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Project Code [21/EPSRC/3733]

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Project title

Wave Breaking in Crossing Seas

Primary Funding Agency

Science Foundation Ireland

Co-Funding Organisation(s)

n/a

Lead Organisation

University College Dublin (UCD)

Lead Applicant

n/a

Project Abstract

The aim of the proposed project is to develop and implement new surface wave breaking criteria and corresponding energy dissipation parameterisations appropriate for highly directionally spread and crossing-sea conditions. Existing breakingcriteria and dissipation parameterisations are not valid in highly directionally spread conditions and become ill defined whentwo wave systems, typically a local wind-generated sea and a distant swell, cross. Based on recent work (M.L. McAllister etal. (2019) Laboratory recreation of the Draupner wave and the role of breaking in crossing seas. J. Fluid Mech. 860, 767-786), we hypothesise that breaking in crossing seas is less steepness limiting and less dissipative. We will investigate thishypothesis through a systematic large-scale experimental and numerical parameter study.

Grant Approved

�148,114

Research Hub

Climate related research

Research Theme

Achieving climate neutrality by 2050.

Start Date

01/07/2021

Initial Projected Completion Date

31/12/2023