Erosion on irregular slope surface: A full N-S equation based numerical study An Y(安翼) Liu QQ(刘青泉) 会议录名称 River Sedimentation - Proceedings of the 13th International Symposium on River Sedimentation, ISRS 2016
2017
页码 21
会议名称 13th International Symposium on River Sedimentation, ISRS 2016
会议日期 September 19, 2016 - September 22, 2016
会议地点 Stuttgart, Germany
摘要 Soil erosion by overland flowon hillslopes is one of the most crucial fundamental sediment yield processes. Generally, Saint-Venant equation based overland flow model is widely used to model this special flow, and in turn, the sheet erosion. However, it becomes more and more clear that the overland flow, which generally involves irregular micro landform, could behave different characteristics from river flow in which classical depth-averaged model suits well. The key issue is that the characteristic length of the irregular micro landform is considerable large comparing with the overland flow depth, which leads to nonuniform velocity profile in the depth direction. Thus, this paper employed full Navier-Stokes equation to study the overland flow on partially inundated irregular micro-relief and discuss the self-enhanced sheet erosion processes. © 2017 Taylor & Francis Group, London. 关键词 Erosion
Landforms
Rivers
Sedimentation
Characteristic length
Depth
averaged modeling
Non
uniform velocities
Overland flow modeling
Saint Venant equation
Sediment yields
Sheet erosions
Slope surfaces
ISBN号 9781138029453
收录类别 EI
语种 英语
文献类型 会议论文
条目标识符 http://dspace.imech.ac.cn/handle/311007/78018
专题 流固耦合系统力学重点实验室 作者单位 Institute of Mechanics, Chinese Academy of Sciences, Beijing, China 推荐引用方式 GB/T 7714
An Y,Liu QQ. Erosion on irregular slope surface: A full N-S equation based numerical study[C]River Sedimentation - Proceedings of the 13th International Symposium on River Sedimentation, ISRS 2016,2017:21.
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; Liu QQ(刘青泉)
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