| 窄缝法在河口区悬沙输运数值计算中的应用 |
| |
| 引用本文： | 孙琪,孙效功,李瑞杰.窄缝法在河口区悬沙输运数值计算中的应用[J].海洋与湖沼,2001,32(3):296-301. |
| |
| 作者姓名： | 孙琪 孙效功 李瑞杰 |
| |
| 作者单位： | 青岛海洋大学海洋地球科学学院 |
| |
| 基金项目： | 国家自然科学基金!项目，4 0 0 760 2 6号 |
| |
| 摘 要： | 窄缝法作为动边界问题的一种处理方法，已被用于潮流及污染物扩散的数值模拟中，并取得了较好的效果，本文将窄缝法应用于悬沙输运数值计算中，推导出了考虑窄缝时的泥沙输运方程，建立了一种具有动边界功能的泥沙输运模型，计算结果与实测值吻合较好，表明该模型在模拟河口区悬沙输运方面是正确可行的。
|
| 关 键 词： | 窄缝法 悬沙输运 数值模拟 河口 潮流 动边界 污染物扩散 |
| 收稿时间： | 2000/1/22 0:00:00 |
| 修稿时间： | 2000年1月22日 |
APPLICATION OF THE SLOT METHOD IN NUMERICAL MODELING OF SUSPENDED SEDIMENT TRANSPORT IN ESTUARIES |
| |
| SUN Qi,SUN Xiao Gong and LI Rui Jie.APPLICATION OF THE SLOT METHOD IN NUMERICAL MODELING OF SUSPENDED SEDIMENT TRANSPORT IN ESTUARIES[J].Oceanologia Et Limnologia Sinica,2001,32(3):296-301. |
| |
| Authors: | SUN Qi SUN Xiao Gong and LI Rui Jie |
| |
| Institution: | College of Marine Geosciences, Ocean University of Qingdao, Qingdao, 266003;College of Marine Geosciences, Ocean University of Qingdao, Qingdao, 266003;College of Marine Geosciences, Ocean University of Qingdao, Qingdao, 266003 |
| |
| Abstract: | The slot method is effective in dealing with the problem of moving boundary. It has been applied to numerical simulation of tidal motion and pollutant diffusion. In this paper, the method is applied to compute the transport of suspended sediment. A new sand transport equation which can simulate the moving boundary is founded using the slot method. The computational results are in good agreement with in situ data. The main conclusions are as follows:
1. The slot method can be used to simulate the trend of suspended sediment transport in estuaries.
2. The slot coefficient ε affects the accuracy of the computational result. In theory, the smaller the slot coefficient ε is, the more accurate the result is. However, if ε is too small, it may lead to overflow.
3. Z0 does not affects the accuracy of the computational result much. However, if it is not properly chosen, it may lead to overflow.
4. The slot method is very effective and should be applied to three-dimensional numerical modelling. |
| |
| Keywords: | Slot method Transportation of the suspended sediment Numerical simulation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《海洋与湖沼》浏览原始摘要信息 |
| 点击此处可从《海洋与湖沼》下载免费的PDF全文 |
