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Statements

Subject Item

n2:RIV%2F49777513%3A23520%2F11%3A43925090%21RIV15-GA0-23520___

rdf:type

skos:Concept n14:Vysledek

dcterms:description

The problem of two blades with a friction element is studied in order to analyze the effects of the friction on the undesirable vibration suppression. The simplified contact model between friction planes of the blade shrouding and the friction element is derived to be a fast computational tool comparing with a time-consuming finite element solution. The harmonic balance method is suitable for the linearization of originally nonlinear equations of motion under certain assumptions given on the excitation of the system and on its dynamic response. On the other hand the nonlinear equations of motion can be solved directly by their numerical integration, which is more time-consuming but it is not limited by given assumptions. The comparison of results of the harmonic balance method and of the numerical integration of motion equations is given in the paper. The problem of two blades with a friction element is studied in order to analyze the effects of the friction on the undesirable vibration suppression. The simplified contact model between friction planes of the blade shrouding and the friction element is derived to be a fast computational tool comparing with a time-consuming finite element solution. The harmonic balance method is suitable for the linearization of originally nonlinear equations of motion under certain assumptions given on the excitation of the system and on its dynamic response. On the other hand the nonlinear equations of motion can be solved directly by their numerical integration, which is more time-consuming but it is not limited by given assumptions. The comparison of results of the harmonic balance method and of the numerical integration of motion equations is given in the paper.

dcterms:title

Blade vibration suppression using friction elements in shrouding Blade vibration suppression using friction elements in shrouding

skos:prefLabel

Blade vibration suppression using friction elements in shrouding Blade vibration suppression using friction elements in shrouding

skos:notation

RIV/49777513:23520/11:43925090!RIV15-GA0-23520___

n3:aktivita

n18:P

n3:aktivity

P(GA101/09/1166)

n3:dodaniDat

n13:2015

n3:domaciTvurceVysledku

n5:8163014 n5:3846741 n5:8113602

n3:druhVysledku

n4:D

n3:duvernostUdaju

n12:S

n3:entitaPredkladatele

n16:predkladatel

n3:idSjednocenehoVysledku

188483

n3:idVysledku

RIV/49777513:23520/11:43925090

n3:jazykVysledku

n22:eng

n3:klicovaSlova

blade dynamics, friction, contact, harmonic balance method, numerical integration

n3:klicoveSlovo

n7:numerical%20integration n7:friction n7:contact n7:harmonic%20balance%20method n7:blade%20dynamics

n3:kontrolniKodProRIV

[11F25EFDD335]

n3:mistoKonaniAkce

Washington

n3:mistoVydani

Washington

n3:nazevZdroje

ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011

n3:obor

n8:BI

n3:pocetDomacichTvurcuVysledku

3

n3:pocetTvurcuVysledku

3

n3:projekt

n15:GA101%2F09%2F1166

n3:rokUplatneniVysledku

n13:2011

n3:tvurceVysledku

Hajžman, Michal Zeman, Vladimír Byrtus, Miroslav

n3:typAkce

n19:WRD

n3:zahajeniAkce

2011-08-28+02:00

s:numberOfPages

9

n17:doi

10.1115/DETC2011-47523

n21:hasPublisher

Neuveden

n20:isbn

978-0-7918-5481-5

n10:organizacniJednotka

23520