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Fracture Analysis in Orthotropic Thermoelasticity Using Extended Finite Element Method

Published online by Cambridge University Press:  09 September 2015

Honggang Jia ,
Yufeng Nie  and
Junlin Li
Honggang Jia
Affiliation:
Department of Applied Mathematics, School of Science, Northwestern Polytechnical University, Xi’an 710129, China
Yufeng Nie*
Affiliation:
Department of Applied Mathematics, School of Science, Northwestern Polytechnical University, Xi’an 710129, China
Junlin Li
Affiliation:
Taiyuan University of Science and Technology, School of Applied Science, Taiyuan 030024, China
*
*Corresponding author. Email: yfnie@nwpu.edu.cn (Y. F. Nie), z770428@126.com (H. G. Jia)
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Abstract

In this paper, a method for extracting stress intensity factors (SIFs) in orthotropic thermoelasticity fracture by the extended finite element method (XFEM) and interaction integral method is present. The proposed method is utilized in linear elastic crack problems. The numerical results of the SIFs are presented and compared with those obtained using boundary element method (BEM). The good accordance among these two methods proves the applicability of the proposed approach and conforms its capability of efficiently extracting thermoelasticity fracture parameters in orthotropic material.

Keywords

65M6074A45Fractureorthotropicthermoelasticityinteraction integral methodXFEM
Type
Research Article
Information
Advances in Applied Mathematics and Mechanics , Volume 7 , Issue 6 , December 2015 , pp. 780 - 795
Copyright
Copyright © Global-Science Press 2015 

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