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https://hdl.handle.net/2440/136815
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Type: | Journal article |
Title: | Modelling attenuation of irregular wave fields by artificial ice floes in the laboratory |
Author: | Toffoli, A. Pitt, J.P.A. Alberello, A. Bennetts, L.G. |
Citation: | Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2022; 380(2235) |
Publisher: | The Royal Society |
Issue Date: | 2022 |
ISSN: | 1364-503X 1471-2962 |
Statement of Responsibility: | A. Toffoli, J. P. A. Pitt, A. Alberello, and L. G. Bennetts |
Abstract: | A summary is given on the utility of laboratory experiments for gaining understanding of wave attenuation in the marginal ice zone, as a complement to field observations, theory and numerical models. It is noted that most results to date are for regular incident waves, which, combined with the highly nonlinear wave-floe interaction phenomena observed and measured during experimental tests, implies that the attenuation of regular waves cannot necessarily be used to infer the attenuation of irregular waves. Two experiments are revisited in which irregular wave tests were conducted but not previously reported, one involving a single floe and the other a large number of floes, and the transmission coefficients for the irregular and regular wave tests are compared. The transmission spectra derived from the irregular wave tests agree with the regular wave data but are overpredicted by linear models due to nonlinear dissipative processes, regardless of floe configuration. This article is part of the theme issue 'Theory, modelling and observations of marginal ice zone dynamics: multidisciplinary perspectives and outlooks'. |
Keywords: | water waves wave attenuation wave–ice interaction |
Rights: | © 2022 The Author(s) Published by the Royal Society. All rights reserved. |
DOI: | 10.1098/rsta.2021.0255 |
Grant ID: | http://purl.org/au-research/grants/arc/DP200102828 http://purl.org/au-research/grants/arc/FT190100404 |
Published version: | http://dx.doi.org/10.1098/rsta.2021.0255 |
Appears in Collections: | Mathematical Sciences publications |
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