Multiple crack propagation along the interface of a non-homogeneous composite subjected to anti-plane shear loading

Faculty Science Year: 2009
Type of Publication: Article Pages: 547-554
Authors: DOI: 10.1007/s11012-009-9190-6
Journal: MECCANICA SPRINGER Volume: 44
Research Area: Mechanics ISSN ISI:000270543500005
Keywords : Griffith crack, Functionally graded material, Interface, Anti-plane shear traction, Singular integral equation    
Abstract:
The present work concerns with the multiple crack propagation along the interface of two bonded dissimilar strips. The crack faces are subjected to anti-plane shear traction. Galilean transformation is employed to reduce the problem to a quasi-static one. Then, using Fourier transforms and asymptotic analysis, the quasi-static problem is reduced to a pair of singular integral equations. That are solved numerically, using Gauss-Chebyshev integration formulae. The values of the dynamic stress intensity factors are obtained and compared with the previous similar works. Further, a parametric study is introduced to investigate the effect of crack growth rate, geometric and elastic characteristics of the composite on the values of dynamic stress intensity factors.
   
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