Abstract
SolidWorks and ANSYS Workbench were used to establish solid model and perform FEM analysis of truck with and without sealing covers respectively. In the past practical production, there has been no precedent for the modal analysis of the truck carriage with a sealing cover; the modal analysis is carried out for the first time in this paper. The vibration characteristics of the truck carriage are obtained. The first ten-order of non-rigid mode of the newly development truck carriage is obtained and the excitation frequency range of the idling state of the engine is calculated to avoid resonating with the ground. In order to avoid the resonance phenomenon during the truck running, the vibration characteristics of the new carriage model were studied, the first ten non-rigid modes of the new carriage model were extracted, and the excitation frequency range of the engine during idling was calculated. The non-rigid natural frequencies of the first 10 free models are between 6.18 ∼ 26.74 Hz. The engine idling excitation frequency is 32.5 ∼ 145 Hz, and the common excitation frequency caused by road roughness is 3 Hz. In theory, it does not cause resonance when driving in a normal state.
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Jiao, A., Chen, F., Chen, X. et al. Structure Improvement of Truck Carriage with Sealing Cover. Int.J Automot. Technol. 21, 51–59 (2020). https://doi.org/10.1007/s12239-020-0006-y
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DOI: https://doi.org/10.1007/s12239-020-0006-y