Hysteresis in Shallow Water Sloshing
Publication: Journal of Engineering Mechanics
Volume 133, Issue 10
Abstract
Hysteresis in sloshing of shallow water in horizontally excited tanks is explored experimentally. In particular the wave response to relatively large shaking amplitude near the resonant frequency is investigated for two tank configurations: a tank with horizontal bottom and vertical walls, and a tank with horizontal bottom and sloping beaches. The hysteresis behavior is clearly observed within a narrow frequency range around the shifted resonant frequency. The wave response is either in the form of smooth nonbroken waves or in the form of violent breaking waves for exactly the same set of parameters depending only on how the target oscillation frequency is tuned: i.e., whether the forcing frequency of the prior state is higher or lower than the target frequency. The consequence is that it is not possible to define a unique value for the jump frequency as it depends on the direction of the frequency tuning.
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Acknowledgments
Assistance provided by Dr. J. Yu and Dr. T. Wakahara with the laboratory experiments is acknowledged. Discussions with Professor D. Reed at the University of Washington are appreciated. Dr. S. Masri is thanked for arranging the use of the shaking table facility at the University of Southern California. The support of the United States National Science Foundation (Grant Nos. NSFCMS-9301577 and NSFCMS-0245206) and the Research Fund of the University of Iceland for this study are gratefully acknowledged.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 133 • Issue 10 • October 2007
Pages: 1093 - 1100
Copyright
© 2007 American Society of Civil Engineers.
History
Received: May 18, 2006
Accepted: Nov 7, 2006
Published online: Oct 1, 2007
Published in print: Oct 2007
Notes
Note. Associate Editor: Nikolaos D. Katopodes
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