About: Exponential damping as an approach to internal hysteretic damping of rotor systems: FEM model of Timoshenko rotating beam with Maxwell-Weichert damping model

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About: Exponential damping as an approach to internal hysteretic damping of rotor systems: FEM model of Timoshenko rotating beam with Maxwell-Weichert damping model Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Since material losses of many engineering materials are known to be independent on frequency, the viscous damping is not always appropriate model of damping. In the case of structures, the effect of damping is usually small far from the system resonance. Unlike the case of structures, the material damping of rotor can lead to system instability. Traditional concept of hysteretic damping introduced by complex modulus of elasticity has serious drawback of its inapplicability in the time domain. Also it is inconsistent when frequency of vibration tends to zero, chat is the case of rotor undergoing synchronous forward precession. In this paper, the Maxwell-Weichert material model is used to approach hysteretic material damping of rotor systems. Presented finite element model of Timoshenko rotating beam with non-viscous internal damping with exponential kernel is suitable for time domain solutions as well as for calculation of decay rates and Campbell plots of rotor systems. Since material losses of many engineering materials are known to be independent on frequency, the viscous damping is not always appropriate model of damping. In the case of structures, the effect of damping is usually small far from the system resonance. Unlike the case of structures, the material damping of rotor can lead to system instability. Traditional concept of hysteretic damping introduced by complex modulus of elasticity has serious drawback of its inapplicability in the time domain. Also it is inconsistent when frequency of vibration tends to zero, chat is the case of rotor undergoing synchronous forward precession. In this paper, the Maxwell-Weichert material model is used to approach hysteretic material damping of rotor systems. Presented finite element model of Timoshenko rotating beam with non-viscous internal damping with exponential kernel is suitable for time domain solutions as well as for calculation of decay rates and Campbell plots of rotor systems. (en)
Title	Exponential damping as an approach to internal hysteretic damping of rotor systems: FEM model of Timoshenko rotating beam with Maxwell-Weichert damping model Exponential damping as an approach to internal hysteretic damping of rotor systems: FEM model of Timoshenko rotating beam with Maxwell-Weichert damping model (en)
skos:prefLabel	Exponential damping as an approach to internal hysteretic damping of rotor systems: FEM model of Timoshenko rotating beam with Maxwell-Weichert damping model Exponential damping as an approach to internal hysteretic damping of rotor systems: FEM model of Timoshenko rotating beam with Maxwell-Weichert damping model (en)
skos:notation	RIV/46709002:_____/12:#0000496!RIV13-MPO-46709002
http://linked.open...avai/predkladatel	VÚTS, a.s.
http://linked.open...avai/riv/aktivita	N
http://linked.open...avai/riv/aktivity	N
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Skarolek, Antonín
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	C - Předmět podléhá obchodnímu tajemství (§17 až 20 Obchodního zákoníku), ale některé údaje jsou upraveny tak, aby byly zveřejnitelné
http://linked.open...titaPredkladatele	VÚTS, a.s.
http://linked.open...dnocenehoVysledku	135852
http://linked.open...ai/riv/idVysledku	RIV/46709002:_____/12:#0000496
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Maxwell-Weichert material model; Exponential damping; Internal damping of rotors; Hysteretic damping (en)
http://linked.open.../riv/klicoveSlovo	Exponential damping Hysteretic damping Internal damping of rotors Maxwell-Weichert material model
http://linked.open...ontrolniKodProRIV	[CF96ECED271C]
http://linked.open...v/mistoKonaniAkce	Technical University of Liberec
http://linked.open...i/riv/mistoVydani	Liberec, Czech Republic
http://linked.open...i/riv/nazevZdroje	Advances in Mechanisms Design, Proceedings of TMM 2012
http://linked.open...in/vavai/riv/obor	JQ
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Skarolek, Antonín
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-09-04 (xsd:date)
issn	2211-0984
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Springer-Verlag
https://schema.org/isbn	978-94-007-5124-8
is http://linked.open...avai/riv/vysledek of	Exponential damping as an approach to internal hysteretic damping of rotor systems: FEM model of Timoshenko rotating beam with Maxwell-Weichert damping model

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