Reflection and transmission of regular water waves by a thin, floating plate

Filippo Nelli, Luke Bennetts, David Skene, Jason Monty, J Lee, Mike Meylan, Alessandro Toffoli

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Measurements of the wave fields reflected and transmitted by a thin floating plastic plate are reported for regular incident waves over a range of incident periods (producing wavelengths comparable to the plate length) and steepnesses (ranging from mild to storm-like). Two different plastics are tested, with different densities and mechanical properties, and three different configurations are tested. The configurations include freely floating plates, loosely moored plates (to restrict drift), and plates with edge barriers (to restrict waves overwashing the plates). The wave fields reflected and transmitted by plates without barriers are shown to become irregular, as the incident waves become steeper, particularly for the denser plastic and the moored plate. Further, the proportion of energy transmitted by the plates without barriers is shown to decrease as the incident wave becomes steeper, and this is related to wave energy dissipation.
Original languageEnglish
Pages (from-to)209-221
Number of pages12
JournalWave Motion
Volume70
Issue numberSI
DOIs
Publication statusPublished - Apr 2017
Externally publishedYes

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