Surge motion of an ice floe in waves: comparison of a theoretical and an experimental model

A theoretical model and an experimental model of surge motions of an ice floe due to regular waves are presented. The theoretical model is a modified version of Morrison’s equation, valid for small floating bodies. The experimental model is implemented in a wave basin at a scale 1 : 100, using a thi...

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Bibliographic Details
Published in:Annals of Glaciology
Main Authors: Meylan, M.H., Yiew, L.J., Bennetts, L.G., French, B.J., Thomas, G.A.
Format: Article in Journal/Newspaper
Language:English
Published: International Glaciological Society 2015
Subjects:
Sea-ice modelling
Luke
Giles
Annals of Glaciology
Sea ice
Online Access:http://hdl.handle.net/2440/97235
https://doi.org/10.3189/2015AoG69A646
Description
Summary:A theoretical model and an experimental model of surge motions of an ice floe due to regular waves are presented. The theoretical model is a modified version of Morrison’s equation, valid for small floating bodies. The experimental model is implemented in a wave basin at a scale 1 : 100, using a thin plastic disc to model the floe. The processed experimental data display a regime change in surge amplitude when the incident wavelength is approximately twice the floe diameter. It is shown that the theoretical model is accurate in the high-wavelength regime, but highly inaccurate in the lowwavelength regime. Michael H. Meylan, Lucas J. Yiew, Luke G. Bennetts, Benjamin J. French, Giles A. Thomas

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