EFFICIENT NUMERICAL COMPUTATION OF THE STEADY-STATE RESPONSE AND STABILITY ANALYSIS OF THE ROTOR SYSTEMS WITH SQUEEZE FILM DAMPERS

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27740%2F20%3A10246155" target="_blank" >RIV/61989100:27740/20:10246155 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61388998:_____/20:00538952 RIV/61989100:27230/20:10246155

Výsledek na webu

<a href="https://www.engmech.cz/im/doc/EM2020_proceedings.pdf" target="_blank" >https://www.engmech.cz/im/doc/EM2020_proceedings.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.21495/5896-3-354" target="_blank" >10.21495/5896-3-354</a>

Jazyk výsledku

angličtina

Název v původním jazyce

EFFICIENT NUMERICAL COMPUTATION OF THE STEADY-STATE RESPONSE AND STABILITY ANALYSIS OF THE ROTOR SYSTEMS WITH SQUEEZE FILM DAMPERS

Popis výsledku v původním jazyce

The aim of this paper is to demonstrate capabilities of the created numerical procedure, which is based on harmonic balance method. Furthermore, the procedure incorporates the alternating frequency-time domain technique and the arc-length parameterization to solve the steady-state response of nonlinear systems in efficient manner, including unstable branches. The stability of the motion was assessed by two methods: the 2n-pass method and Hill&apos;s method. The procedure was verified on an example from literature to prove its sufficient accuracy and subsequently, the procedure was applied on the finite element model of the rotor system mounted on the squeeze film dampers. The carried out computational simulations confirmed that the created procedure is efficient for the strongly nonlinear response and it gives similar results as the time integration.

Název v anglickém jazyce

EFFICIENT NUMERICAL COMPUTATION OF THE STEADY-STATE RESPONSE AND STABILITY ANALYSIS OF THE ROTOR SYSTEMS WITH SQUEEZE FILM DAMPERS

Popis výsledku anglicky

The aim of this paper is to demonstrate capabilities of the created numerical procedure, which is based on harmonic balance method. Furthermore, the procedure incorporates the alternating frequency-time domain technique and the arc-length parameterization to solve the steady-state response of nonlinear systems in efficient manner, including unstable branches. The stability of the motion was assessed by two methods: the 2n-pass method and Hill&apos;s method. The procedure was verified on an example from literature to prove its sufficient accuracy and subsequently, the procedure was applied on the finite element model of the rotor system mounted on the squeeze film dampers. The carried out computational simulations confirmed that the created procedure is efficient for the strongly nonlinear response and it gives similar results as the time integration.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20302 - Applied mechanics

Projekt

<a href="/cs/project/GA19-06666S" target="_blank" >GA19-06666S: Výzkum proudění a intertakce dvousložkových kapalin s tělesy a vnějším magnetickým polem</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Engineering Mechanics 2020 : 26th international conference : November 24-25, 2020, Brno, Czech Republic : book of full texts

ISBN

978-80-214-5896-3

ISSN

1805-8248

e-ISSN

1805-8256

Počet stran výsledku

4

Strana od-do

354-357

Název nakladatele

Czech Academy of Sciences

Místo vydání

Praha

Místo konání akce

Brno

Datum konání akce

24. 11. 2020

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000667956100081