Dynamic Expansion of an Open-Ended Tube

[+] Author and Article Information
G. K. Lal, M. J. Hillier

Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, Canada

J. Basic Eng 93(4), 681-684 (Dec 01, 1971) (4 pages) doi:10.1115/1.3425326 History: Received January 11, 1971; Online October 27, 2010


The deformation mode of a thin tube subjected to an arbitrary time varying pressure pulse is in two phases: (i) during positive radial acceleration a zone of zero axial strain sweeps outwards from the central plane toward the ends; (ii) on deceleration to rest, the plane strain zone vanishes, the axial stress changes sign, and the stress ratio is then unconstrained. The final tube profile is essentially uniform except near the ends, and the final change in length is small.

Copyright © 1971 by ASME
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