| An optimized volume of fluid method for modelling three-dimensional debris flows. Implementation in OpenFOAM, validation, and application in the Aiwa Watershed, Beijing | |
Zhang Y(张岩); Lyu, Liqun; Li P(李鹏)
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| Corresponding Author | Lyu, Liqun([email protected]) |
| Source Publication | COMPUTERS AND GEOTECHNICS
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| 2022-04-01 | |
| Volume | 144Pages:14 |
| ISSN | 0266-352X |
| Abstract | Debris flows are a common type of geological hazard. They move down slopes at rapid speeds, causing severe damage to buildings and humans. It is of great significance to study the development and movement characteristics of debris flows. In this study, we developed a numerical method of simulating the movement of debris flows. The phase fraction was used to represent the contents of the debris flow components. The Herschel-Bulkley-Papanastasiou model was used to simulate the movement of the fine particle-water mixture in the debris flow, and the pressure-dependent Coulomb viscoplastic model was used to describe the movement of the gravel-size particles. The interface between the debris flow and the air was obtained using the volume of fluid method. The above models were implanted in OpenFOAM. Finally, indoor experimental data were used to verify the numerical method developed in this study, and the experimental and simulation results were found to be in good agreement. The proposed method was then applied to debris flow prediction in the Aiwa Watershed, Beijing. The homogeneous flow model developed in this study can significantly reduce the number of calculations required and can be used for the three-dimensional simulation of large-scale debris flows. |
| Keyword | Debris flow Volume of fluid Herschel-Bulkley Aiwa Watershed OpenFOAM |
| DOI | 10.1016/j.compgeo.2022.104651 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000754143700003 |
| WOS Keyword | NUMERICAL-SIMULATION ; RHEOLOGICAL PROPERTIES ; MIYUN COUNTY ; BEHAVIOR ; TRANSPORT ; VELOCITY ; FRACTION |
| WOS Research Area | Computer Science ; Engineering ; Geology |
| WOS Subject | Computer Science, Interdisciplinary Applications ; Engineering, Geological ; Geosciences, Multidisciplinary |
| Funding Project | Beijing Municipal Education Com-mission, China ; Innovative Trans-disciplinary Programme Ecological Restoration Engineering |
| Funding Organization | Beijing Municipal Education Com-mission, China ; Innovative Trans-disciplinary Programme Ecological Restoration Engineering |
| Classification | 二类/Q1 |
| Ranking | 1 |
| Contributor | Lyu, Liqun |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/88636 |
| Collection | 流固耦合系统力学重点实验室 |
| Recommended Citation GB/T 7714 | Zhang Y,Lyu, Liqun,Li P. An optimized volume of fluid method for modelling three-dimensional debris flows. Implementation in OpenFOAM, validation, and application in the Aiwa Watershed, Beijing[J]. COMPUTERS AND GEOTECHNICS,2022,144:14.Rp_Au:Lyu, Liqun |
| APA | 张岩,Lyu, Liqun,&李鹏.(2022).An optimized volume of fluid method for modelling three-dimensional debris flows. Implementation in OpenFOAM, validation, and application in the Aiwa Watershed, Beijing.COMPUTERS AND GEOTECHNICS,144,14. |
| MLA | 张岩,et al."An optimized volume of fluid method for modelling three-dimensional debris flows. Implementation in OpenFOAM, validation, and application in the Aiwa Watershed, Beijing".COMPUTERS AND GEOTECHNICS 144(2022):14. |
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| Jp2022F89.pdf（3322KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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