This paper discusses CAE simulation methods to predict the thermal induced buckling issues when vehicle body panels are subjected to the elevated temperature in e-coat oven. Both linear buckling analysis and implicit quasi-static analysis are discussed and studied using a quarter cylinder shell as an example. The linear buckling analysis could produce quick but non-conservative buckling temperature. With considering nonlinearity, implicit quasi-static analysis could predict a relative conservative critical temperature. In addition, the permanent deformations could be obtained to judge if the panel remains visible dent due to the buckling. Finally these two approaches have been compared to thermal bucking behavior of a panel on a vehicle going through thermal cycle of e-coat oven with the excellent agreement on its initial design and issue fix design. In conclusion, the linear buckling analysis could be used for quick thermal buckling evaluation and comparison on a series of proposals. The implicit quasi static analysis is must to conduct to determine if a body panel will buckle or not and how much permanent deformation may remain in any thermal circumstance.


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    Titel :

    Vehicle Body Panel Thermal Buckling Resistance Analysis


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Guo, Mingchao (Autor:in) / Stibich, Paul (Autor:in) / Bhandarkar, Ram (Autor:in) / Zhang, Weidong (Autor:in)

    Kongress:

    SAE 2014 World Congress & Exhibition ; 2014



    Erscheinungsdatum :

    01.04.2014




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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