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Experimental and numerical investigation of bed morphology in the lee of porous submerged breakwaters
Klonaris, G.T.; Metallinos, A.S.; Memos, C.D.; Galani, K.A. (2020). Experimental and numerical investigation of bed morphology in the lee of porous submerged breakwaters. Coast. Eng. 155: 103591. https://hdl.handle.net/10.1016/j.coastaleng.2019.103591
In: Coastal Engineering: An International Journal for Coastal, Harbour and Offshore Engineers. Elsevier: Amsterdam; Lausanne; New York; Oxford; Shannon; Tokyo. ISSN 0378-3839; e-ISSN 1872-7379, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 343691 [ OMA ]

Keyword
    Marine
Author keywords
    Boussinesq model; Submerged breakwaters; Coastal morphology; Laboratorymeasurements; Porous structures; Sediment transport

Authors  Top 
  • Klonaris, G.T., more
  • Metallinos, A.S.
  • Memos, C.D.
  • Galani, K.A.

Abstract
    In the present work the evolution of a sandy beach in the lee of a permeable submerged breakwater was studied both experimentally and numerically. Three-dimensional laboratory experiments were performed to investigate regular and irregular wave propagation over a porous submerged structure and the resulting bed morphology evolution down-wave of it. The tests included normal wave incidence of breaking and non-breaking, long and shorter waves. The measurements were also used to validate a compound numerical model. The basic solver relies on enhanced Boussinesq-type equations extended to simulate wave propagation over porous beds. The wave module accounts for the entire nearshore zone, from deep water to the swash zone, and it is coupled with a sediment transport module including both bed and suspended loads. Adequate agreement between measurements and model results was achieved in most cases.

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