Quite a few of the failures in engineering components are caused by stress concentrations located in notches. A reduction of these notch stresses will result in high fatigue resistance of a component. This is obtained by modifying the shape of the notch by applying a design rule which is based on the axiom of uniform stress. Using a combination of latter axiom and the finite element method, an optimization tool has been developed, which is used optimize the shape of notches. In this paper an extract of a parameter study will be presented, which compares several shoulder fillets of a shaft, which was subjected to bending, concerning the stress reduction obtained by the fillets.


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    Title :

    Notches without Notch Stresses: An Application of Biological Optimization Mechanisms on Engineering Components


    Additional title:

    Sae Technical Papers


    Contributors:
    Mattheck, C. (author) / Scherrer, M. (author)

    Conference:

    Automotive and Transportation Technology Congress and Exposition ; 2001



    Publication date :

    2001-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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