期刊
ENGINEERING FRACTURE MECHANICS
卷 131, 期 -, 页码 100-127出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2014.07.013
关键词
Interaction integral; Adiabatic crack; Thermo-mechanical loading; Extended finite element method (XFEM); Orthotropic
类别
资金
- Iran National Science Foundation (INSF)
In this paper, the path independent interaction integral has been implemented in the framework of the extended finite element method for mixed mode adiabatic cracks under thermo-mechanical loadings particularly in orthotropic non-homogenous materials. The mesh insensitivity and increased accuracy due to the thermal and displacement asymptotic analytical solutions are discussed and the contour independency of the interaction integral is investigated in different examples. Finally, the problem of crack propagation in orthotropic FGM materials under the thermal loading is investigated to assess the accuracy and robustness of proposed approach. (C) 2014 Elsevier Ltd. All rights reserved.
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