A two-layer model for simulating landslide dam over mobile river beds
文献类型：期刊论文
| 作者 | Liu, Wei1,2 ; He, Siming1,2,3
|
| 刊名 | LANDSLIDES
 |
| 出版日期 | 2016-06-01 |
| 卷号 | 13期号:3页码:565-576 |
| 关键词 | Two-layer model Landslide dam Erosion Excess pore-water pressure Roe-type scheme |
| ISSN号 | 1612-510X |
| 通讯作者 | Siming He |
| 英文摘要 | Landslides can block mountainous streams and form landslide dams to threaten downstream residents. It is necessary for reliable methods to predict landslide dam dynamic for risk assessment. In this paper, we present a two-layer model of Savage-Hutter type to simulate the dynamic evolution of landslide dam which take account of the erosion of river bed. The two-layer shallow water system is derived by depth-averaging the incompressible Navier-Stokes equations with the hydrostatic assumption integrated of the erosion model of river bed. The effect of excess pore water pressure is considered in the erosion process. A high order accuracy scheme based on Roe-type solver is used to discretize the present model. Finally, several numerical tests are performed to verify the stability of the algorithm and reliability of the model. Numerical results indicate that the erosion effect enhances the huge destructiveness of landslide and increase the possibility of river blocked by landslides. The impact of excess pore water pressure on erosion process should be considered. |
| WOS标题词 | Science & Technology ; Technology ; Physical Sciences |
| 学科主题 | 流体力学 ; 多相流体力学 |
| 类目[WOS] | Engineering, Geological ; Geosciences, Multidisciplinary |
| 研究领域[WOS] | Engineering ; Geology |
| 关键词[WOS] | SHALLOW-WATER EQUATIONS ; CATASTROPHIC LANDSLIDES ; NUMERICAL-SOLUTION ; GRANULAR MASSES ; DEBRIS FLOWS ; AVALANCHES ; TOPOGRAPHY ; FAILURE ; SOLVERS ; MOTION |
| 收录类别 | SCI |
| 原文出处 | http://link.springer.com/article/10.1007/s10346-015-0585-2# |
| 语种 | 英语 |
| WOS记录号 | WOS:000376618300010 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/10955]  |
| 专题 | 成都山地灾害与环境研究所_山地灾害与地表过程重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Mt Hazards & Surface Proc, Chengdu, Peoples R China 2.Chinese Acad Sci, Inst Mt Hazards & Environm IMHE, 9,Block 4,Renminnanlu Rd, Chengdu, Peoples R China 3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Chengdu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Wei,He, Siming. A two-layer model for simulating landslide dam over mobile river beds[J]. LANDSLIDES,2016,13(3):565-576. |
| APA | Liu, Wei,&He, Siming.(2016).A two-layer model for simulating landslide dam over mobile river beds.LANDSLIDES,13(3),565-576. |
| MLA | Liu, Wei,et al."A two-layer model for simulating landslide dam over mobile river beds".LANDSLIDES 13.3(2016):565-576. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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