期刊
ENGINEERING FRACTURE MECHANICS
卷 74, 期 5, 页码 771-781出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2006.06.015
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
类别
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.
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