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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43683

Title: A sigma coordinate non-hydrostatic model with embedded Boussinesq-type like equations for modeling deep-water waves
Authors: Chih-Chieh Young;Chin H. Wu
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Date: 2010-08
Issue Date: 2017-10-24T08:39:43Z
Publisher: View issue TOC
Abstract: Abstract:A σ-coordinate non-hydrostatic model, combined with the embedded Boussinesq-type-like equations, a reference velocity, and an adapted top-layer control, is developed to study the evolution of deep-water waves. The advantage of using the Boussinesq-type-like equations with the reference velocity is to provide an analytical-based non-hydrostatic pressure distribution at the top-layer and to optimize wave dispersion property. The σ-based non-hydrostatic model naturally tackles the so-called overshooting issue in the case of non-linear steep waves. Efficiency and accuracy of this non-hydrostatic model in terms of wave dispersion and nonlinearity are critically examined. Overall results show that the newly developed model using a few layers is capable of resolving the evolution of non-linear deep-water wave groups. Copyright © 2009 John Wiley & Sons, Ltd.
Relation: 63(12) pp.1448-1470
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43683
Appears in Collections:[海洋環境資訊系] 期刊論文

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