New 2D laboratory experiments on wave overtopping at vertical walls under impulsive and non-impulsive conditions

IF 4.2 2区工程技术 Q1 ENGINEERING, CIVIL

Coastal Engineering Pub Date : 2024-12-18 DOI:10.1016/j.coastaleng.2024.104689

Claudia Cecioni , Yuri Pepi , Leopoldo Franco

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Abstract

This paper describes 2D physical model study on wave overtopping at vertical coastal structures. Results of two experimental campaigns are presented, where different wave and geometrical parameters are considered. Wide ranges of relative water depth at the toe of the structure and relative crest freeboard are explored, considering two foreshore slopes in front of the vertical wall. Wave–wall interactions both for pulsating and impulsive regime are tested. The wave overtopping time series measurement allows to analyze not only mean overtopping discharges but also individual overtopping volumes. Single overtopping volumes distribution is investigated relating it to geometrical and hydraulic parameters.

The present experimental analysis is coherent with the literature, in the already explored range of wave and geometrical parameters of the structure; moreover, it extends the previous findings, providing two main outcomes: (i) new mean wave overtopping measurements for a wider ranges of relative water depth and relative freeboards; (ii) new individual wave overtopping volumes measurements at vertical walls, specifically under impulsive conditions. New insights on the mean overtopping discharge and on the probability distribution of individual overtopping volumes are provided.

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来源期刊

Coastal Engineering 工程技术-工程：大洋

CiteScore

9.20

自引率

13.60%

发文量

审稿时长

3.5 months

期刊介绍： Coastal Engineering is an international medium for coastal engineers and scientists. Combining practical applications with modern technological and scientific approaches, such as mathematical and numerical modelling, laboratory and field observations and experiments, it publishes fundamental studies as well as case studies on the following aspects of coastal, harbour and offshore engineering: waves, currents and sediment transport; coastal, estuarine and offshore morphology; technical and functional design of coastal and harbour structures; morphological and environmental impact of coastal, harbour and offshore structures.