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Shock and Vibration
Volume 6 (1999), Issue 3, Pages 125-132
http://dx.doi.org/10.1155/1999/650860

Dynamic Measurements of Plastic Deformation in a Water-Filled Aluminum Tube in Response to Detonation of a Small Explosives Charge

Harold Sandusky,1 Paul Chambers,1 Frank Zerilli,1 Larry Fabini,2 and William Gottwald3

1Naval Surface Warfare Center/Indian Head Division, Code 920, 10901 New Hampshire Avenue, Silver Spring, MD 20903, USA
2Naval Research Laboratory, Silver Spring, MD 20903, USA
3Naval Surface Warfare Center/Carderock Division, Silver Spring, MD 20903, USA

Received 19 January 1997; Revised 9 April 1999

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Experiments have been conducted to benchmark computer code calculations for the dynamic interaction of explosions in water with structures. Aluminum cylinders with a length slightly more than twice their diameter were oriented vertically, sealed on the bottom by a thin plastic sheet, and filled with distilled water. An explosive charge suspended in the center of the tube plastically deformed but did not rupture the wall. Tube wall velocity, displacement, and strain were directly measured. The agreement among the three sets of dynamic data and the agreement of the terminal displacement measurements with the residual deformation were excellent.