About: Fluid-structure interaction and vortex identification

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fluid-structure interaction is often associated with 3D large-scale vortical structures in the wake and a near-wake region which is strongly affected by the mean-flow shear. The present paper concentrates on the performance of vortex-identification schemes in the near-wake region of an inclined flat plate. Two widely used methods, the Q-criterion and λ2-criterion, are compared with the triple-decomposition method (TDM) based on the extraction of a local shearing motion near a point. The following conclusion is drawn: to capture the vortical structures in the wake, both the Q-criterion and λ2-criterion cannot—unlike TDM—avoid the bias in showing shearing zones, formed in the close proximity of the plate edges, as vortex regions. Fluid-structure interaction is often associated with 3D large-scale vortical structures in the wake and a near-wake region which is strongly affected by the mean-flow shear. The present paper concentrates on the performance of vortex-identification schemes in the near-wake region of an inclined flat plate. Two widely used methods, the Q-criterion and λ2-criterion, are compared with the triple-decomposition method (TDM) based on the extraction of a local shearing motion near a point. The following conclusion is drawn: to capture the vortical structures in the wake, both the Q-criterion and λ2-criterion cannot—unlike TDM—avoid the bias in showing shearing zones, formed in the close proximity of the plate edges, as vortex regions. (en)
Title	Fluid-structure interaction and vortex identification Fluid-structure interaction and vortex identification (en)
skos:prefLabel	Fluid-structure interaction and vortex identification Fluid-structure interaction and vortex identification (en)
skos:notation	RIV/67985874:_____/12:00386882!RIV13-AV0-67985874
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(IAA200600801)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kolář, Václav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	136863
http://linked.open...ai/riv/idVysledku	RIV/67985874:_____/12:00386882
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	triple decomposition method; TDM; vortex identification (en)
http://linked.open.../riv/klicoveSlovo	TDM triple decomposition method vortex identification
http://linked.open...ontrolniKodProRIV	[FD11885331D1]
http://linked.open...v/mistoKonaniAkce	Launceston
http://linked.open...i/riv/mistoVydani	Australia
http://linked.open...i/riv/nazevZdroje	Proceedings of the 18th Australasian mechanics conference
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Decomposition techniques for flow-field analysis
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Kolář, Václav Šístek, Jakub Cirak, F. Moses, P.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-12-03 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Australian fluid mechanics society
https://schema.org/isbn	978-0-646-58373-0

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