About: Experimental and numerical verification of vortex-induced vibration of hangers on the footbridge

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with vortex-induced oscillations of footbridge hangers at a very low wind speed. The two-spans (2x50m) reinforced concrete structure with the central pylon (25m height) is designed as the harp system of hangers with circular cross-section. The oscillations were observed at the low wind speed and the high double amplitudes has been measured. The wind-excited deformation shape corresponded to the 6th, 7th and 8th natural modes of a hanger. The individual hanger as well as thein group were analysed to estimate the dynamic response, possible aeroelastic vibration and special interference or coupling effects. It also includes proposal for the elimination of the extensive vibration. The analysis is complemented by numerical investigation using Computational Fluid Dynamics methods. The paper deals with vortex-induced oscillations of footbridge hangers at a very low wind speed. The two-spans (2x50m) reinforced concrete structure with the central pylon (25m height) is designed as the harp system of hangers with circular cross-section. The oscillations were observed at the low wind speed and the high double amplitudes has been measured. The wind-excited deformation shape corresponded to the 6th, 7th and 8th natural modes of a hanger. The individual hanger as well as thein group were analysed to estimate the dynamic response, possible aeroelastic vibration and special interference or coupling effects. It also includes proposal for the elimination of the extensive vibration. The analysis is complemented by numerical investigation using Computational Fluid Dynamics methods. (en)
Title	Experimental and numerical verification of vortex-induced vibration of hangers on the footbridge Experimental and numerical verification of vortex-induced vibration of hangers on the footbridge (en)
skos:prefLabel	Experimental and numerical verification of vortex-induced vibration of hangers on the footbridge Experimental and numerical verification of vortex-induced vibration of hangers on the footbridge (en)
skos:notation	RIV/68378297:_____/12:00383999!RIV13-GA0-68378297
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA103/09/0094), P(GAP105/10/2159)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Pospíšil, Stanislav Pirner, Miroš Král, Radomil Urushadze, Shota
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 teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	135535
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/12:00383999
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	footbridge; vortex-induced oscillations; Kármán vortex; fluid dynamics (en)
http://linked.open.../riv/klicoveSlovo	fluid dynamics footbridge Kármán vortex vortex-induced oscillations
http://linked.open...ontrolniKodProRIV	[B4458233228D]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Prague
http://linked.open...i/riv/nazevZdroje	Engineering Mechanics 2012
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Stochastic stability and transition processes in interaction of non-conservative gyroscopic systems with moving continuum Modelling of membrane action of floor slabs exposed to fire
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Pospíšil, Stanislav Pirner, Miroš Král, Radomil Urushadze, Shota
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-05-14 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	ITAM AS CR, v. v. i.
https://schema.org/isbn	978-80-86246-39-0

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