Waves propagating along a channel with ice cover

Korobkin, Alexander A. ORCID: https://orcid.org/0000-0003-3605-8450, Khabakhpasheva, Tatyana I. ORCID: https://orcid.org/0000-0003-4058-0508 and Papin, Alexander A. (2014) Waves propagating along a channel with ice cover. European Journal of Mechanics - B/Fluids, 47. pp. 166-175. ISSN 0997-7546

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Linear progressive waves in a channel covered with ice sheet are studied. The channel is of rectangular cross section. The ice sheet is clamped to the walls of the channel. The thickness of the ice plate is constant. Deflections of the ice sheet are described by the linear elastic plate equation. The hydroelastic waves in the channel are combinations of waves propagating along the channel and sloshing waves. The problem is formulated with respect to the wave profiles across the channel. The problem is solved by the normal mode method for a channel of finite depth and by using the shallow water approximation for a channel of small depth. The dispersion relations of the hydroelastic waves and the characteristics of these waves are determined. It is shown that the shallow water approximation predicts well the dispersion relations for long waves. The dispersion relation for the wave, which does not oscillate across the channel, is well approximated by the corresponding dispersion relation of one-dimensional hydroelastic waves in an unbounded ice sheet. The wave profiles across the channel and the distributions of strains in the ice sheet are investigated. It is shown that the strains are maximum at the walls for long waves and at the centreline of the channel for short waves. The bending stresses across the channel are higher than the stresses along the channel for the conditions of the present study.

Item Type: Article
Uncontrolled Keywords: channel,clamped edges,hydroelastic waves,ice sheet,physics and astronomy(all),mathematical physics ,/dk/atira/pure/subjectarea/asjc/3100
Faculty \ School: Faculty of Science > School of Mathematics
UEA Research Groups: Faculty of Science > Research Groups > Centre for Interdisciplinary Mathematical Research (former - to 2017)
Faculty of Science > Research Groups > Fluid and Solid Mechanics
Related URLs:
Depositing User: Pure Connector
Date Deposited: 23 Jun 2016 23:11
Last Modified: 04 Sep 2023 00:31
URI: https://ueaeprints.uea.ac.uk/id/eprint/59545
DOI: 10.1016/j.euromechflu.2014.01.007

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