Fractal effects of crack propagation on dynamic stress intensity factors and crack velocities

1996 ◽  
Vol 74 (1) ◽  
pp. 29-42 ◽  
Author(s):  
Heping Xie ◽  
David J. Sanderson
Keyword(s):  
Stress Intensity ◽  
Crack Propagation ◽  
Stress Intensity Factors ◽  
Dynamic Stress ◽  
Intensity Factors ◽  
Dynamic Stress Intensity Factors

scholarly journals Dynamic crack propagation between two bonded orthotropic plates

2004 ◽  
Vol 2004 (1) ◽  
pp. 55-68 ◽  
Author(s):  
M. S. Matbuly
Keyword(s):  
Stress Intensity ◽  
Crack Propagation ◽  
Stress Intensity Factors ◽  
Dynamic Stress ◽  
Fourier Transforms ◽  
Dynamic Crack ◽  
Cauchy Type ◽  
Intensity Factors ◽  
Orthotropic Plates ◽  
Dynamic Stress Intensity Factors

The problem of crack propagation along the interface of two bonded dissimilar orthotropic plates is considered. Using Galilean transformation, the problem is reduced to a quasistatic one. Then, using Fourier transforms and asymptotic analysis, the problem is reduced to a pair of singular integral equations with Cauchy-type singularity. These equations are solved using Gauss-Chebyshev quadrature formulae. The dynamic stress intensity factors are obtained in closed form expressions. Furthermore, a parametric study is introduced to investigate the effect of crack growth rate and geometric and elastic characteristics of the plates on values of dynamic stress intensity factors.

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