IMHE OpenIR  > 山地灾害与地表过程重点实验室
A soft-rigid contact model of MPM for granular flow impact on retaining structures
Li, Xinpo1,2; Xie, Yanfang2,3; Gutierrez, Marte4
2018
Source PublicationCOMPUTATIONAL PARTICLE MECHANICS
ISSN2196-4378
EISSN2196-4386
Volume5Issue:4Pages:529-537
SubtypeArticle
AbstractProtective measures against hazards associated with rapid debris avalanches include a variety of retaining structures such as rock/boulder fences, gabions, earthfill barriers and retaining walls. However, the development of analytical and numerical methods for the rational assessment of impact force generated by granular flows is still a challenge. In this work, a soft-rigid contact model is built under the coding framework of MPM which is a hybrid method with Eulerian-Lagrangian description. The soft bodies are discretized into particles (material points), and the rigid bodies are presented by rigid node-based surfaces. Coulomb friction model is used to implement the modeled contact mechanics, and a velocity-dependent friction coefficient is coupled into the model. Simulations of a physical experiment show that the peak and residual value of impact forces are well captured by the MPM model. An idealized scenario of debris avalanche flow down a hillslope and impacting on a retaining wall are analyzed using the MPM model. The calculated forces can provide a quantitative estimate from which mound design could proceed for practical implementation in the field.
KeywordMaterial point method Granular flow Impact force Soil-structure interaction
DOI10.1007/s40571-018-0188-5
Indexed BySCI
WOS KeywordMATERIAL-POINT METHOD ; IN-CELL METHOD ; DEFORMATION ; EARTHQUAKE ; ALGORITHM ; BEHAVIOR ; FAULT ; MASS
Language英语
Quartile3区
Funding ProjectNSFC[41472293] ; NSFC[41661144041] ; NSFC[41672356] ; NSFC[41702331] ; "Belt & Road" International Cooperation Team Project of CAS ; "Hundred Talents" Program of CAS ; STS Project of CAS[KFJ-EW-STS-094] ; 135 Strategic Program of IMHE, CAS[SDS-135-1704]
TOP
WOS Research AreaMathematics ; Mechanics
WOS SubjectMathematics, Interdisciplinary Applications ; Mechanics
WOS IDWOS:000445873600010
Funding OrganizationNSFC ; "Belt & Road" International Cooperation Team Project of CAS ; "Hundred Talents" Program of CAS ; STS Project of CAS ; 135 Strategic Program of IMHE, CAS
PublisherSPRINGER INTERNATIONAL PUBLISHING AG
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/23991
Collection山地灾害与地表过程重点实验室
Corresponding AuthorLi, Xinpo
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Sichuan, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Colorado Sch Mines, Civil & Environm Engn, 1012 14th St, Golden, CO 80401 USA
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Li, Xinpo,Xie, Yanfang,Gutierrez, Marte. A soft-rigid contact model of MPM for granular flow impact on retaining structures[J]. COMPUTATIONAL PARTICLE MECHANICS,2018,5(4):529-537.
APA Li, Xinpo,Xie, Yanfang,&Gutierrez, Marte.(2018).A soft-rigid contact model of MPM for granular flow impact on retaining structures.COMPUTATIONAL PARTICLE MECHANICS,5(4),529-537.
MLA Li, Xinpo,et al."A soft-rigid contact model of MPM for granular flow impact on retaining structures".COMPUTATIONAL PARTICLE MECHANICS 5.4(2018):529-537.
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