journal article·2001-10

J-integral analysis of the interaction between an interface crack and parallel subinterface cracks in dissimilar anisotropic materials

Wen-Ye Tian, Kam-Tim Chau, Yi-Heng Chen

International Journal of Fracture· Volume 111· Issue 4
Publisher page

Abstract

The J-integral analysis is presented for the interaction problem between a macro-interface crack and subinterface microcracks parallel to the former in the near-tip process zone in dissimilar anisotropic composite materials. Elementary solutions respectively considering an interface crack and a subinterface crack subjected to different loads are given from which the interaction problem is deduced to a system of integral equations with the aid of superimposing technique (i.e., the so called `Pseudo-Traction Method' abbreviated as PTM). After the integral equations are solved numerically, a consistent relation among three kinds of the J-integral values is obtained. They are induced from the macro-interface crack tip, the microcracks, and the remote field, respectively. This consistent relation of the J-integral can be used to confirm the numerical results derived by using whatever kind of technique. With the aid of J-integral analysis, the interaction behaviors between an interface crack and parallel subinterface cracks are investigated in detail, and some special physical phenomena are obtained.
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Research context

OpenAlex topics: Numerical methods in engineering · Fatigue and fracture mechanics · Geotechnical Engineering and Underground Structures

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References (23)

Show source-provided references
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