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Generalized stress intensity factors in linear elastostatics

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Abstract

The solution of two-dimensional linear elastostatic problems in the neighborhood of singular points is discussed. A reliable and efficient method for computing the eigenpairs that characterize the exact solution and their coefficients, called the generalized stress intensity factors, by the finite element method is demonstrated.

Examples, representing three very different kinds of singular points demonstrate that the method works well and produces results of high accuracy. Importantly, the method is applicable to anisotropic materials, multi-material interfaces, and cases where the singularities are characterized by complex eigenpairs.

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Author information

Authors and Affiliations

  1. Pearlstone Center for Aeronautical Engineering Studies, Dept. of Mechanical Engineering, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel

    Zohar Yosibash

  2. Center for Computational Mechanics, Washington University, Campus Box 1129, 63130, St. Louis, Missouri, USA

    Barna A. Szabó

Authors
  1. Zohar Yosibash
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  2. Barna A. Szabó
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Additional information

Research performed while the author served as a visiting assistant professor at Washington University in St. Louis.

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Yosibash, Z., Szabó, B.A. Generalized stress intensity factors in linear elastostatics. Int J Fract 72, 223–240 (1995). https://doi.org/10.1007/BF00037312

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  • DOI: https://doi.org/10.1007/BF00037312

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