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A generalised solution for the crack surface displacement of mode I two-dimensional part-elliptical crack

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Abstract

A generalised approximate crack surface displacement solution for the two-dimensional part-elliptical mode I crack was developed. This solution includes the surface crack, corner crack and embedded crack, which is subjected to the arbitrary crack surface pressure. The crack surface displacement is derived from stress intensity factor solution and corresponding crack surface pressure distribution. Comparisons of the solution with accurate solutions showed that rather high accuracy has been achieved with the developed solution for various surface, embedded and corner crack problems. This solution can be used to derive three-dimensional weight functions as long as the stress intensity factor and the corresponding crack surface pressure are available for arbitrary mode I problems.

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  1. Structures Division, The Aeronautical Research Institute of Sweden, P.O. Box 11021, S-161 11, Bromma, Sweden

    G. S. Wang

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  1. G. S. Wang
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Wang, G.S. A generalised solution for the crack surface displacement of mode I two-dimensional part-elliptical crack. Int J Fract 59, 161–187 (1993). https://doi.org/10.1007/BF00012389

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  • DOI: https://doi.org/10.1007/BF00012389

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