A method is presented for conservatively estimating a total fatigue life through a prediction of crack initiation life using the cumulative damage approach. The procedure is based upon the use of Neuber’s Rule, a cyclic stress-strain function, and a histogram of nominal linearly elastic equivalent strain. This provides for actual cyclic stress-strain definition and crack initation life prediction at a particular point on a cyclically loaded body. Linear finite element stress analysis plays a major role in the solution. An outline for computer-aided implementation and a case history are included.


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    Title :

    Theoretical Fatigue Life Prediction Using the Cumulative Damage Approach


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Fatigue Conference ; 1982



    Publication date :

    1982-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Theoretical fatigue life prediction using the cumulative damage approach

    Loverich,E.B. / Northern Arizona Univ.,Flagstaff,US | Automotive engineering | 1982


    Cumulative damage and fatigue life prediction

    KUTT, TU V. / BIENIEK, M. P. | AIAA | 1988