The objective of this work is to use inverse simulations on measured vehicle data in order to estimate the aerodynamic loads on a bus when exposed to crosswind situations. Tyre forces, driver input, wind velocity and vehicle response were measured on a typical coach when subjected to natural crosswind gusts. Based on these measurements and a detailed MBS vehicle model, the aerodynamic loads were estimated through inverse simulations. In order to estimate the lift force, roll and pitch moments in addition to the lateral force and yaw moment, the simulation model was extended by also incorporating the estimation of the vertical road disturbances. The proposed method enables the estimation of aerodynamic loads due to crosswind gusts without using a full scale wind tunnel adapted for crosswind excitation.


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    Titel :

    Aerodynamic loads on buses due to crosswind gusts: extended analysis


    Beteiligte:
    Drugge, Lars (Autor:in) / Juhlin, Magnus (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 48 , sup1 ; 287-297


    Erscheinungsdatum :

    2010-12-01


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




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    Directional stability of buses under influence of crosswind gusts

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