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Three co-planar moving Griffith cracks in an infinite elastic medium

โœ Scribed by A. N. Das

Publisher
Springer Netherlands
Year
1993
Tongue
English
Weight
493 KB
Volume
59
Category
Article
ISSN
1573-2673

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โœฆ Synopsis

The dynamic in-plane problem of determining the stress and displacement due to three co-planar Griflith cracks moving steadily at a subsonic speed in a fixed direction in an infinite, isotropic, homogeneous medium under normal stress has been treated. The static problem of determining the stress and displacement around three co-planar Griflith cracks in an infinite isotropic elastic medium has also been considered. In both the cases, employing Fourier integral transform, the problems have been reduced to solving a set of four integral equations. These integral equations have been solved using finite Hilbert transform technique and Cook's result [16] to obtain the exact form of crack opening displacement and stress intensity factors which are presented in the form of graphs.

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