A combined thermo-mechanical model for calculating tire power loss has been developed at GMR. This paper presents the techniques for developing the realistic finite element models needed in both the thermal and deformation portions of the combined model. It also describes the techniques used in calculating deformed tire shapes.First, procedures are outlined for automatically generating a finite element discretization of a tire. Then, this discretization, together with information about the properties of tire materials, is used to develop a finite element model of the tire. This model is used in MSC NASTRAN to calculate compliances, i.e., the response of the tire to inflation and to unit loads applied at points on the tire surface, These compliances are then used in an algorithm which calculates the deformed shape of a tire loaded against the pavement surface. Sample results are presented to show the agreement between calculated and measured tire deformation.


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    Titel :

    Modeling Tire Deformation for Power Loss Calculations


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Whicker, Donald (Autor:in) / Rohde, Steve M. (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1981



    Erscheinungsdatum :

    01.02.1981




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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