This paper presents a review of recent research investigations on the computer modelling of flexible bodies in railroad vehicle systems. The paper will also discuss the influence of the structural flexibility of various components, including the wheelset, the truck frames, tracks, pantograph/catenary systems, and car bodies, on the dynamics of railroad vehicles. While several formulations and computer techniques for modelling structural flexibility are discussed in this paper, a special attention is paid to the floating frame of reference formulation which is widely used and leads to reduced-order finite-element models for flexible bodies by employing component modes synthesis techniques. Other formulations and numerical methods such as semi-analytical approaches, absolute nodal coordinate formulation, finite-segment method, boundary elements method, and discrete elements method are also discussed. This investigation is motivated by the fact that the structural flexibility can have a significant effect on the overall dynamics of railroad vehicles, ride comfort, vibration suppression and noise level reduction, lateral stability, track response to vehicle forces, stress analysis, wheel–rail contact forces, wear and crashworthiness.


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    Titel :

    Modelling of structural flexiblity in multibody railroad vehicle systems


    Beteiligte:

    Erschienen in:

    Vehicle System Dynamics ; 51 , 7 ; 1027-1058


    Erscheinungsdatum :

    2013-07-01


    Format / Umfang :

    32 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :



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    Escalona, Jose L. / Sugiyama, Hiroyuki / Shabana, Ahmed A. | Tema Archiv | 2013



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