A failure analysis, based on fracture mechanics, may be useful for predicting the lifetime of a cord-reinforced rubber composite pneumatic tire. This paper presents a new three-dimensional Finite-Element (FE) local model to calculate the energy release rate at the belt edge region. The new local model uses a three-dimensional (3D) Finite Element Modeling (FEM) fracture analysis based on a steady-state rolling assumption, in conjunction with a global-local technique in ABAQUS. Within the local model, a J-integral variation study is performed in the crack region. This consists of a prediction of the crack propagation direction and a mesh density analysis fo the crack model. Furthermore, the study is used to determine the crack growth rate analysis. This study assumes that a flaw exists inside the tire, in the local model, due to a mechanical inhomogeneity introduced in the manufacturing of the tire. This paper also considers how different driving conditions, such as free-rolling, braking and traction, contribute to the detrimental effects of belt separation in tire failure.


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    Titel :

    Fatigue life prediction for cord-rubber composite tires using a global-local finite element method


    Weitere Titelangaben:

    Materialermüdungsvorhersage für aus Kordgummi zusammengesetzte Reifen mit global-lokaler finiter Elemente-Methode


    Beteiligte:
    Han, Y.H. (Autor:in) / Becker, Eric B. (Autor:in) / Fahrenthold, Eric P. (Autor:in) / Kim, D.M. (Autor:in)


    Erscheinungsdatum :

    2004


    Format / Umfang :

    18 Seiten, 16 Bilder, 3 Tabellen, 16 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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