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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43681

Title: An efficient curvilinear non-hydrostatic model for simulating dispersive water wave motions
Authors: Doo Yong Choi;Chin H. Wu;Chih-Chieh Young
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Date: 2011-07
Issue Date: 2017-10-24T08:34:22Z
Publisher: View issue TOC
Abstract: Abstract:An efficient curvilinear non-hydrostatic free surface model is developed to simulate surface water waves in horizontally curved boundaries. The generalized curvilinear governing equations are solved by a fractional step method on a rectangular transformed domain. Of importance is to employ a higher order (either quadratic or cubic spline function) integral method for the top-layer non-hydrostatic pressure under a staggered grid framework. Model accuracy and efficiency, in terms of required vertical layers, are critically examined on a linear progressive wave case. The model is then applied to simulate waves propagating in a canal with variable widths, cnoidal wave runup around a circular cylinder, and three-dimensional wave transformation in a circular channel. Overall the results show that the curvilinear non-hydrostatic model using a few, e.g. 2–4, vertical layers is capable of simulating wave dispersion, diffraction, and reflection due to curved sidewalls. Copyright © 2010 John Wiley & Sons, Ltd.
Relation: 66(9) pp.1093-1115
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43681
Appears in Collections:[海洋環境資訊系] 期刊論文

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