In this paper, a new technology for the design of silent transaxles is developed, where topography optimization is adopted and an artificial parameter called β is proposed as an objective function, representing an upper bound of the surface velocity. The strategy of the optimization is to minimize β while getting the surface velocities less than β. as the constraints. A numerical example of reducing transaxle's radiated noise by using the new optimization technology is given in the paper. In the example, an entire Ford transaxle system was modeled numerically, where most internal components were included. First a modal frequency velocity analysis was conducted. Then an acoustic power analysis based on the Acoustic Transfer Vector (ATV) was carried out. Finally, a topography optimization based on the β - method for the transaxle was performed to minimize the radiated noise.


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    Titel :

    A Topographically Structural Optimization Methodology for Improving Noise Radiation in Transaxles


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ramnath, Das. M. (Autor:in) / Dai, Yang (Autor:in)

    Kongress:

    SAE 2007 Noise and Vibration Conference and Exhibition ; 2007



    Erscheinungsdatum :

    15.05.2007




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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