Numerical Simulation of Granular Flows by DDA
文献类型：会议论文
| 作者 | Zhiman Su
|
| 出版日期 | 2013 |
| 会议名称 | International Symposium on Earthquake-Induced Landslides, Kiryu, Japan, 2012 |
| 会议日期 | November 7-9, 2012 |
| 会议地点 | kiryu, Japan |
| 关键词 | Discontinuous deformation analysis Granular flow Velocity Run-out |
| 页码 | 643-648 |
| 通讯作者 | Qingqing Yang |
| 英文摘要 | Despite of extensive efforts made by many researchers, the mechanisms involved in rapid, dry, dense granular flows are thought only understood in broad line. In this paper, Discontinuous Deformation Analysis (DDA) was applied to simulate some experimental flows in a large flume and a large rock avalanche triggered by the Wenchuan earthquake, as a step to make clear some mechanisms in rock avalanches. Simulated results show that DDA was able to capture essential characteristics of granular flows and friction coefficient was a key parameter in the numerical analysis. Furthermore, the apparent friction coefficient, which was determined by field investigation, served as a reasonable parameter to reproduce the field event, rather than the friction coefficient measured in the laboratory. |
| 会议主办者 | Keizo Ugai ; Hiroshi Yagi ; Akihiko Wakai |
| 会议录 | Earthquake-Induced Landslides: Proceedings of the International Symposium on Earthquake-Induced Landslides, Kiryu, Japan, 2012
 |
| 语种 | 英语 |
| ISBN号 | 978-3-642-32237-2 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/6632]  |
| 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 |
| 推荐引用方式 GB/T 7714 | Zhiman Su. Numerical Simulation of Granular Flows by DDA[C]. 见:International Symposium on Earthquake-Induced Landslides, Kiryu, Japan, 2012. kiryu, Japan. November 7-9, 2012. |
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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