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    Influence of Wheel/Rail Contact Geometry on Large Amplitude Wheelset Equations of Motion

    Source: Journal of Dynamic Systems, Measurement, and Control:;1981:;volume( 103 ):;issue: 003::page 211
    Author:
    T. D. Burton
    DOI: 10.1115/1.3140631
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The nonlinear equations of motion and velocities of creep of a simply restrained wheelset on tangent track are derived for the case of large amplitude motion including flange contact. The nonlinearities considered are those arising from the wheel/rail contact geometry. It is shown that during flange contact the lateral creep velocity may differ by as much as 30-40 percent when compared to that calculated using the usual creep velocity models. Furthermore, the use of the equations of rolling and vertical motion as a means of defining the wheel/rail normal constraint forces results in the inclusion in the dynamic model of several effects not usually included. The equations of motion which result for the lateral translation and yaw of the wheelset contain substantially different loadings than those used in most models. The attendant effect on wheelset stability may be significant.
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      Influence of Wheel/Rail Contact Geometry on Large Amplitude Wheelset Equations of Motion

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    http://yetl.yabesh.ir/yetl1/handle/yetl/94351
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    contributor authorT. D. Burton
    date accessioned2017-05-08T23:10:45Z
    date available2017-05-08T23:10:45Z
    date copyrightSeptember, 1981
    date issued1981
    identifier issn0022-0434
    identifier otherJDSMAA-26067#211_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/94351
    description abstractThe nonlinear equations of motion and velocities of creep of a simply restrained wheelset on tangent track are derived for the case of large amplitude motion including flange contact. The nonlinearities considered are those arising from the wheel/rail contact geometry. It is shown that during flange contact the lateral creep velocity may differ by as much as 30-40 percent when compared to that calculated using the usual creep velocity models. Furthermore, the use of the equations of rolling and vertical motion as a means of defining the wheel/rail normal constraint forces results in the inclusion in the dynamic model of several effects not usually included. The equations of motion which result for the lateral translation and yaw of the wheelset contain substantially different loadings than those used in most models. The attendant effect on wheelset stability may be significant.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleInfluence of Wheel/Rail Contact Geometry on Large Amplitude Wheelset Equations of Motion
    typeJournal Paper
    journal volume103
    journal issue3
    journal titleJournal of Dynamic Systems, Measurement, and Control
    identifier doi10.1115/1.3140631
    journal fristpage211
    journal lastpage218
    identifier eissn1528-9028
    treeJournal of Dynamic Systems, Measurement, and Control:;1981:;volume( 103 ):;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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