| The motion mechanism of a boulder transported by landslide | |
Shi CQ(石传奇)1,2 ; Jiao, Jiajun3; Sun, Yunhui3,4; Wang, Xiaoliang3; Liu, Qingquan3; Liu, Haoran1
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| 通讯作者 | Liu, Haoran([email protected]) |
| 发表期刊 | PHYSICS OF FLUIDS
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| 2024-12-01 | |
| 卷号 | 36期号:12页码:12 |
| ISSN | 1070-6631 |
| 摘要 | Various soil-rock mixed landslides occur in the natural environment. Carried along in the slide, boulders will eventually come to rest. The origin of boulder motion provides crucial constraints for inferring geological events. To overcome the challenges posed by the limited visibility within landslides and the subsequent difficulty in observing boulder motion, we propose a novel device to measure three-axis acceleration and angular velocity using Inertial Measurement Unit (IMU) technology. By comparing with the traditional high-speed camera, the efficacy of the IMU sphere is validated. In the study of boulder movements within landslides, we employ the IMU sphere to characterize boulders. Through experiments varying two key parameters-the initial position of the IMU sphere and the mass of fine particles-this study identifies three distinct final deposition states of the IMU sphere: separate, partially submerged, and completely submerged. By analyzing the potential and kinetic energy during the sliding process of the IMU sphere, we delve into the combined effects of motion enhancement due to landslide deformation and motion hindrance as the IMU sphere passes through fine particles, thereby revealing the underlying movement mechanisms of boulders within landslides. Analysis of leading wave heights indicates minimal sensitivity to the initial position of the IMU sphere, with the mass of fine particles exerting the primary influence. At last, through a comprehensive analysis of the IMU sphere's motion, a novel positional parameter is introduced, leading to the identification of motion mechanisms and distinct phase diagrams depicting deposition states. |
| DOI | 10.1063/5.0237511 |
| 收录类别 | SCI ; EI |
| 语种 | 英语 |
| WOS记录号 | WOS:001369269000015 |
| 关键词[WOS] | FLOW ; FAILURE |
| WOS研究方向 | Mechanics ; Physics |
| WOS类目 | Mechanics ; Physics, Fluids & Plasmas |
| 资助项目 | National Natural Science Foundation of China10.13039/501100001809[12202460] ; National Natural Science Foundation of China10.13039/501100001809[12032005] ; National Natural Science Foundation of China10.13039/501100001809[12388101] ; National Natural Science Foundation of China10.13039/501100001809[12472259] ; National Natural Science Foundation of China |
| 项目资助者 | National Natural Science Foundation of China10.13039/501100001809 ; National Natural Science Foundation of China |
| 论文分区 | 一类/力学重要期刊 |
| 力学所作者排名 | 1 |
| RpAuthor | Liu, Haoran |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/97754 |
| 专题 | 流固耦合系统力学重点实验室 |
| 作者单位 | 1.Univ Sci & Technol China, Dept Modern Mech, Hefei 230027, Peoples R China; 2.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China; 3.Beijing Inst Technol, Sch Aerosp Engn, Dept Mech, Beijing 100081, Peoples R China; 4.Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Shenzhen 518055, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi CQ,Jiao, Jiajun,Sun, Yunhui,et al. The motion mechanism of a boulder transported by landslide[J]. PHYSICS OF FLUIDS,2024,36,12,:12.Rp_Au:Liu, Haoran |
| APA | 石传奇,Jiao, Jiajun,Sun, Yunhui,Wang, Xiaoliang,Liu, Qingquan,&Liu, Haoran.(2024).The motion mechanism of a boulder transported by landslide.PHYSICS OF FLUIDS,36(12),12. |
| MLA | 石传奇,et al."The motion mechanism of a boulder transported by landslide".PHYSICS OF FLUIDS 36.12(2024):12. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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