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An exact solution for the stress intensity factor for a double cantilever beam

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Abstract

An exact solution for the stress intensity factor for a double cantilever beam (DCB) specimen loaded by opposing point loads has been obtained by the Wiener-Hopf technique. A simple approximate formula is given for the stress intensity factor that is accurate to within 1.1 percent for all crack lengths with a large uncracked ligament.

Résumé

En utilisant la technique de Wiener-Hopf, on a obtenu une solution exacte pour le facteur d'intensité d'entaille correspondant à une éprouvette en forme de poutre double Cantilever sollicitée par des charges ponctuelles opposées. On a déterminé le facteur d'intensité de contraintes sous forme d'une formulation approchée simple dont la précision est inférieure à 1,1%, pour toute longueur de fissures compatible avec une zone ligament non fissurée d'assez grande dimension.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Sydney, 2006, Syndney, N.S.W., Australia

    R. M. L. Foote

  2. School of Mathematics, University of New South Wales, 2033, Kensington, N.S.W., Australia

    V. T. Buchwald

Authors
  1. R. M. L. Foote
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  2. V. T. Buchwald
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Foote, R.M.L., Buchwald, V.T. An exact solution for the stress intensity factor for a double cantilever beam. Int J Fract 29, 125–134 (1985). https://doi.org/10.1007/BF00034313

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  • DOI: https://doi.org/10.1007/BF00034313

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