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A new solver for granular avalanche simulation: Indoor experiment verification and field scale case study
Wang XL(王晓亮); Li JC(李家春); Li, JC (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.; Li, JC (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
2017-12-01
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷号60期号:12
ISSN1674-7348
摘要A new solver based on the high-resolution scheme with novel treatments of source terms and interface capture for the Savage-Hutter model is developed to simulate granular avalanche flows. The capability to simulate flow spread and deposit processes is verified through indoor experiments of a two-dimensional granular avalanche. Parameter studies show that reduction in bed friction enhances runout efficiency, and that lower earth pressure restraints enlarge the deposit spread. The April 9, 2000, Yigong avalanche in Tibet, China, is simulated as a case study by this new solver. The predicted results, including evolution process, deposit spread, and hazard impacts, generally agree with site observations. It is concluded that the new solver for the Savage-Hutter equation provides a comprehensive software platform for granular avalanche simulation at both experimental and field scales. In particular, the solver can be a valuable tool for providing necessary information for hazard forecasts, disaster mitigation, and countermeasure decisions in mountainous areas.
关键词Avalanche Landslide Waf Tvd
DOI10.1007/s11433-017-9093-y
收录类别SCI ; EI ; CSCD
语种英语
WOS记录号WOS:000414563000009
关键词[WOS]DEBRIS FLOWS ; MODEL ; MASSES ; LANDSLIDES ; TOPOGRAPHY ; CHANNELS ; SURFACE ; ROE
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
项目资助者National Natural Science Foundation of China(11602278 ; Strategic Priority Research Program of Chinese Academy of Sciences(XDB22040203) ; LA/IFS Foundation for Young Scientists ; 11432015)
课题组名称LMFS水环境流体力学(LEM)
论文分区二类/Q1
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/71945
专题流固耦合系统力学重点实验室
通讯作者Li, JC (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.; Li, JC (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
推荐引用方式
GB/T 7714
Wang XL,Li JC,Li, JC ,et al. A new solver for granular avalanche simulation: Indoor experiment verification and field scale case study[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2017,60(12).
APA 王晓亮,李家春,Li, JC ,&Li, JC .(2017).A new solver for granular avalanche simulation: Indoor experiment verification and field scale case study.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,60(12).
MLA 王晓亮,et al."A new solver for granular avalanche simulation: Indoor experiment verification and field scale case study".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 60.12(2017).
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