Estimation of stress intensity factors for semi-elliptical surface cracks

被引：17
|
作者：
Fett, T [1 ]
机构：
[1] Forschungszentrum Karlsruhe, Inst Mat Forsch 2, D-76021 Karlsruhe, Germany
来源：
ENGINEERING FRACTURE MECHANICS | 2000年 / 66卷 / 04期
关键词：
stress intensity factor; surface cracks; virtual crack extension;
D O I：
10.1016/S0013-7944(00)00027-8
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The procedure described in this paper enables the determination of local stress intensity factors on the basis of the well-known limit case considerations. An arbitrary stress distribution is separated into a constant and a linear stress contribution, for which stress intensity factor solutions are known. The remaining stress contribution is treated with the weight function method for two-dimensional cracks. The procedure is illustrated by applying it to exponentially distributed stresses in a half-space. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：349 / 356
页数：8
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