A physically based computational model for the analysis of noise radiated from rolling tires has been presented in this contribution. The fundamentals of the underlying numerical methods for the study of tire dynamics and the sound radiation have been described. The contribution focuses on the representation of the overall computational strategy and the employed numerical methods with respect to the simulation of tire/ road noise. The overall model has been implemented adopting advanced state-of-the-art simulation techniques. This enables a detailed analysis of the tire/road system, rendering goal-oriented investigations of certain effects of the noise generation and radiation possible (e.g. constructional parameters of the tire, driving velocity, road roughness, impedance, etc.). Simulations of the tire/road noise have been presented for frequencies up to 850 Hz and rather coarse discretizations of the tire/road system have been used. In order to simulate the tire/road noise within the relevant frequency range up to 1.5 Hz in a reliable way, the discretizations have to be refined. This further increases the demands regarding the efficiency of the methods used in the computational model. Priority of future work is given to the appropriate validation of the current model. Therefore, measurements of different tire models rolling on a drum will be performed, monitoring the tire vibrations as well as the radiated sound. These will be compared to simulations with the same assembly as the real tires. The present work demonstrate the computability of the suggested approach. The next step will focus on a sequential refinement of the finite element model based on the results from laboratory experiments. Additional effects, such as frequency dependent material behavior, slip-stick contact, and treat-pattern impact, will be addressed in a subsequent step.


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    Titel :

    A finite element approach for the simulation of tire rolling noise


    Weitere Titelangaben:

    Eine Finite Elemente Ansatz zur Simulation des Rollgeräusches von Reifen


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2008


    Format / Umfang :

    20 Seiten, 19 Bilder, 1 Tabelle, 22 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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