A study on distribution parameters for individual wave overtopping volume at vertical walls

Li Xiaoliang; Huang Guibiao

doi:10.12284/hyxb20250113

Volume 47 Issue 12

Dec. 2025

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Li Xiaoliang，Huang Guibiao. A study on distribution parameters for individual wave overtopping volume at vertical walls[J]. Haiyang Xuebao，2025, 47(12)：84–93 doi: 10.12284/hyxb20250113

Citation:

Li Xiaoliang，Huang Guibiao. A study on distribution parameters for individual wave overtopping volume at vertical walls[J]. Haiyang Xuebao，2025, 47(12)：84–93 doi: 10.12284/hyxb20250113

Citation:

Li Xiaoliang，Huang Guibiao. A study on distribution parameters for individual wave overtopping volume at vertical walls[J]. Haiyang Xuebao，2025, 47(12)：84–93 doi: 10.12284/hyxb20250113

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A study on distribution parameters for individual wave overtopping volume at vertical walls

doi: 10.12284/hyxb20250113

School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China

Received Date: 2025-06-08
Rev Recd Date: 2025-11-17

Available Online: 2025-11-27

Publish Date: 2025-12-31

Abstract

Abstract

Estimating the maximum individual wave overtopping discharge based on the Weibull distribution crucially depends on the accurate determination of its parameters—namely, the shape parameter and the overtopping percentage. Existing research has primarily focused on deep and intermediate water depth conditions, with a lack of systematic analysis on the characteristics of these distribution parameters within the surf zone. This study extends the experimental range of relative water depths to 0.9−4, covering conditions in the surf zone, intermediate depths, and deep water. It specifically investigates the influence of four dimensionless variables—relative water depth, relative crest freeboard, wave steepness, and seabed slope—on the distribution parameters, and establishes a parameter estimation method applicable to these extended conditions. Experimental results indicate that within the range covering the surf zone, both the shape parameter and the overtopping percentage exhibit a unimodal characteristic, resembling the form of solitary waves, as the relative water depth changes. Based on this observation, the study draws on the solitary-wave-like functional form to formulate calculation formulas for the distribution parameters, thereby enabling the prediction of the maximum individual wave overtopping discharge. Compared to existing models, the proposed method demonstrates lower prediction errors across the experimental range, with its advantages being particularly significant in the shallow water regions of the surf zone.
- vertical wall,
- individual overtopping volume,
- relative water depth,
- shape factor,
- overtopping percentage

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References(19)

References

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