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    Experiments on Nonlinear Dynamic Behavior of an Oscillator With Clearance and Periodically Time-Varying Parameters

    Source: Journal of Applied Mechanics:;1997:;volume( 064 ):;issue: 001::page 217
    Author:
    A. Kahraman
    ,
    G. W. Blankenship
    DOI: 10.1115/1.2787276
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A number of experiments on a physical system with clearance having combined parametric and external forcing excitation are presented. The data demonstrate several nonlinear phenomena that exist in periodically excited oscillators subject to clearance at a contact interface. Jump discontinuities in forced response curves are shown to exist and subharmonic resonances which are formed by period-n (nT) motions with n ≥ 2 are demonstrated. Long-period subharmonic motions with periods as long as nine times the excitation period are reported. Finally, several cases of measured chaotic motions are also illustrated through time-traces, phase portraits, Fourier spectra, and Poincare plots which form strange attractors.
    keyword(s): Clearances (Engineering) , Motion AND Spectra (Spectroscopy) ,
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      Experiments on Nonlinear Dynamic Behavior of an Oscillator With Clearance and Periodically Time-Varying Parameters

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    http://yetl.yabesh.ir/yetl1/handle/yetl/118265
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    contributor authorA. Kahraman
    contributor authorG. W. Blankenship
    date accessioned2017-05-08T23:52:42Z
    date available2017-05-08T23:52:42Z
    date copyrightMarch, 1997
    date issued1997
    identifier issn0021-8936
    identifier otherJAMCAV-26407#217_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/118265
    description abstractA number of experiments on a physical system with clearance having combined parametric and external forcing excitation are presented. The data demonstrate several nonlinear phenomena that exist in periodically excited oscillators subject to clearance at a contact interface. Jump discontinuities in forced response curves are shown to exist and subharmonic resonances which are formed by period-n (nT) motions with n ≥ 2 are demonstrated. Long-period subharmonic motions with periods as long as nine times the excitation period are reported. Finally, several cases of measured chaotic motions are also illustrated through time-traces, phase portraits, Fourier spectra, and Poincare plots which form strange attractors.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleExperiments on Nonlinear Dynamic Behavior of an Oscillator With Clearance and Periodically Time-Varying Parameters
    typeJournal Paper
    journal volume64
    journal issue1
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.2787276
    journal fristpage217
    journal lastpage226
    identifier eissn1528-9036
    keywordsClearances (Engineering)
    keywordsMotion AND Spectra (Spectroscopy)
    treeJournal of Applied Mechanics:;1997:;volume( 064 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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