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题名:
Mixed-mode stress intensity factors of 3D interface crack in fully coupled electromagnetothermoelastic multiphase composites
作者: Zhu BJ(朱伯靖)1,2,3; Shi Yaolin1; Qin Taiyan3; Michael Sukop2; Yu Shaohua4; Li Yongbing1,5
刊名: International Journal of Solids and Structures
出版日期: 2009-06
卷号: 46, 期号:13, 页码:2669-2679
DOI: 10.1016/j.ijsolstr.2009.02.010
学科分类: 力学 ; 力学::物理力学
收录类别: SCI
通讯作者: Zhu BJ(朱伯靖), Email: cynosureorion@gucas.ac.cn ; Shi Yaolin, Email: shiyl@gucas.ac.cn ; Qin Taiyan, Email: tyqin@cau.edu.cn ; Michael Sukop, Email: sukopm@fiu.edu ; Li Yongbing, Email: ybli@mail.igcas.ac.cn
关键词: 3D interface crack ; Boundary element method ; Fully coupled electromagnetothermoelastic anisotropic multiphase composites ; Hypersingular intergro-differential equation method ; Extended stress intensity factors
英文摘要: This contribution presents an extended hypersingular intergro-differential equation (E-HIDE) method for modeling the 3D interface crack problem in fully coupled electromagnetothermoelastic anisotropic multiphase composites under extended electro-magneto-thermo-elastic coupled loads through theoretical analysis and numerical simulations. First, based on the extended boundary element method, the 3D interface crack problem is reduced to solving a set of E-HIDEs coupled with extended boundary integral equations, in which the unknown functions are the extended displacement discontinuities. Then, the behavior of the extended singular stress indices around the interface crack front terminating at the interface is analyzed by the extended main-part analysis. The extended stress intensity factors near the crack front are defined. In addition, a numerical method for a 3D interface crack problem subjected to extended loads is proposed, in which the extended displacement discontinuities are approximated by the product of basic density functions and polynomials. Finally, the radiation distribution of extended stress intensity factors at the interface crack surface are calculated, and the results are presented toward demonstrating the applicability of the proposed method.
语种: 英语
原文出处: 查看原文
ISSN号: 0020-7683
文章类型: Article
研究领域[WOS]: Mechanics
类目[WOS]: Mechanics
关键词[WOS]: INTEGRAL-EQUATION METHOD ; BOUNDARY-ELEMENT METHOD ; 3-DIMENSIONAL CRACK ; PIEZOELECTRIC MATERIALS ; BIMATERIAL INTERFACE ; RECTANGULAR CRACK ; BI-MATERIALS ; GROWTH ; FRONT
WOS记录号: WOS:000266045700015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ynao.ac.cn/handle/114a53/12328
Appears in Collections:非本单位_期刊论文

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作者单位: 1.Laboratory of Computational Geodynamics, College of Earth Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100049, PR China
2.Department of Earth Sciences, Florida International University, Miami, FL 33199, USA
3.College of Science, China Agricultural University, Beijing 100083, PR China
4.Goodrich Corporation, Charlotte, NC 28217-4578,USA
5.Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, PR China

Recommended Citation:
Zhu BJ,Shi Yaolin,Qin Taiyan,et al. Mixed-mode stress intensity factors of 3D interface crack in fully coupled electromagnetothermoelastic multiphase composites[J]. International Journal of Solids and Structures,2009,46(13):2669-2679.
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文件名: Mixed-mode stress intensity factors of 3D interface crack in fully coupled electromagnetothermoelastic multiphase composites.pdf
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