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A novel singular finite element on mixed-mode bimaterial interfacial cracks with arbitrary crack surface tractions

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Abstract

This paper investigates interfacial cracks with arbitrary crack surface tractions. A novel singular finite element which is constructed with the analytical solution around interfacial cracks is presented. Interfacial crack problems can be analyzed numerically using the singular finite element, and Mode I and/or Mode II stress intensity factors can be obtained directly. Unlike other enriched elements for cracks, neither extra unknowns nor transition elements are required. Numerical examples are given to illustrate the validity of present method.

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Authors and Affiliations

  1. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, 116024, People’s Republic of China

    X. F. Hu & W. A. Yao

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  1. X. F. Hu
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  2. W. A. Yao
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Correspondence to W. A. Yao.

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Hu, X.F., Yao, W.A. A novel singular finite element on mixed-mode bimaterial interfacial cracks with arbitrary crack surface tractions. Int J Fract 172, 41–52 (2011). https://doi.org/10.1007/s10704-011-9645-3

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  • DOI: https://doi.org/10.1007/s10704-011-9645-3

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