Transformation of significant wave height and set-up due to entrained air bubbles effect in breaking waves

Hossain, Md Nur; Araki, Susumu

Ocean Modelling, 2024, 190, 102403

アクセス数:183件（2025-07-13 22:20 集計）

固定URL: https://hdl.handle.net/11094/98162

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タイトル
Transformation of significant wave height and set-up due to entrained air bubbles effect in breaking waves
著者
著者名
Hossain, Md Nur
NRID
1000080324804 1000080324804
researchmap permalink
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Scopus Author ID
7402411003 7402411003
著者名
Araki, Susumu
キーワード等
Air bubble
Dissipation model
Irregular wave
Significant wave height and set-up
Surf zone
Wave breaking
内容
Hossain M.N., Araki S. Transformation of significant wave height and set-up due to entrained air bubbles effect in breaking waves. Ocean Modelling 190, 102403 (2024); https://doi.org/10.1016/j.ocemod.2024.102403.
抄録
The transformation of wave height is of paramount significance in coastal engineering and the design of coastal structures. Considering the influence of air bubbles, this study devised an optimal dissipation model for accurately calculating changes in significant wave height (Hm0) and wave set-up for irregular waves undergoing breaking. Existing regular wave breaking models, which consider the effects of air bubbles, were adapted for direct application to irregular waves by deriving novel formulations. The proposed models leverage the probability of the fraction of broken waves. Hm0 was computed using the energy balance equation, while the wave set-up was calculated based on the momentum balance equation. A wide range of test scenarios, incorporating diverse scales (small and large) and experimental field data, was considered for validation. One of the proposed models, namely model-I (M-I), particularly demonstrated superior performance, manifesting lower error indices (P20), root-mean-square relative error (RMSRE), and Brier skill score (BSS) values in computing both Hm0 and wave set-up. Therefore, utilising M-I is strongly recommended for the precise estimation of Hm0 and set-up transformation.
出版者
Elsevier Ltd
収録物名
Ocean Modelling
巻(号)
190
ページ
102403
刊行年月
2024-08-01
言語
英語
ハンドルURL
https://hdl.handle.net/11094/98162
PISSN
14635003
関連情報 (isIdenticalTo)
DOI (出版社版)
https://doi.org/10.1016/j.ocemod.2024.102403
アクセス権
open access
権利情報
This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ
Version of Record
カテゴリ
学術雑誌論文 Journal Article