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    Dynamic Characteristics of a Constrained String Translating Across an Elastic Foundation

    Source: Journal of Vibration and Acoustics:;1994:;volume( 116 ):;issue: 003::page 318
    Author:
    C. A. Tan
    ,
    L. Zhang
    DOI: 10.1115/1.2930431
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The free and forced linear response of a constrained string translating across an elastic foundation is examined in this paper. The transfer function method is used in the analysis. For the general problem, three subsystems are identified. The subsystems are coupled by physical constraints imposed at the subsystem interfaces. Free vibration analysis shows that eigenvalue loci exhibit veering characteristics and vibration modes are localized. These phenomena are due to the coupling of the subsystems. A third-order perturbation solution is also derived to examine the local characteristics of regions of curve veering. Studies on the wave propagation aspects show that the string/foundation medium can have propagating and amplitude-attenuating free vibration waves depending on the stiffness, location, and size of the elastic foundation. Moreover, the amount of shape distortion of a propagating wave at the constraint discontinuity depends also on the foundation stiffness.
    keyword(s): String , Waves , Free vibrations , Stiffness , Wave propagation , Shapes , Vibration , Eigenvalues AND Transfer functions ,
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      Dynamic Characteristics of a Constrained String Translating Across an Elastic Foundation

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/114641
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    contributor authorC. A. Tan
    contributor authorL. Zhang
    date accessioned2017-05-08T23:46:02Z
    date available2017-05-08T23:46:02Z
    date copyrightJuly, 1994
    date issued1994
    identifier issn1048-9002
    identifier otherJVACEK-28815#318_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/114641
    description abstractThe free and forced linear response of a constrained string translating across an elastic foundation is examined in this paper. The transfer function method is used in the analysis. For the general problem, three subsystems are identified. The subsystems are coupled by physical constraints imposed at the subsystem interfaces. Free vibration analysis shows that eigenvalue loci exhibit veering characteristics and vibration modes are localized. These phenomena are due to the coupling of the subsystems. A third-order perturbation solution is also derived to examine the local characteristics of regions of curve veering. Studies on the wave propagation aspects show that the string/foundation medium can have propagating and amplitude-attenuating free vibration waves depending on the stiffness, location, and size of the elastic foundation. Moreover, the amount of shape distortion of a propagating wave at the constraint discontinuity depends also on the foundation stiffness.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDynamic Characteristics of a Constrained String Translating Across an Elastic Foundation
    typeJournal Paper
    journal volume116
    journal issue3
    journal titleJournal of Vibration and Acoustics
    identifier doi10.1115/1.2930431
    journal fristpage318
    journal lastpage325
    identifier eissn1528-8927
    keywordsString
    keywordsWaves
    keywordsFree vibrations
    keywordsStiffness
    keywordsWave propagation
    keywordsShapes
    keywordsVibration
    keywordsEigenvalues AND Transfer functions
    treeJournal of Vibration and Acoustics:;1994:;volume( 116 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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