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Three-dimensional transient wave response in a cracked elastic solid

✍ Scribed by Xiang-Ping Li; Chun-Tu Liu

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 520 KB
Volume: 48
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(94)90210-0

No coin nor oath required. For personal study only.

✦ Synopsis

The three-dimensional transient wave response problem is presented for an infinite elastic medium weakened by a plane crack of infinite length and finite width. Tractions are applied suddenly to the crack, which simulates the case of impact loading. The integral transforms are utilized to reduce the problem to a standard Fredholm integral equation in the Laplace transform variable and sequentially invert the Laplace transforms of the stress components by numerical inversion method. The dynamic mode I stress intensity factors at the crack tip are obtained and some numerical results are presented in graphical form.

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