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New Internal-Wave Model in a Two-Layer Fluid
| 题名： | New Internal-Wave Model in a Two-Layer Fluid |
| 正文语种： | 英文 |
| 作者： | B.B.Zhao;R.C.Ertekin,M.ASCE;W.Y.Duan3;W.C.Webster |
| 作者单位： | Harbin Engineering Univ |
| 关键词： | Two-layer fluid; Internal solitary wave; High-level Green-Naghdi (GN) Models; Strongly dispersive and nonlinear internal waves. |
| 摘要： | To model internal waves, high-level Green-Naghdi (GN) equations that are strongly nonlinear were developed for a two-layer fluid with a rigid lid over the upper layer. The GN models were applied to two internal-solitary-wave cases: weakly dispersive and strongly dispersive. In the weakly dispersive case, the ratio between the upper and lower layers was 1:4.13. In the strongly dispersive case, the two depth ratios between the upper and lower layers were 1:24 and 10.13:1. For both the weakly and strongly dispersive test cases, the converged GN results for wave speed, wave profile, and velocity distribution agreed well with the experimental data and the solution of Euler equations, even for large-amplitude solitary waves. For the strongly nonlinear and strongly dispersive cases, the converged GN results showed better accuracy than some other strongly nonlinear models. |
| 出版日期： | 2016.3 |
| 出版年： | 2016 |
| 期刊名称： | Journal of Waterway, Port, Coastal, and Ocean Engineering |
| 卷： | Vol.142 |
| 期： | No.3 |
| 页码： | 04015022 |
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