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Numerical simulations of Brownian suspensions using Smoothed Dissipative Particle Dynamics: Diffusion, rheology and microstructure

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dc.contributor.authorVázquez Quesada, Adolfo
dc.contributor.authorEllero, Marco
dc.contributor.orcidhttps://orcid.org/0000-0001-8894-0395
dc.date.accessioned2024-09-27T07:40:59Z
dc.date.available2024-09-27T07:40:59Z
dc.date.issued2013
dc.descriptionThis is the Accepted Manuscript of an article published by Elsevier in "Journal of Non-Newtonian Fluid Mechanics" on 2023, available online: https://doi.org/10.1016/j.jnnfm.2023.105044 Este es el manuscrito aceptado de un artículo publicado por Elsevier en "Journal of Non-Newtonian Fluid Mechanics" en 2023, disponible en línea: https://doi.org/10.1016/j.jnnfm.2023.105044
dc.description.abstractIn this work, a Smoothed Dissipative Particle Dynamics (SDPD) model is presented to simulate dilute-to-concentrated colloidal suspensions with a Newtonian matrix. The Brownian solvent medium is simulated explicitly with the SDPD model and it mediates the long-range fluctuating hydrodynamic interaction between suspended particles. To account for the short-range lubrication interactions, interparticle correction terms are included. In particular, in the Brownian regime the GENERIC framework is used to introduce the stochastic contribution to the lubrication, complying the Fluctuation-Dissipation Theorem. The resulting stochastic equations are solved implicitly by using a splitting technique. The SDPD scheme allows to accurately and efficiently simulate dilute to highly concentrated Brownian suspensions of spheres. Diffusivity, rheology and microstructure of the Brownian particulate system are discussed and compared with previous simulations and experimental results. The effect of the stochastic lubrication model is also analyzed and discussed.en
dc.description.versionversión final
dc.identifier.citationAdolfo Vázquez-Quesada, Marco Ellero, Numerical simulations of Brownian suspensions using Smoothed Dissipative Particle Dynamics: Diffusion, rheology and microstructure, Journal of Non-Newtonian Fluid Mechanics, Volume 317, 2023, 105044, ISSN 0377-0257, https://doi.org/10.1016/j.jnnfm.2023.105044.
dc.identifier.doihttps://doi.org/10.1016/j.jnnfm.2023.105044
dc.identifier.issn0377-0257
dc.identifier.urihttps://hdl.handle.net/20.500.14468/23833
dc.journal.titleJournal of Non-Newtonian Fluid Mechanics
dc.journal.volume317
dc.language.isoen
dc.page.initial105044
dc.publisherELSEVIER
dc.relation.centerFacultades y escuelas
dc.relation.departmentFísica Fundamental
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subject33 Ciencias Tecnológicas
dc.subject.keywordsfluctuating hydrodynamicsen
dc.subject.keywordsSmoothed Dissipative Particle Dynamicsen
dc.subject.keywordsstochastic lubricationen
dc.subject.keywordsbrownian suspension rheologyen
dc.titleNumerical simulations of Brownian suspensions using Smoothed Dissipative Particle Dynamics: Diffusion, rheology and microstructurees
dc.typeartículoes
dc.typejournal articleen
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relation.isAuthorOfPublication3f310b94-59f6-4631-8e0f-a856c4242918
relation.isAuthorOfPublication.latestForDiscovery3f310b94-59f6-4631-8e0f-a856c4242918
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