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Wave breaking macrofeatures on a submerged rubble mound breakwater

TitleWave breaking macrofeatures on a submerged rubble mound breakwater
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2008
AuthorsCalabrese, M., Buccino M., and Pasanisi F.
JournalJournal of Hydro-Environment Research
Volume1
Issue3-4
Pagination216-225
Date PublishedJan-04-2008
ISSN15706443
Keywordsbreakwater, Breakwaters, experimental study, geometry, Mechanical permeability, Morphology, parameterization, permeability, submerged body, Water wave effects, Wave breaking, wave height, Wave profile, Wave rupture, Wave structure interaction, wave-structure interaction
Abstract

Results of an extensive experimental study on the interaction between waves and submerged barriers are presented. In particular, the present paper deals with identification of breaking conditions and morphological description of breaker types occurring on a submerged rubble mound breakwater. Barriers with varying geometry and permeability were used for tests. Video data were collected and analyzed and, in case of breaking, different classes and subclasses of breaker types were described and classified, considering: (a) the features of the incipient mechanism of wave rupture, (b) the shape of wave profile at breaking and (c) the evolution of breaker travelling above and leeward of the barrier. The breaker index, i.e. wave height to crest freeboard ratio at incipient breaking was studied as a function of the structure layout and wave parameters; experimental results were found to reasonably agree with Goda and Morinobu (1998) findings and a best-fit expression for scale parameter in Goda breaking formula was derived. A first parameterization of breaker types was then proposed, considering both wave and structure characteristics, described by appropriate non-dimensional numbers. © 2008.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-41849121198&doi=10.1016%2fj.jher.2007.11.003&partnerID=40&md5=e23c2a27d909a650bd977bc469c4be64
DOI10.1016/j.jher.2007.11.003
Short TitleJournal of Hydro-environment Research
Citation KeyCalabrese2008216