A new fracture mechanics theory for orthotropic materials like wood

被引：52
|
作者：
van der Put, T. A. C. M. [1 ]
机构：
[1] Delf Wood Sci Fdn, NL-2625 LJ Delft, Netherlands
来源：
ENGINEERING FRACTURE MECHANICS | 2007年 / 74卷 / 05期
关键词：
linear elastic fracture mechanics; mixed mode I-II fracture criterion; flat elliptic crack; fracture energy; energy release rate; orthotropic-isotropic Airy stress-function transformation;
D O I：
10.1016/j.engfracmech.2006.06.015
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A new fractnre mechanics theory is derived based on a new orthotropic-isotropic transformation of the Airy stress function, making the derivation of the Wu-mixed mode I-II" fracture criterion possible, based on the failure criterion of a flat elliptic crack. As a result of this derivation, the right fracture energy and theoretical relation between mode I and II stress intensities and energy release rates are obtained. (c) 2006 Elsevicr Ltd. All rights reserved.
引用
收藏
页码：771 / 781
页数：11
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