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MS Plan A Defense: Using Nonhydrostatic XBeach to Simulate Wave Transformations in Fringing Reef Environment
Jonathan Chase
Master’s Student
Department of Ocean and Resources Engineering
University of Hawai’i at Mānoa
**This defense will be held both in person (POST 723) and over Zoom**
Meeting ID: 947 3961 2246
Passcode: ORE
https://hawaii.zoom.us/j/94739612246
The scope of this study is to assess the feasibility and limitations of using the Nonhydrostatic version of XBeach (NonhXB, a two-dimensional (2D), phase resolved, depth integrated numerical model) to study the effects of nearshore wave transformations in a fringing reef environment. This study focused on finding the optimal grid size to simulate the breaker zone characteristics in a fringing reef environment by comparing NonhXB results alongside a dataset from a large scale wave flume test. The purpose of this study is to recommend a set of parameters which can be used to quantify the probability of wave breaking and a reasonable estimate of the breaker zone width; these parameters include grid resolution, breaker steepness parameter, reform steepness parameter and eddy viscosity.