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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43690

Title: An efficient and accurate non-hydrostatic model with embedded Boussinesq-type like equations for surface wave modeling
Authors: Chih-Chieh Young;Chin H. W
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Date: 2009-05
Issue Date: 2017-10-24T08:52:08Z
Publisher: View issue TOC
Abstract: Abstract:A novel approach that embeds the Boussinesq-type like equations into an implicit non-hydrostatic model (NHM) is developed. Instead of using an integration approach, Boussinesq-type like equations with a reference velocity under a virtual grid system are introduced to analytically obtain an analytical form of pressure distribution at the top layer. To determine the size of vertical layers in the model, a top-layer control technique is proposed and the reference location is employed to optimize linear wave dispersion property. The efficiency and accuracy of this NHM with Boussinesq-type like equations (NHM-BTE) are critically examined through four free-surface wave examples. Overall model results show that NHM-BTE using only two vertical layers is capable of accurately simulating highly dispersive wave motion and wave transformation over irregular bathymetry.
Relation: 60(10) pp. 27-53
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43690
Appears in Collections:[海洋環境資訊系] 期刊論文

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