An Empirical Formula for Stress Intensity Factors of Double Edge Half-Circular-Hole Cracks in a Rectangular Sheet in Tension

被引：0
|
作者：
Yan, Xiangqiao [1 ]
机构：
[1] Harbin Inst Technol, Res Lab Composite Mat, Harbin 150001, Peoples R China
来源：
JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME | 2012年 / 134卷 / 05期
基金：
中国国家自然科学基金;
关键词：
crack; stress intensity factor; crack-tip element; displacement discontinuity; DISPLACEMENT DISCONTINUITY METHOD; SQUARE HOLE; NUMERICAL-ANALYSIS; BIAXIAL LOADS; CORNER; PLATE; TIP;
D O I：
10.1115/1.4005936
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This note deals with the stress intensity factors (SIFs) for double edge half-circular-hole cracks in a rectangular sheet in tension by means of the displacement discontinuity method with crack-tip elements (a boundary element method) proposed recently by the author. Moreover, an empirical formula of the SIFs of the crack problem is presented and examined. It is found that the empirical formula is simple, yet accurate for evaluating the SIFs of the crack problem. [DOI: 10.1115/1.4005936]
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