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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43687

Title: Efficient non-hydrostatic modeling for free surface waves in deep and shallow water
Authors: Chin H. Wu;Chih-Chieh Young
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Date: 2009
Issue Date: 2017-10-24T08:47:18Z
Publisher: ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering
Abstract: Abstract:A novel approach that introduces the Boussinesq-type like equations into an implicit non-hydrostatic model, free of irrotational flow assumption, is presented. The basic concept is to obtain an analytical-based form of pressure distribution at the top layer by matching the reference velocity under a virtual grid system with the one under a non-hydrostatic model grid system. Locations of the references velocities are tuned to optimize the linear wave dispersion property in the model. Efficiency of this non-hydrostatic model with Boussinesq-type equations (NHM-BTE) is critically examined through several free-surface wave examples. Overall model results show that NHM-BTE using only a few vertical layers (i.e., two ∼ four) is capable of accurately simulating highly dispersive wave motion and wave transformation over irregular bathymetry.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43687
Appears in Collections:[海洋環境資訊系] 演講及研討會

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