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Energy analysis of crack interaction with an elastic inclusion

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Abstract

This paper gives an energy analysis of an elastic solid with a crack which penetrates an elastic inclusion. The purpose of our work is to evaluate the energy release rates (ERR) associated with crack tip extension while the inclusion is stationary, and to evaluate the ERR due to inclusion translation, rotation and expansion with respect to the crack tip. Reduction and increase in the crack ERR caused by an inclusion (shielding and amplification effects of the inclusion) are expressed in terms of the inclusion elastic properties normalized by Young's modulus of the bulk material. The variation in ERR as a crack approaches and passes through a circular inclusion is also examined.

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Authors and Affiliations

  1. Department of Civil Engineering, Mechanics and Metallurgy, University of Illinois at Chicago, 60680, Chicago, Illinois, USA

    Rongshun Li & A. Chudnovsky

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  1. Rongshun Li
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  2. A. Chudnovsky
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Li, R., Chudnovsky, A. Energy analysis of crack interaction with an elastic inclusion. Int J Fract 63, 247–261 (1993). https://doi.org/10.1007/BF00012471

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  • DOI: https://doi.org/10.1007/BF00012471

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