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Asymptotic solution of three-dimensional elasticity problems of elongated plane tensile cracks

โœ Scribed by R. V. Goldstein; A. V. Kaptsov; L. B. Korelstein


Publisher
Springer Netherlands
Year
1986
Tongue
English
Weight
965 KB
Volume
31
Category
Article
ISSN
1573-2673

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โœฆ Synopsis


Three-dimensional elasticity problems of plane tensile crack elongated along the plane curve are considered. The asymptotic solution of the problems is obtained by the method of outer and inner expansions applied directly to the two-dimensional integro-differential equation for the displacement of crack surface points. The formulae for crack opening and distribution of stress intensity factors are derived for various crack forms. Some estimates are found of the stress intensity factor in the small neighbourhoods of ends of the curve along which the crack extends and where the above mentioned asymptotic formulae don't hold. Comparison of obtained results with known analytical and numerical solutions demonstrates the high efficiency of our formulae. d x 2 oo


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