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Effect of Reference Loading and Crack Configuration on the Stress Intensity Factors In Weight Function Method

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Abstract

In calculating the stress intensity factors (SIFs) using the weight function method, the accuracy of the result depends upon proper selection of the set of reference loadings. The objective of the present work is to find a unique set of reference loadings to calculate the SIF at the tip of a crack of any configuration. Additionally, the universality of these reference loadings with respect to calculating the SIF for various crack configurations is examined. Two sets of crack configurations were considered, with and without a pre-existing crack. In each set, a horizontal crack and a slanted crack were analyzed.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Texas Tech University, Lubbock, Texas, 79409, USA

    S. Ekwaro-Osire, M. P. H. Khandaker, K. Gautam & G. Lolge

Authors
  1. S. Ekwaro-Osire
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  2. M. P. H. Khandaker
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  3. K. Gautam
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  4. G. Lolge
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Correspondence to S. Ekwaro-Osire.

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Ekwaro-Osire, S., Khandaker, M.P.H., Gautam, K. et al. Effect of Reference Loading and Crack Configuration on the Stress Intensity Factors In Weight Function Method. Int J Fract 139, 553–560 (2006). https://doi.org/10.1007/s10704-006-0103-6

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  • DOI: https://doi.org/10.1007/s10704-006-0103-6

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