Comparative study of an interface crack for different wedge-interface models |
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| Authors: | G Mishuris G Kuhn |
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| Institution: | (1) Department of Mathematics, Rzeszow University of Technology, W. Pola 2, 35-959, Rzeszow, Poland e-mail: miszuris@prz.rzeszow.pl, PL;(2) Institute of Applied Mechanics, Erlangen-Nuremberg University, Egerlandstrasse 5, 91058, Erlangen, Germany e-mail: gkuhn@ltm.uni-erlangen.de, DE |
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| Abstract: | Summary An interface crack problem is investigated under various assumptions on an interface between two elastic materials. The interface
is modeled by an additional third structure (thin elastic wedge of differing elastic properties) matching the bonded materials,
or by introducing special boundary conditions on the crack line ahead. The main emphasis of the paper is placed on a comparison
of the asymptotic expansion of the elastic solutions near the crack tip obtained for the different models. In particular,
the behaviour of the stress singularity exponent and the generalized SIF are discussed. Numerical examples are presented.
Received 16 August 2000; accepted for publication 26 May 2001 |
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| Keywords: | Interface crack Nonideal interface Stress singularity Asymptotic behaviour |
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