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| 长江福山倒套二维水沙数值模拟 | |
| 引用本文： | 吴挺峰,胡艳,崔广柏. 长江福山倒套二维水沙数值模拟[J]. 泥沙研究, 2009, 0(2) |
| 作者姓名： | 吴挺峰 胡艳 崔广柏 |
| 作者单位： | 1. 中国科学院,南京地理与湖泊研究所,湖泊与环境国家重点实验室,江苏,南京,210008;河海大学,水文水资源与水利工程科学国家重点实验室,江苏,南京,210098 2. 太湖流域管理局,上海,200434 3. 河海大学,水文水资源与水利工程科学国家重点实验室,江苏,南京,210098 |
| 基金项目： | 国家自然科学基金重点项目 |
| 摘 要： | 由对历年实测地形资料分析发现,福山倒套目前正处于淤积阶段,其水沙状况主要受控于上部串沟及下部串沟来水来沙.借助EFDC模型中的水动力及泥沙模块,对倒套水沙状况进行数值模拟实验,结果表明:(1)倒套内部水位降低,但变化不明显;(2)倒套内部流场流速整体下降,尤其是倒套口门处流速值减小较大;(3)倒套淤积加速,但倒套口门段较为稳定.因此,适时疏浚上部串沟是维持倒套稳定之关键. |
| 关 键 词： | 河床演变 福山倒套 EFDC模型 淤积 |
Two-dimensional sediment-flow numerical simulation in Fushan watercourse of the Yangtze River |
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| WU Ting-feng,HU Yan,CUI Guang-bai. Two-dimensional sediment-flow numerical simulation in Fushan watercourse of the Yangtze River[J]. Journal of Sediment Research, 2009, 0(2) | |
| Authors: | WU Ting-feng HU Yan CUI Guang-bai |
| Affiliation: | 1;2;1.Nanjing Institute of Geography and Limnology;Chinese Academy;Nanjing 210008;China;2.College of Hydrology and Water Resources;Hohai University;Nanjing 210098;3.Taihu Basin Authority;Ministry of Water Resources;Shanghai 200434;P.R.China |
| Abstract: | According to the analysis of the surveyed terrain data in Fushan watercourse,it was found that Fushan watercourse was in the state of siltation.The flow and sediment condition in Fushan watercourse was controlled by sediment and discharge conditions from the up-ditch and down-ditch.In this paper,EFDC model was used to simulate the flow movement and sediment transport in the Fushan watercourse.The results showed that the water level decreased slightly,the entire flow velocity in Fushan watercourse was reduce... |
| Keywords: | riverbed variation Fushan watercourse EFDC model siltation |
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