In this paper, numerical simulation has been used to predict the noise inside tracked vehicles. To determine the interaction forces between running track system and the chassis hull of a tracked vehicle, a rigid multi-body tracked vehicle mode, which includes the track moving system, was constructed and simulated using ADAMS software. Finite element (FE) and boundary element (BE) models of the chassis hull of a tracked vehicle were created and adopted to perform the vibro-acoustic analysis. Correlation between the FE and BE models and physical measurements proved sufficiently good that the models could be used to predict the interior noise in a tracked vehicle. The structural frequency dynamic response was determined using the software MSC/NASTRAN. The interior noise was predicted using the software SYSNOISE. The predicted noise levels in a tracked vehicle have been found to be in good agreement with physical measurements.


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    Title :

    Prediction of noise inside tracked vehicles


    Additional title:

    Berechnung von Geräuschen im Innenraum von Kettenfahrzeugen


    Contributors:
    Liu, Z.S. (author) / Lu, C. (author) / Wang, Y.Y. (author) / Lee, H.P. (author) / Koh, Y.K. (author) / Lee, K.S. (author)

    Published in:

    Applied Acoustics ; 67 , 1 ; 74-91


    Publication date :

    2006


    Size :

    18 Seiten, 23 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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