The highly competitive auto industry is looking for ways to reduce product development cycle time while meeting the corporate and government stringent vehicle performance requirements. Quasi-static or dynamic analytical fatigue life assessment of automotive structures consumes more time because of the use of long proving ground time histories and large finite element models with more than a million elements. A representative static load case that highlights all the durability concern locations is needed for making fast design iterations. This paper describes a simple technique to extract a static load case that correlates to minimum fatigue life at various locations of the body structure and the method of using this load case for fast iterations before validating the final design with fatigue analysis using full proving ground loads. The usefulness of this static load case in solving sheet metal and spot weld fatigue issues is demonstrated with an example.


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    Titel :

    Practical Approach for Fast Durability Analysis & Iterations


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Agrawal, H. (Autor:in) / Pal, K. (Autor:in) / Perumalswami, P. (Autor:in) / Potukutchi, R. (Autor:in)

    Kongress:

    SAE 2006 World Congress & Exhibition ; 2006



    Erscheinungsdatum :

    03.04.2006




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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