INFLUENCE FACTORS FOR CREST WIDTH, ROUGHNESS AND WAVE PERIOD ON OVERTOPPING OF RUBBLE MOUND STRUCTURES

Koen Van Doorslaer; Mads Røge Eldrup; Thomas Lykke Andersen; Jentsje van der Meer

doi:10.9753/icce.v37.structures.38

No. 37 (2022), Coastal Structures

No. 37 (2022)

INFLUENCE FACTORS FOR CREST WIDTH, ROUGHNESS AND WAVE PERIOD ON OVERTOPPING OF RUBBLE MOUND STRUCTURES

Coastal Structures

Published 2023-09-01

Koen Van Doorslaer
Mads Røge Eldrup
Thomas Lykke Andersen
Jentsje van der Meer

Koen Van Doorslaer

Mads Røge Eldrup

Thomas Lykke Andersen

Jentsje van der Meer

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INFLUENCE FACTORS FOR CREST WIDTH, ROUGHNESS AND WAVE PERIOD ON OVERTOPPING OF RUBBLE MOUND STRUCTURES. (2023). Coastal Engineering Proceedings, 37, structures.38. https://doi.org/10.9753/icce.v37.structures.38

Abstract

New data was collected in the wave flumes of Ghent University and Aalborg University on wave overtopping discharges over rubble mound structures, focusing on the influence of (large) crest width and surface roughness in combination with wave period. Combining these new data with existing data, analysis has led to the improvement of the guidance for wave overtopping prediction. The data and full analysis are presented in Eldrup et al. (2022). The present extended abstract adds a comparison of this improved guidance to the Neural Network prediction by Formentin et al. (2017), and to the EurOtop (2018) prediction.

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References

Besley (1999): Wave overtopping of seawalls, design and assessment manual. R&D Technical Report W178.

Bruce, van der Meer, Franco, Pearson (2009): Over-topping performance of different armour units for rubble mound breakwaters. Coastal Engineering, 56(2), 166–179

Eldrup, Lykke Andersen, Van Doorslaer, van der Meer (2022): Improved guidance on roughness and crest width in overtopping of rubble mound structures along EurOtop, Submitted to Coastal Engineering, Elsevier.

EurOtop, (2018): Manual on wave overtopping of sea defences and related structures. An overtopping manual largely based on European research, but for worldwide application.

Formentin, Zanuttigh, van der Meer, (2017): A Neural Network tool for predicting wave reflection, overtopping and transmission. Coastal Engineering Journal, 59(1)

This work is licensed under a Creative Commons Attribution 4.0 International License.

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INFLUENCE FACTORS FOR CREST WIDTH, ROUGHNESS AND WAVE PERIOD ON OVERTOPPING OF RUBBLE MOUND STRUCTURES

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