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Upstream internal solitons generated by moving disturbances

Zhu, Jinlin and Wu, T. Yaotsu and Yates, George T. (1988) Upstream internal solitons generated by moving disturbances. In: Frontiers of Fluid Mechanics. Elsevier , New York, NY, pp. 517-522. ISBN 9780080362328.

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Here we study the phenomenon of internal solitons generated periodically by a two-dimensional disturbance moving through a stratified fluid with a constant transcritical velocity. Experimentally, with a topography moving along the floor of a fluid layer as forcing disturbance, we found that every so often, a new internal solitary wave was generated to propagate ahead of the disturbance, forming in time a procession of upstream-moving solitons. The amplitude and period of generation of the solitons depend on the Froude number, the density stratification and forcing distribution. Theoretical predictions are made numerically based on the inhomogeneous Boussinesq model (IB) and the forced KdV model (IKdV). Broad agreement was found between theory and experiment.

Item Type:Book Section
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Additional Information:© 1988 Pergamon Press plc/Peking University Press. This work was sponsored by the U.S. Office of Naval Research and the National Science Foundation.
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Office of Naval Research (ONR)UNSPECIFIED
Record Number:CaltechAUTHORS:20200226-133731284
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Official Citation:Jinlin Zhu, T. Yaotsu Wu, George T. Yates, UPSTREAM INTERNAL SOLITONS GENERATED BY MOVING DISTURBANCES. Editor(s): Shen Yuan, Frontiers of Fluid Mechanics, Pergamon, 1988, Pages 517-522, ISBN 9780080362328,
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101584
Deposited By: George Porter
Deposited On:26 Feb 2020 23:40
Last Modified:16 Nov 2021 18:04

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