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Westergaard stress functions for displacement-prescribed crack problems—I

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Abstract

The single stress function approach of Westergaard has been effective for a certain class of stress-prescribed crack problems. In the present study, the Westergaard approach was successfully extended to displacement-prescribed crack problems. The method presented, which requires no more than the evaluation of integrals, significantly simplifies the analysis. The method is easily extended to crack problems involving displacement-prescribed and stress-prescribed conditions. This initial study laid the ground work for the subsequent extension to the mixed problem.

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Authors and Affiliations

  1. Washington University, 63130, St. Louis, Missouri, USA

    H. Tada & P. C. Paris

  2. School of Mechanical Engineering, Georgia Institute of Technology, 30332-0405, Atlanta, Georgia, USA

    H. A. Ernst

Authors
  1. H. Tada
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  2. H. A. Ernst
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  3. P. C. Paris
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Tada, H., Ernst, H.A. & Paris, P.C. Westergaard stress functions for displacement-prescribed crack problems—I. Int J Fract 61, 39–53 (1993). https://doi.org/10.1007/BF00032338

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  • DOI: https://doi.org/10.1007/BF00032338

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