Influence of periodic excitation on self-sustained vibrations of one disk rotors in arbitrary length journals bearings

K. Avramov, M. Shulzhenko, O. Borysiuk, Christophe Pierre

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Interaction of forced and self-sustained vibrations of one disk rotor is described by nonlinear finite-degree-of-freedom dynamical system. The shaft of the rotor is supported by two journal bearings. The combination of the shooting technique and the continuation algorithm is used to study the rotor periodic vibrations. The Floquet multipliers are calculated to analyze periodic vibrations stability. The results of periodic motions analysis are shown on the frequency response. The quasi-periodic motions are investigated. These nonlinear vibrations coexist with the periodic forced vibrations.

Original languageEnglish (US)
Pages (from-to)274-280
Number of pages7
JournalInternational Journal of Non-Linear Mechanics
Volume77
DOIs
StatePublished - Dec 1 2015
Externally publishedYes

Fingerprint

Journal Bearing
Journal bearings
Rotor
Rotors
Vibration
Excitation
Arbitrary
Floquet multipliers
Quasi-periodic Motion
Forced Vibration
Motion Analysis
Nonlinear Vibration
Shooting
Periodic Motion
Frequency Response
Continuation
Frequency response
Dynamical systems
Dynamical system
Degree of freedom

Cite this

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title = "Influence of periodic excitation on self-sustained vibrations of one disk rotors in arbitrary length journals bearings",
abstract = "Interaction of forced and self-sustained vibrations of one disk rotor is described by nonlinear finite-degree-of-freedom dynamical system. The shaft of the rotor is supported by two journal bearings. The combination of the shooting technique and the continuation algorithm is used to study the rotor periodic vibrations. The Floquet multipliers are calculated to analyze periodic vibrations stability. The results of periodic motions analysis are shown on the frequency response. The quasi-periodic motions are investigated. These nonlinear vibrations coexist with the periodic forced vibrations.",
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Influence of periodic excitation on self-sustained vibrations of one disk rotors in arbitrary length journals bearings. / Avramov, K.; Shulzhenko, M.; Borysiuk, O.; Pierre, Christophe.

In: International Journal of Non-Linear Mechanics, Vol. 77, 01.12.2015, p. 274-280.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Avramov, K.

AU - Shulzhenko, M.

AU - Borysiuk, O.

AU - Pierre, Christophe

PY - 2015/12/1

Y1 - 2015/12/1

N2 - Interaction of forced and self-sustained vibrations of one disk rotor is described by nonlinear finite-degree-of-freedom dynamical system. The shaft of the rotor is supported by two journal bearings. The combination of the shooting technique and the continuation algorithm is used to study the rotor periodic vibrations. The Floquet multipliers are calculated to analyze periodic vibrations stability. The results of periodic motions analysis are shown on the frequency response. The quasi-periodic motions are investigated. These nonlinear vibrations coexist with the periodic forced vibrations.

AB - Interaction of forced and self-sustained vibrations of one disk rotor is described by nonlinear finite-degree-of-freedom dynamical system. The shaft of the rotor is supported by two journal bearings. The combination of the shooting technique and the continuation algorithm is used to study the rotor periodic vibrations. The Floquet multipliers are calculated to analyze periodic vibrations stability. The results of periodic motions analysis are shown on the frequency response. The quasi-periodic motions are investigated. These nonlinear vibrations coexist with the periodic forced vibrations.

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