Experimental Study On The Effect Of The Wavelength On Wave Overtopping Over Recurved Walls

Authors

  • FATEMEH HAJIVALIE Department of Civil Engineering, Ghent University, Belgium
  • MAXIMILIAN STREICHER Department of Civil Engineering, Ghent University, Belgium
  • YURI PEPI Department of Civil Engineering, Ghent University, Belgium
  • TON VAN DER PLAS TQP Consult BV, Netherlands
  • BERT VAN DEN BERG Witteveen+Bos, Netherlands
  • PETER TROCH Department of Civil Engineering, Ghent University, Belgium

DOI:

https://doi.org/10.59490/coastlab.2024.704

Keywords:

Wave Overtopping, Relative Freeboard, Wave Period, Non-Dimensional Parameter, Prediction Formula

Abstract

Wave overtopping phenomenon on vertical breakwaters is influenced by various physical parameters, encompassing wave height, period, water depth at the breakwater, breakwater freeboard, and foreshore steepness. Existing equations for estimating overtopping rates predominantly rely on the relative freeboard (Rc/Hm0) as the key parameter. This study highlights a significant deviation from this conventional approach when utilizing a recurved wall instead of a plain vertical wall, emphasizing the necessity to consider additional parameters, particularly wave period. In our quest for enhanced accuracy in estimating wave overtopping over recurved breakwaters, we have used F'=Rc/ (Hm02 Lp)1/3, as a replacement for the conventional relative freeboard. Comparative analyses reveal that the proposed formulas for both impulsive and non-impulsive waves exhibit superior accuracy compared to existing formulas. Nevertheless, it is noteworthy that, for larger relative freeboards, a robust formula for estimating wave overtopping remains elusive. 

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Published

2024-04-30

Conference Proceedings Volume

Section

Conference papers

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