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题名:
Analysis of 3D fluid driven crack propagation problem in co-seismic slip under P- and S-waves by hybrid hypersingular integral method
作者: Zhu BJ(朱伯靖)1,2; Shi Yaolin1; Michael Sukop2; Li Yongbing1,3; Qin Taiyan4
刊名: Computer Methods in Applied Mechanics and Engineering
出版日期: 2009-06
卷号: 198, 期号:30-32, 页码:2446-2469
DOI: 10.1016/j.cma.2009.02.031
学科分类: 地球科学::固体地球物理学
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 ; Michael Sukop, Email: sukopm@fiu.edu ; Li Yongbing, Email: ybli@gucas.ac.cn ; Qin Taiyan, Email: tyqin@cau.edu.cn
关键词: 3D fluid driven crack propagation ; mechanism ; P- and S-waves ; Extended hybrid hypersingular integral ; equation ; Extended dynamic stress intensity factor ; General extended singular pore stress waves
英文摘要: This work reports a new and accurate way of theoretical and numerical description of the extended 3D fluid (electromagnetic and flow) driven crack progression in co-seismic slip under P- and S-waves. First, based on the viscous fluid flow reciprocal work theorem, the hybrid hypersingular integral equation (HIE) method proposed by the author was defined by combined with the coupled extended wave time-domain HIE and the extended diffused interface phase field method. The general extended 3D fluid flow velocity wave solutions are obtained by the extended wave time-domains Green’s function method. The 3D extended dynamic fluid driven crack modeling under fully coupled electromagnetothermoelastic P- and S-wave and flow field was established. Then, the problem is reduced to solving a set of extended hybrid HIEs coupled with nonlinear boundary domain integral equations, in which the unknown functions are the general extended flow velocity discontinuity waves. The behavior of the general extended singular stress indices around the crack front terminating is analyzed by hybrid time-domain main-part analysis. The general extended singular pore stress waves (SPSWs) and the extended dynamic stress intensity factors (DSIFs) on the fluid driven crack surface are obtained from closed-form solutions. In addition, a numerical method for the problem is proposed, in which the extended velocity discontinuity waves are approximated by the product of time-domain density functions and polynomials. The extended DSIFs and general extended SPSWs are calculated, and the results are presented toward demonstrating the applicability of the proposed method.
项目资助者: National Natural Science Foundation of China(40673016, 10872213) ; China Postdoctoral Science Foundation(20080430073)
语种: 英语
原文出处: 查看原文
ISSN号: 0045-7825
文章类型: Article
研究领域[WOS]: Engineering ; Mathematics ; Mechanics
类目[WOS]: Engineering, Multidisciplinary ; Mathematics, Interdisciplinary Applications ; Mechanics
关键词[WOS]: INCREMENTAL NONLINEAR ELASTICITY ; PIECEWISE HETEROGENEOUS MEDIA ; METAL-INDUCED EMBRITTLEMENT ; GREENS-FUNCTIONS ; NUMBER REPRESENTATION ; 3-DIMENSIONAL CRACK ; EQUATION METHOD ; SHEAR BANDS ; HALF-SPACE ; BOUNDARY
WOS记录号: WOS:000266820000018
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ynao.ac.cn/handle/114a53/12327
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 Science, Graduate University of Chinese Academy of Sciences, Beijing 100049, PR China
2.Department of Earth Sciences, Florida International University, Miami, FL 33199, USA
3.Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, PR China
4.College of Science, Chinese Agricultural University, Beijing 100083, PR China

Recommended Citation:
Zhu BJ,Shi Yaolin,Michael Sukop,et al. Analysis of 3D fluid driven crack propagation problem in co-seismic slip under P- and S-waves by hybrid hypersingular integral method[J]. Computer Methods in Applied Mechanics and Engineering,2009,198(30-32):2446-2469.
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