Factor;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A closed approximate solution is given for the stress intensity factor (SIF) at the front of an elliptic crack under uniform loading on the elliptic ring. The solution is constructed by modifying Rice's variational formula that integrally relates the SIFs for two different states on the crack faces. The first state is a combination of the second and principal states such that the total SIF is zero. In this case, Rice's formula reduces to the virtual-displacement principle for a combined loading on the crack faces.
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页码：854 / 860
页数：6
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