The influence of level ice on the frequency domain response of floaters
In this paper the effect of a nearby, semi-infinite, level ice sheet on the frequency domain response of a thin, floating, rigid body is studied using a 2D model. The ice is modeled using a dynamic Euler-Bernoulli beam and the finite depth water layer is described with the Laplace equation and the l...
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ftunivhudders:oai:eprints.hud.ac.uk:33376 2023-05-15T16:41:03+02:00 The influence of level ice on the frequency domain response of floaters Keijdener, Chris de Oliveira Barbosa, Joao Manuel Metrikine, Andrei 2017-09-15 application/pdf http://eprints.hud.ac.uk/id/eprint/33376/ https://eprints.hud.ac.uk/id/eprint/33376/1/p5_HD_effect_on_barge.pdf https://doi.org/10.1016/j.coldregions.2017.09.004 en eng Elsevier https://eprints.hud.ac.uk/id/eprint/33376/1/p5_HD_effect_on_barge.pdf Keijdener, Chris, de Oliveira Barbosa, Joao Manuel and Metrikine, Andrei (2017) The influence of level ice on the frequency domain response of floaters. Cold Regions Science and Technology. ISSN 0165-232X cc_by_nc_nd_4 CC-BY-NC-ND T Technology (General) Article PeerReviewed 2017 ftunivhudders https://doi.org/10.1016/j.coldregions.2017.09.004 2022-12-09T10:19:51Z In this paper the effect of a nearby, semi-infinite, level ice sheet on the frequency domain response of a thin, floating, rigid body is studied using a 2D model. The ice is modeled using a dynamic Euler-Bernoulli beam and the finite depth water layer is described with the Laplace equation and the linearized Bernoulli equation. Eigenfunction matching is used to resolve the interface between the ice covered and open water regions. The body is excited by external loads, generating waves. The waves are partially reflected by the ice edge and these reflected waves influence the body’s response. It is this influence that this paper focuses on. Below a certain onset frequency the amplitude of the reflected waves is insignificant and consequently the body remains unaffected by the ice. This frequency is only sensitive to the ice thickness with thinner ice resulting in a higher onset frequency. Above the onset frequency the reflected waves cause quasi-standing waves between body and ice. For frequencies at which half the wavelength of the surface wave in the water is approximately an integer multiple of the gap length, the amplitude of the standing waves is greatly amplified. This can result in (anti-)resonance depending on the phasing between the reflected waves and the body’s motion. Article in Journal/Newspaper Ice Sheet University of Huddersfield Repository Laplace ENVELOPE(141.467,141.467,-66.782,-66.782) Cold Regions Science and Technology 143 112 125 |
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University of Huddersfield Repository |
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ftunivhudders |
language |
English |
topic |
T Technology (General) |
spellingShingle |
T Technology (General) Keijdener, Chris de Oliveira Barbosa, Joao Manuel Metrikine, Andrei The influence of level ice on the frequency domain response of floaters |
topic_facet |
T Technology (General) |
description |
In this paper the effect of a nearby, semi-infinite, level ice sheet on the frequency domain response of a thin, floating, rigid body is studied using a 2D model. The ice is modeled using a dynamic Euler-Bernoulli beam and the finite depth water layer is described with the Laplace equation and the linearized Bernoulli equation. Eigenfunction matching is used to resolve the interface between the ice covered and open water regions. The body is excited by external loads, generating waves. The waves are partially reflected by the ice edge and these reflected waves influence the body’s response. It is this influence that this paper focuses on. Below a certain onset frequency the amplitude of the reflected waves is insignificant and consequently the body remains unaffected by the ice. This frequency is only sensitive to the ice thickness with thinner ice resulting in a higher onset frequency. Above the onset frequency the reflected waves cause quasi-standing waves between body and ice. For frequencies at which half the wavelength of the surface wave in the water is approximately an integer multiple of the gap length, the amplitude of the standing waves is greatly amplified. This can result in (anti-)resonance depending on the phasing between the reflected waves and the body’s motion. |
format |
Article in Journal/Newspaper |
author |
Keijdener, Chris de Oliveira Barbosa, Joao Manuel Metrikine, Andrei |
author_facet |
Keijdener, Chris de Oliveira Barbosa, Joao Manuel Metrikine, Andrei |
author_sort |
Keijdener, Chris |
title |
The influence of level ice on the frequency domain response of floaters |
title_short |
The influence of level ice on the frequency domain response of floaters |
title_full |
The influence of level ice on the frequency domain response of floaters |
title_fullStr |
The influence of level ice on the frequency domain response of floaters |
title_full_unstemmed |
The influence of level ice on the frequency domain response of floaters |
title_sort |
influence of level ice on the frequency domain response of floaters |
publisher |
Elsevier |
publishDate |
2017 |
url |
http://eprints.hud.ac.uk/id/eprint/33376/ https://eprints.hud.ac.uk/id/eprint/33376/1/p5_HD_effect_on_barge.pdf https://doi.org/10.1016/j.coldregions.2017.09.004 |
long_lat |
ENVELOPE(141.467,141.467,-66.782,-66.782) |
geographic |
Laplace |
geographic_facet |
Laplace |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_relation |
https://eprints.hud.ac.uk/id/eprint/33376/1/p5_HD_effect_on_barge.pdf Keijdener, Chris, de Oliveira Barbosa, Joao Manuel and Metrikine, Andrei (2017) The influence of level ice on the frequency domain response of floaters. Cold Regions Science and Technology. ISSN 0165-232X |
op_rights |
cc_by_nc_nd_4 |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.1016/j.coldregions.2017.09.004 |
container_title |
Cold Regions Science and Technology |
container_volume |
143 |
container_start_page |
112 |
op_container_end_page |
125 |
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1766031482483113984 |