✦ LIBER ✦

On the electrical potential analysis of a cracked fracture mechanics test specimen using the finite element method

✍ Scribed by W.K. Wilson

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 943 KB
Volume: 18
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(83)90145-5

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✦ Synopsis

The use of the finite element method to calculate electrical potential drop vs crack extension calibration curves for fracture mechanics test specimens is investigated. The influence of finite element mesh size and the use of singular elements at the crack tip are considered. Also, some of the details of the compact specimen geometry and electrical potential set-up are examined. Electrical potential solutions for very deep cracks in the compact specimen were obtained and extrapolated to a limiting case solution. A comparison of some of the solutions generated in this investigation with other available numerical solutions and experimentally measured data was very favorable.

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