Modal analysis of semi-trailer BIW

Siyuan Wu; Min Wang; Yanbin Qin; Lei Yan; Hao Ge

doi:10.1117/12.2662625

16 December 2022 Modal analysis of semi-trailer BIW

Siyuan Wu, Min Wang, Yanbin Qin, Lei Yan, Hao Ge

Proceedings Volume 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022); 125001T (2022) https://doi.org/10.1117/12.2662625
Event: 5th International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 2022, Chongqing, China

Abstract

The BIW of a semi-trailer was chosen for this study, and the finite element model of this BIW was established, achieved the modal parameters by both simulation and test. It found out that the frequencies between simulation and test are quite different. To find out the reason of the difference, designed an airbag tooling which can provide more accurate free mode boundary, carried out modal experiment again. Turned out the deviation between simulation and test are very small, which shows that the modal test boundary has a great influence on the results and the airbag tooling designed in this paper can effectively improve the accuracy of modal test. It also shows that the FEA modeling method and analysis method are feasible, which can provide a reference basis for the structural design and dynamic characteristic optimization of BIW.

Citation Download Citation

Siyuan Wu, Min Wang, Yanbin Qin, Lei Yan, and Hao Ge "Modal analysis of semi-trailer BIW", Proc. SPIE 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 125001T (16 December 2022); https://doi.org/10.1117/12.2662625

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