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Article: A comprehensive parametric study of LBM-DEM for immersed granular flows

TitleA comprehensive parametric study of LBM-DEM for immersed granular flows
Authors
KeywordsLBM-DEM
Immersed moving boundary
Fluid-particle interaction
Granular collapse
Issue Date2019
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compgeo
Citation
Computers and Geotechnics, 2019, v. 114, article no. 103100 How to Cite?
AbstractThis paper presents a parametric study of a fluid-particle model which couples Lattice Boltzmann Method (LBM) and Discrete Element Method (DEM) using an immersed moving boundary technique. Benchmark cases with increasing complexity are simulated to understand the numerical accuracy, stability and efficiency of the algorithm. A guideline for a high-quality LBM-DEM model is proposed and applied to a test case of granular collapse in water. The simulation result shows excellent agreement with a companion experiment, which demonstrates the capability of LBM-DEM to describe the dynamics of densely packed and friction dominant immersed granular flows, highlighting its potential to study geophysical mass movements.
Persistent Identifierhttp://hdl.handle.net/10722/274884
ISSN
2019 Impact Factor: 3.818
2015 SCImago Journal Rankings: 2.033

 

DC FieldValueLanguage
dc.contributor.authorYang, GC-
dc.contributor.authorJing, L-
dc.contributor.authorKwok, CY-
dc.contributor.authorSobral, YD-
dc.date.accessioned2019-09-10T02:30:53Z-
dc.date.available2019-09-10T02:30:53Z-
dc.date.issued2019-
dc.identifier.citationComputers and Geotechnics, 2019, v. 114, article no. 103100-
dc.identifier.issn0266-352X-
dc.identifier.urihttp://hdl.handle.net/10722/274884-
dc.description.abstractThis paper presents a parametric study of a fluid-particle model which couples Lattice Boltzmann Method (LBM) and Discrete Element Method (DEM) using an immersed moving boundary technique. Benchmark cases with increasing complexity are simulated to understand the numerical accuracy, stability and efficiency of the algorithm. A guideline for a high-quality LBM-DEM model is proposed and applied to a test case of granular collapse in water. The simulation result shows excellent agreement with a companion experiment, which demonstrates the capability of LBM-DEM to describe the dynamics of densely packed and friction dominant immersed granular flows, highlighting its potential to study geophysical mass movements.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compgeo-
dc.relation.ispartofComputers and Geotechnics-
dc.subjectLBM-DEM-
dc.subjectImmersed moving boundary-
dc.subjectFluid-particle interaction-
dc.subjectGranular collapse-
dc.titleA comprehensive parametric study of LBM-DEM for immersed granular flows-
dc.typeArticle-
dc.identifier.emailJing, L: lljing@HKUCC-COM.hku.hk-
dc.identifier.emailKwok, CY: fkwok8@hku.hk-
dc.identifier.authorityKwok, CY=rp01344-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.compgeo.2019.103100-
dc.identifier.scopuseid_2-s2.0-85066430438-
dc.identifier.hkuros304468-
dc.identifier.volume114-
dc.identifier.spagearticle no. 103100-
dc.identifier.epagearticle no. 103100-
dc.publisher.placeUnited Kingdom-

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