Nowadays, one of the concerns of vehicle safety is the bus rollover due to the great number of injured and deaths. The torsion stiffness of the bus structure is a parameter of security against rollover. The torsion behaviour of the bus structure is studied from a dynamic point of view. In this paper, a dynamic free vibration model, based on the Holzer method, of a bus body is proposed. Modes and natural vibration frequencies have been obtained applying the proposed model and compared with those calculated by means of a Finite Element Model (FEM) of the bus structure, which has been validated by experimental static torsion tests. Results show that the natural frequencies and modes using the proposed dynamic model agree with those obtained with the FEM.


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    Title :

    Simplified dynamic torsional model of an urban bus




    Publication date :

    2009


    Size :

    13 Seiten, 9 Bilder, 4 Tabellen, 15 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Simplified dynamic torsional model of an urban bus

    Babe,A.G. / Boada,M.J. / Boada,B.L. et al. | Automotive engineering | 2009


    Torsional vibration simplified

    White, T.S. | Engineering Index Backfile | 1944


    Torsional vibration simplified

    White, T.S. | Engineering Index Backfile | 1944


    Torsional vibration simplified

    White, T.S. | Engineering Index Backfile | 1944


    Torsional vibration simplified

    White, T.S. | Engineering Index Backfile | 1944