Simulation of the compressive fracture of brittle and disordered solids

被引：1
作者：
Saimoto, A
Imai, Y
Hashida, T
Nisitani, H
机构：
[1] Nagasaki Univ, Grad Sch Sci & Technol, Nagasaki 8528521, Japan
[2] Nagasaki Univ, Fac Engn, Dept Mech Syst Engn, Nagasaki 8528521, Japan
[3] Tohoku Univ, Fracture Res Inst, Aoba Ku, Sendai, Miyagi 9808579, Japan
[4] Kyushu Sangyo Univ, Fac Engn, Higashi Ku, Fukuoka 8138503, Japan
来源：
PROGRESS IN EXPERIMENTAL AND COMPUTATIONAL MECHANICS IN ENGINEERING | 2003年 / 243-2卷
关键词：
compression; fracture mechanics; simulation; crack propagation;
D O I：
10.4028/www.scientific.net/KEM.243-244.285
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The mechanism of initiation and propagation of wing crack emanating from the tips of closed flaw under compressive stresses is discussed. The approximate expression of stress intensity factor for relatively long wing crack was derived and was found to agree well with the detailed numerical result. A wing crack extends stably where mode-I stress intensity factor decreases with the extension of crack. Wing crack propagation in an infinite domain as well as wing crack propagation in a semi-finite and finite regions were treated. Deflection of the surrounding boundaries was found to accelerate the growth of wing crack.
引用
收藏
页码：285 / 290
页数：6
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