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Type: Journal article
Title: Wave-induced collisions of thin floating disks
Author: Yiew, L.
Bennetts, L.
Meylan, M.
Thomas, G.
French, B.
Citation: Physics of Fluids, 2017; 29(12):127102-1-127102-13
Publisher: AIP Publishing
Issue Date: 2017
ISSN: 1070-6631
Statement of
L. J. Yiew, a, L. G. Bennetts, M. H. Meylan, G. A. Thomas, and B. J. French
Abstract: Collisions between two thin floating disks forced by regular water waves are studied for a range of wave amplitudes and lengths, using laboratory wave basin experiments and a mathematical model. Three collision regimes are identified from the experiments in terms of collision frequency and strength, and the collisions are shown to be caused by drift for short incident wavelengths and relative surge motion between the disks for longer incident waves. The model is based on slope-sliding theory for the wave-induced disk motions and rigid-body collisions. It is shown to predict collision frequencies and velocities accurately for intermediate-long incident wavelengths. Incorporating drift and wave scattering forces into the model is shown to capture the collision behaviours for short incident wavelengths.
Description: Published online 14 December 2017
Rights: Published by AIP Publishing
DOI: 10.1063/1.5003310
Grant ID: ARC
Appears in Collections:Aurora harvest 3
Mathematical Sciences publications

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