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Impact response of a finite crack in a finite strip under anti-plane shear

✍ Scribed by E.P. Chen

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
305 KB
Volume
9
Category
Article
ISSN
0013-7944

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✦ Synopsis

The response of a through-the thickness crack with finite dimensions to impact loads in a finite elastic strip is investigated in this study. The elastic strip is assumed to be subjected to anti-plane shear deformation. Laplace and Fourier transform were used to formulate the mixed boundary value problem. The dynamic stress intensity factor and crack opening displacement are obtained as a function of time and the strip width to crack length ratio, hla. The results indicate that the intensity of the crack-tip stress field reaches a peak very quickly and then decreases in magnitude oscillating about the static value. In general, the dynamic stress intensity factor is higher for small hla. Similar behavior has also been found for the crack surface displacement.

πŸ“œ SIMILAR VOLUMES

Finite length crack in a viscoelastic st
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✍ G.A. Papadopoulos; H.G. Georgiadis; P.I. Poniridis πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 English βš– 460 KB

Numerical results were extracted from the theoretical solution of the title problem for the case of the standard linear solid. The numerical procedure was accomplished by solving a second kind Fredholm integral equation and then by inverting the Laplace transformed intensity function. The latter was

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The problem of an edge crack in a finite orthotropic plate under anti-plane shear is considered. The boundary collocation method is used to calculate the mode III stress intensity factor (SF). For the case in which the material is isotropic, the present results agree very well with those obtained by