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Communication Dans Un Congrès Année : 2015

Medium frequency phenomena on heavy vehicles: experimental analysis and numerical applications

Résumé

Driveline vibrations of a truck are a cause of strong discomfort for drivers, and have to be investigated in pre-design phases. In order to develop numerical and analytical tools for the prediction of noise and vibration of such a complex structure, a deep knowledge of the physical phenomena involved is imperative. Few experimental studies have been performed on truck vibrations, and they mostly concerned single components of a vehicle. Therefore an Experimental Modal Analysis (EMA) of a complete truck has been performed in order to observe vibratory phenomena and determine influencing parameters involved in the vibration transmission. This study brings new insights into the field of truck vibrations. The results of the test campaign have been used for correlation with a numerical model and for the identification of dynamic behaviour and related frequency ranges. This work constitutes the preliminary part for an on-going project aiming at the development of reduced numerical models for the prediction of sound and vibration in truck cabins.
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Dates et versions

hal-03446526 , version 1 (24-11-2021)

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  • HAL Id : hal-03446526 , version 1

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Anna Rita Tufano, Etienne Laligant, Mohamed Ichchou, Olivier Bareille, Cyril Braguy, et al.. Medium frequency phenomena on heavy vehicles: experimental analysis and numerical applications. CFM 2015 - 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France. ⟨hal-03446526⟩
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