Dynamic stress intensity factors at the ends of two collinear longitudinal shear cracks

1982 ◽  
Vol 14 (7) ◽  
pp. 891-895
Author(s):  
N. M. Borodachev ◽  
V. A. Kol'tsov
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Dynamic Stress ◽  
Longitudinal Shear ◽  
Shear Cracks ◽  
Intensity Factors ◽  
Dynamic Stress Intensity Factors

scholarly journals Determination of mixed-mode dynamic stress intensity factors in a fast curving fracture test using a laser caustic method.

1989 ◽  
Vol 55 (516) ◽  
pp. 1848-1855
Author(s):  
Toshihisa NISHIOKA ◽  
Hiroyuki KITTAKA ◽  
Hidetoshi UCHIYAMA ◽  
Tatsuyuki MURAKAMI ◽  
Keigo SAKAKURA
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Mixed Mode ◽  
Dynamic Stress ◽  
Fracture Test ◽  
Intensity Factors ◽  
Dynamic Stress Intensity Factors ◽  
Caustic Method

The influence of elastic waves on dynamic stress intensity factors (two-dimensional problems)

1996 ◽  
Vol 66 (5) ◽  
pp. 326-335 ◽  
Author(s):  
P. H. Wen ◽  
M. H. Aliabadi ◽  
D. P. Rooke
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Elastic Waves ◽  
Dynamic Stress ◽  
Two Dimensional ◽  
Intensity Factors ◽  
Dynamic Stress Intensity Factors

Elastodynamic Fracture Analysis of Multiple Cracks by Laplace Finite Element Alternating Method

1999 ◽  
Vol 67 (3) ◽  
pp. 606-615 ◽  
Author(s):  
W.-H. Chen ◽  
C.-L. Chang ◽  
C.-H. Tsai
Keyword(s):  
Finite Element ◽  
Stress Intensity ◽  
Laplace Transform ◽  
Stress Intensity Factors ◽  
Dynamic Stress ◽  
Multiple Cracks ◽  
Intensity Factors ◽  
Dynamic Stress Intensity Factors ◽  
Alternating Method ◽  
The Laplace Transform

The Laplace finite element alternating method, which combines the Laplace transform technique and the finite element alternating method, is developed to deal with the elastodynamic analysis of a finite plate with multiple cracks. By the Laplace transform technique, the complicated elastodynamic fracture problem is first transformed into an equivalent static fracture problem in the Laplace transform domain and then solved by the finite element alternating method developed. To do this, an analytical solution by Tsai and Ma for an infinite plate with a semi-infinite crack subjected to exponentially distributed loadings on crack surfaces in the Laplace transform domain is adopted. Finally, the real-time response can be computed by a numerical Laplace inversion algorithm. The technique established is applicable to the calculation of dynamic stress intensity factors of a finite plate with arbitrarily distributed edge cracks or symmetrically distributed central cracks. Only a simple finite element mesh with very limited number of regular elements is necessary. Since the solutions are independent of the size of time increment taken, the dynamic stress intensity factors at any specific instant can even be computed by a single time-step instead of step-by-step computations. The interaction among the cracks and finite geometrical boundaries on the dynamic stress intensity factors is also discussed in detail. [S0021-8936(00)02103-6]

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