This paper describes a proposal of techniques on Transfer Path Analysis (TPA) to analyze transmission of vibration among the components in a complex structure. This proposal is evolved from the previous one [1] in the dimension which dominates the quality of the analysis in automotive body structure by TPA.The proper coordinate transformation was introduced to resolve the troublesome process on the application of the body structure in the previous proposal. The complications are caused by the treatment with a lot of transfer functions and transmitted forces at the conjunctions that are complexly assembled with many adjacent nodes.Dimension of the analytical region is expanded from two to three in this study. That is, from the cross section of interface of components to the structure itself where the vibration transmits between two components.Coordinate transformation of the transmission is expressed by modal degree of freedom of the component and this makes easy to understand the vibration transmission by the three-dimensional image. The proposed approach is verified by an application to a structure consisted of roof and pillars.


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    Titel :

    A Measures Planning Method by Analysis of Contribution of the Vibration Transfer Path


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE 2009 Noise and Vibration Conference and Exhibition ; 2009



    Erscheinungsdatum :

    2009-05-19




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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