A variable amplitude computational fatigue life prediction method was developed for use with welded and/or non-welded components for use with the ground vehicle industry. The method is principally applicable to the pre-prototype and prototype iteration/optimization design stage. For welded components, the method incorporates the hot-spot stress approach developed by the European community for off-shore structures. For non-welded notched components, the method incorporates the local notch strain approach. Finite element stress-strain analysis using the ANSYS program combined with dynamic simulation utilizing the DADS program transforms a vehicle wheel input, in the form of a terrain surface description, to the principal hot spot stress or nominal principal strain at each node of interest as a function of time. Rainflow counting and linear damage accumulation along with specific material or weld classification properties are incorporated.


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    Titel :

    Computational fatigue life prediction of welded and non-welded ground vehicle components


    Weitere Titelangaben:

    Rechnergestuetzte Lebensdauervorhersage fuer geschweisste und nichtgeschweisste Teile von Kraftfahrzeugen


    Beteiligte:
    Stephens, R.I. (Autor:in) / Dopker, B. (Autor:in) / Haug, E.J. (Autor:in) / Baek, W.K. (Autor:in) / Johnson, L.P. (Autor:in) / Liu, T.S. (Autor:in)

    Erschienen in:

    SAE-Papers ; Oct ; 1-13


    Erscheinungsdatum :

    1987


    Format / Umfang :

    13 Seiten, 16 Bilder, 2 Tabellen, 35 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Computational Fatigue Life Prediction of Welded and Non-welded Ground Vehicle Components

    Dopker, B. / Haug, E.J. / Johnson, L.P. et al. | SAE Technical Papers | 1987


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