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Representative transmission coefficient for evaluating the wave attenuation performance of 3D floating breakwaters in regular and irregular waves

Citation

Nguyen, HP and Park, JC and Han, M and Wang, CM and Abdussamie, N and Penesis, I and Howe, D, Representative transmission coefficient for evaluating the wave attenuation performance of 3D floating breakwaters in regular and irregular waves, Journal of Marine Science and Engineering, 9, (4) Article 388. ISSN 2077-1312 (2021) [Refereed Article]


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Copyright 2021 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

DOI: doi:10.3390/jmse9040388

Abstract

Wave attenuation performance is the prime consideration when designing any floating breakwater. For a 2D hydrodynamic analysis of a floating breakwater, the wave attenuation performance is evaluated by the transmission coefficient, which is defined as the ratio between the transmitted wave height and the incident wave height. For a 3D breakwater, some researchers still adopted this evaluation approach with the transmitted wave height taken at a surface point, while others used the mean transmission coefficient within a surface area. This paper aims to first examine the rationality of these two evaluation approaches via verified numerical simulations of 3D heave-only floating breakwaters in regular and irregular waves. A new index—a representative transmission coefficient—is then presented for one to easily compare the wave attenuation performances of different 3D floating breakwater designs

Item Details

Item Type:Refereed Article
Keywords:floating breakwater, wave attenuation performance, transmission coefficient, regular wave, irregular wave
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Ocean engineering
Objective Division:Environmental Management
Objective Group:Marine systems and management
Objective Field:Marine systems and management not elsewhere classified
UTAS Author:Abdussamie, N (Dr Nagi Abdussamie)
UTAS Author:Penesis, I (Professor Irene Penesis)
UTAS Author:Howe, D (Dr Damon Howe)
ID Code:146367
Year Published:2021
Web of Science® Times Cited:4
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2021-09-01
Last Modified:2021-10-26
Downloads:3 View Download Statistics

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