In this paper, Taylor’s floating air-backed plate (ABP) model is extended to the case of a submerged water-backed plate (WBP) within the acoustic range. The solution of the WBP is cast into the same format as that of the ABP with a modified fluid-structure interaction (FSI) parameter, which allows a unified analysis of the ABP and WBP using the same set of formulas. The influence of back conditions on fluid and structural dynamics, including fluid cavitation, is systematically investigated. Asymptotic limits are mathematically identified and physically interpolated. Results show that the WBP experiences lower equivalent pressure loading, reduced structural response, and hence lower peak momentum gaining. The time to reach peak momentum is shorter for the WBP than for the ABP. Cavitation is found to be almost inevitable for the ABP, while relevant to the WBP only for a small range of the FSI parameter. Implications to shock response of submerged structures are briefly discussed.
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e-mail: zhankel@princeton.edu
e-mail: yyoung@princeton.edu
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July 2008
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Transient Response of Submerged Plates Subject to Underwater Shock Loading: An Analytical Perspective
Zhanke Liu,
Zhanke Liu
Department of Civil and Environmental Engineering,
e-mail: zhankel@princeton.edu
Princeton University
, Princeton, NJ 08544
Search for other works by this author on:
Yin L. Young
Yin L. Young
Department of Civil and Environmental Engineering,
e-mail: yyoung@princeton.edu
Princeton University
, Princeton, NJ 08544
Search for other works by this author on:
Zhanke Liu
Department of Civil and Environmental Engineering,
Princeton University
, Princeton, NJ 08544e-mail: zhankel@princeton.edu
Yin L. Young
Department of Civil and Environmental Engineering,
Princeton University
, Princeton, NJ 08544e-mail: yyoung@princeton.edu
J. Appl. Mech. Jul 2008, 75(4): 044504 (5 pages)
Published Online: May 19, 2008
Article history
Received:
May 29, 2007
Revised:
September 24, 2007
Published:
May 19, 2008
Citation
Liu, Z., and Young, Y. L. (May 19, 2008). "Transient Response of Submerged Plates Subject to Underwater Shock Loading: An Analytical Perspective." ASME. J. Appl. Mech. July 2008; 75(4): 044504. https://doi.org/10.1115/1.2871129
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