The location of wagon gravity centre (WGC) has a significant effect on the wheel-rail contact force. For the sake of improving the curving performance of a freight wagon, it is necessary to optimise the location of WGC by shifting the position of cargo or adopting the balance weight. This paper proposes a data analysis methodology that demonstrates the safe distribution scope of WGC based on the results of dynamics simulations. A general model of the loaded wagon is built using the multibody dynamics software VI-Rail. The simulation conditions are designed to achieve the analog of vehicle running circumstances in reality. The simulation results under various conditions provide us full evidence to demarcate the safe locations of WGC and derive the Pareto-optimal solutions. The methodology presented in the paper can be applied to an arbitrary case of railway freight transportation to promote the vehicle running safety.


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    Title :

    Optimising the location of wagon gravity centre to improve the curving performance


    Contributors:
    Zhang, Duo (author) / Tang, Yinying (author) / Sun, Zhongyang (author) / Peng, Qiyuan (author)

    Published in:

    Vehicle System Dynamics ; 60 , 5 ; 1627-1641


    Publication date :

    2022-05-04


    Size :

    15 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




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