An engineering model for rolling contact fatigue (RCF) of railway wheels is developed. Three well-known types of fatigue in wheels - surface-initiated fatigue, subsurfaceinitiated fatigue and fatigue initiated at deep material defects - are accounted for. Fatigue impact is quantified by three fatigue indices expressed in analytical form. The model can easily be integrated in a multibody dynamics code without significantly increasing computational demands. A powerful tool for optimizing train-track configurations with respect to fatigue performance should result. In this paper, theoretical foundations, benefits and limitations of the model are presented. An example of a postprocessing analysis of data from a dynamic simulation of train-track interaction is given.


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    Title :

    An engineering model for prediction of rolling contact fatigue of railway wheels


    Contributors:
    Ekberg, A. (author) / Kabo, E. (author) / Andersson, H. (author)


    Publication date :

    2002


    Size :

    11 Seiten, 23 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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