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dc.contributor.authorQuinlan, Nathan J.
dc.contributor.authorLobovsky, Libor
dc.contributor.authorNestor, Ruairi M.
dc.date.accessioned2014-02-26T12:17:09Z
dc.date.available2014-02-26T12:17:09Z
dc.date.issued2014-02-18
dc.identifier.citationQuinlan Nathan J, Lobovský Libor, Nestor Ruairi M (2014) 'Development of the meshless finite volume particle method with exact and efficient calculation of interparticle area'. Computer Physics Communications, .en_US
dc.identifier.issn0010-4655
dc.identifier.urihttp://hdl.handle.net/10379/4221
dc.descriptionJournal articleen_US
dc.description.abstractThe Finite Volume Particle Method (FVPM) is a meshless method based on a definition of interparticle area which is closely analogous to cell face area in the classical finite volume method. In previous work, the interparticle area has been computed by numerical integration, which is a source of error and is extremely expensive. We show that if the particle weight or kernel function is defined as a discontinuous top-hat function, the particle interaction vectors may be evaluated exactly and efficiently. The new formulation reduces overall computational time by a factor between 6.4 and 8.2. In numerical experiments on a viscous flow with an analytical solution, the method converges under all conditions. Significantly, in contrast with standard FVPM and SPH, error depends on particle size but not on particle overlap (as long as the computational domain is completely covered by particles). The new method is shown to be superior to standard FVPM for shock tube flow and inviscid steady transonic flow. In benchmarking on a viscous multiphase flow application, FVPM with exact interparticle area is shown to be competitive with a volume-of-fluid solver in terms of computational time required to resolve the structure of an interface.en_US
dc.description.sponsorshipEC Seventh Framework Programme (FP7/2007-2013); IRCSET / ERDF CZ.1.05/1.1.00/02.0090en_US
dc.formatapplication/pdfen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofComputer Physics Communicationsen
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Ireland
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/3.0/ie/
dc.subjectFinite volume particle methoden_US
dc.subjectMeshless methoden_US
dc.subjectTaylor-Green flowen_US
dc.subjectShock tubeen_US
dc.subjectNACA 0012en_US
dc.subjectRayleigh-Taylor instabilityen_US
dc.titleDevelopment of the meshless finite volume particle method with exact and efficient calculation of interparticle areaen_US
dc.typeArticleen_US
dc.date.updated2014-02-24T13:38:38Z
dc.identifier.doi10.1016/j.cpc.2014.02.017
dc.local.publishedsourcehttp://dx.doi.org/10.1016/j.cpc.2014.02.017en_US
dc.description.peer-reviewedpeer-reviewed
dc.contributor.funder|~|EU|~|IRCSET|~|
dc.internal.rssid5896141
dc.local.contactNathan Quinlan, Mechanical & Biomedical Eng, Eng-2042, New Engineering Building, Nui Galway. 2726 Email: nathan.quinlan@nuigalway.ie
dc.local.copyrightcheckedYes
dc.local.versionACCEPTED
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Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 Ireland