Calculation of stress intensity factors for curved cracks in anisotropic FGMs

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题名:	Calculation of stress intensity factors for curved cracks in anisotropic FGMs
作者:	張瑞宏;Chang, Jui-Hung;Tang, Dah-Suen
贡献者:	工學院土木工程學系
关键词:	anisotropic FGM;curved crack;integrals;mixed-mode SIFs;modified J;subject index
日期:	2013-12-01
上传时间:	2026-04-21 13:37:52 (UTC+8)
出版者:	Taylor and Francis Ltd.;Taylor & Francis
摘要:	摘要： A combined analytical and numerical method is proposed for computation of mixed-mode stress intensity factors (SIFs) for arbitrary curved cracks in anisotropic functionally graded materials (FGMs). By developing a pair of closed-form expressions that relate the SIFs and the J k -integrals, it is anticipated that the SIFs can be properly extracted should the J k -integrals be accurately evaluated. To this end, a novel method for calculating the J k -integrals is presented and has proved reasonably accurate in numerical computations. Since neither a priori information nor extra auxiliary solutions corresponding to the singular behavior is required, this proposed scheme appears to be applicable to problems containing arbitrary shapes of curvature in generally anisotropic FGMs. 出版者： Taylor & Francis 出版日期： 2013-12-01 出處： Journal of the Chinese Institute of Engineers, 2013-12, Vol.36 (8), p.1045-1058 版權： 2013 The Chinese Institute of Engineers 2013 識別號： ISSN: 0253-3839 識別號： EISSN: 2158-7299 識別號： DOI: 10.1080/02533839.2012.747048
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