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TECHNICAL BRIEFS

Evaluation of Finite Element Calculations in a Cracked Cylinder Under Internal Pressure by Speckle Photography

[+] Author and Article Information
G. H. Kaufmann, A. M. Lopergolo

Instituto de Física Rosario (CONICET-UNR), Av. Pellegrini 250, 2000 Rosario, Argentina

S. Idelsohn

Instituto de Desarrollo Tecnológico para la Industria Química (CONICET-UNL), Güemes 3450, 3000 Santa Fe, Argentina

J. Appl. Mech 50(4a), 896-897 (Dec 01, 1983) (2 pages) doi:10.1115/1.3167166 History: Received April 01, 1983; Online July 21, 2009

Abstract

The usefulness of using the speckle photography technique in fracture mechanics to check numerical calculations is demonstrated for an internally pressurized cylinder with a surface flaw. A pointwise technique was utilized to measure the opening displacements along the crack line and the Mode I stress-intensity factor was determined by extrapolating these results to the crack tip. Finite element calculations were performed to be compared with experimental data and good agreement was obtained.

Copyright © 1983 by ASME
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