A unified numerical framework for the soil and fluid coupling problem considering mixture and separation
文献类型：期刊论文
| 作者 | Zhang YL(张云龙)1,2; Liu CQ(刘传奇)2 |
| 刊名 | COMPUTERS AND GEOTECHNICS
 |
| 出版日期 | 2025-10-01 |
| 卷号 | 186页码:17 |
| 关键词 | Fluid-solid coupling Material point method Finite deformation Elasto-plastic model |
| ISSN号 | 0266-352X |
| DOI | 10.1016/j.compgeo.2025.107373 |
| 通讯作者 | Liu, Chuanqi(chuanqil@imech.ac.cn) |
| 英文摘要 | Accurately modeling soil-fluid coupling under large deformations is critical for understanding and predicting phenomena such as slope failures, embankment collapses, and other geotechnical hazards. This topic has been studied for decades and remains challenging due to the nonlinear responses of geotechnical structures, which typically result from plastic yielding and finite deformation of the soil skeleton. In this work, we comprehensively summarize the theory involved in the soil-fluid coupling problem. Within a finite strain framework, we employ an elasto-plastic constitutive model with linear hardening to represent the solid skeleton and a nearly incompressible model for water. The water content influences the behavior of the solid skeleton by affecting its cohesion. The governing equations are discretized by material point method and two sets of material points are employed to independently represent solid skeleton and fluid, respectively. The proposed method is validated by comparing simulation results with experimental results for the impact of water on dry soil and wet soil. The capability of the method is further demonstrated through two cases: (1) the impact of a rigid body on saturated soil, causing water seepage, and (2) the filling of a ditch, which considers the erosion of the foundation. This work may provide a versatile tool for analyzing the dynamic responses of fluid and solid interactions, considering both mixing and separation phenomena. |
| 分类号 | 一类 |
| WOS关键词 | MATERIAL POINT METHOD ; LARGE-STRAIN CONSOLIDATION ; LARGE-DEFORMATION PROBLEMS ; GRANULAR COLUMN COLLAPSE ; FINITE-ELEMENT-METHOD ; CAM-CLAY PLASTICITY ; ELASTOPLASTIC CONSOLIDATION ; PROGRESSIVE FAILURE ; MODEL ; FORMULATION |
| 资助项目 | Strategic Priority Research Program of Chinese Academy of Sciences (CAS)[XDB0620103] ; One Hundred Talents Program of CAS ; National Natural Science Foundation of China (NSFC)[12172368] |
| WOS研究方向 | Computer Science ; Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:001510967800001 |
| 资助机构 | Strategic Priority Research Program of Chinese Academy of Sciences (CAS) ; One Hundred Talents Program of CAS ; National Natural Science Foundation of China (NSFC) |
| 其他责任者 | 刘传奇 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/101808]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 作者单位 | 1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Zhang YL,Liu CQ. A unified numerical framework for the soil and fluid coupling problem considering mixture and separation[J]. COMPUTERS AND GEOTECHNICS,2025,186:17. |
| APA | 张云龙,&刘传奇.(2025).A unified numerical framework for the soil and fluid coupling problem considering mixture and separation.COMPUTERS AND GEOTECHNICS,186,17. |
| MLA | 张云龙,et al."A unified numerical framework for the soil and fluid coupling problem considering mixture and separation".COMPUTERS AND GEOTECHNICS 186(2025):17. |
入库方式： OAI收割
来源：力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。