A Smoothed Particle Hydrodynamics scheme for arbitrarily shaped rigid bodies within highly viscous fluids

dc.contributor.authorDietemann, Bastien
dc.contributor.authorKraft, Torsten
dc.contributor.authorKruggel-Emden, Harald
dc.contributor.authorBierwisch, Claas
dc.date.accessioned2022-10-12T11:56:16Z
dc.date.available2022-10-12T11:56:16Z
dc.date.issued2020-08-04
dc.description.abstractWe present a Smoothed Particle Hydrodynamics (SPH) scheme suitable to model spatially resolved flow of arbitrarily shaped rigid bodies within highly viscous fluids. Coupling to other methods is avoided by representing both fluid and solid phase by SPH particles. The scheme consists of two elements, an implicit viscosity solver and a rigid body solver, both of which are adapted from existing literature. We present how both methods can be coupled with ease and little modification. The scheme presented in this paper can be used for simulations of a representative volume element in which the motion of rigid bodies can be studied in defined velocity gradients composed of elongation and/or shear conditions. The scheme only requires stabilization by particle shifting. However, this causes the loss of exact momentum and energy conservation at the boundary between fluid and rigid bodies. Results are shown for both 2-dimensional and 3-dimensional simulations including academic cases with existing analytical solutions and industrially relevant cases of semi-dilute suspensions of rigid bodies of various shapes.en
dc.identifier.eissn2590-0552
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/17572
dc.identifier.urihttps://doi.org/10.14279/depositonce-16353
dc.language.isoen
dc.relation.ispartof10.14279/depositonce-16153
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc530 Physikde
dc.subject.othersuspension modelingen
dc.subject.otherimplicit viscosity solveren
dc.subject.otherrepresentative volume elementen
dc.subject.otherLees Edwards shear cellen
dc.subject.otherelongational flowen
dc.titleA Smoothed Particle Hydrodynamics scheme for arbitrarily shaped rigid bodies within highly viscous fluidsen
dc.typeArticle
dc.type.versionpublishedVersion
dcterms.bibliographicCitation.articlenumber100068
dcterms.bibliographicCitation.doi10.1016/j.jcpx.2020.100068
dcterms.bibliographicCitation.journaltitleJournal of Computational Physics
dcterms.bibliographicCitation.originalpublishernameElsevier
dcterms.bibliographicCitation.originalpublisherplaceAmsterdam
dcterms.bibliographicCitation.volume8
tub.accessrights.dnbfree
tub.affiliationFak. 3 Prozesswissenschaften::Inst. Prozess- und Verfahrenstechnik::FG Mechanische Verfahrenstechnik und Aufbereitung
tub.publisher.universityorinstitutionTechnische Universität Berlin

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