Sudden twisting of an external circular crack in an infinite medium with a cylindrical inclusion |
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Authors: | RS Dhaliwal BM Singh Jan Vrbik |
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Affiliation: | Department of Mathematics and Statistics, University of Calgary, Calgary, Alberta, Canada T2N 1N4;Petroleum Recovery Institute, Calgary, Alberta, Canada |
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Abstract: | In this paper the torsional impact response of an external circular crack in an infinite medium bonded to a cylindrical inclusion has been investigated. The infinite medium and cylindrical inclusion are assumed to be of different homogeneous isotropie elastic materials. Laplace and Hankel transforms are used to reduce the problem to the solution of a pair of dual integral equations. These equations are solved by using an integral transform technique and the results are expressed in terms of a Fredhol integral equation of the second kind. By solving Fredholm integral equation of the second kind the numerical results for the dynamic stress-intensity factor are obtained which measure the load transmission on the crack. |
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