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http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43683
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| 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
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| Issue Date: | 2017-10-24T08:39:43Z
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| 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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