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Diffraction waves on general two-legged rectangular floating breakwaters

Masoudi, Esmaeel and Gan, Lian (2021) 'Diffraction waves on general two-legged rectangular floating breakwaters.', Ocean engineering., 235 . p. 109420.

Abstract

In this paper, hydrodynamic characteristics of general two-dimensional rectangular floating breakwaters (FBs) with two legs in water of finite depth and infinite domain subjected to sinusoidal waves are studied using a numerical panel method. A parametric study is carried out in order to quantify the effect of the leg size and the leg angle on diffraction problem, especially on the transmission and reflection coefficients. Results show that legs play an effective role in breakwater’s response to incident waves and two-legged FBs could be used for achieving higher efficiencies compared to conventional rectangular FBs. The angle parameter shows that the inverse T-type FB is the best and the Π type FB is the least good in terms of transmission coefficients. However, practical considerations might also be considered when choosing the best FB configuration for different applications.

Item Type:Article
Full text:(AM) Accepted Manuscript
Available under License - Creative Commons Attribution Non-commercial No Derivatives 4.0.
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.oceaneng.2021.109420
Publisher statement:© 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Date accepted:27 June 2021
Date deposited:28 June 2021
Date of first online publication:02 July 2021
Date first made open access:02 July 2022

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