Breaking Antidunes: Cyclic Behavior due to Hysteresis
Publication: Journal of Hydraulic Engineering
Volume 132, Issue 6
Abstract
The cyclic behavior of breaking antidunes (growth, breaking of surface wave, obliteration) is investigated by use of a numerical model. The model includes the transition between supercritical and transcritical flow. As the antidune grows the flow becomes transcritical and a hydraulic jump is formed upstream of the antidune crest. The relation between growth of the antidune and supercritical flow and between decay and transcritical flow is shown, and the significance of hysteresis in the flow conditions is investigated.
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References
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© 2006 ASCE.
History
Received: Feb 16, 2005
Accepted: Jun 23, 2005
Published online: Jun 1, 2006
Published in print: Jun 2006
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