Abstract
To meet the need of pedestrian protection and ensure the vehicle has good energy absorption when the head hit the windshield, the front windshield lower beam welding assembly was required to be designed open section. As a result, the vibration of the front windshield and firewall became strong, and the interior booming noise problem could be caused. In order to solve this problem, the simulation method was carried out to optimize the booming noise in this paper, the vibration of the front windshield and firewall was reduced by enhancing the windshield support structure, and meanwhile, the noise transfer function was improved. The improved solution was validated in real vehicle. The test also shows that enhancing windshield support structure can effectively improve the high-speed booming noise.
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Tonge G, Agrawal S (2013) Analysis of open plenum structure for reduction of booming noise. SAE Paper, 2013-01-0636
Yanan C, Zhou Q, Xu Y, Zhou Z, Liu H (2013) Vehicle interior booming noise control method based on simulation analysis. Annual Conference of Society of Automotive Engineers of China, 2013CN-NV044
Hwang C, Lee B, Jung P (2009) Reduction of interior booming noise for a small diesel engine vehicle without balance shaft module. SAE Paper, 2009-01-2121
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© 2015 Springer-Verlag Berlin Heidelberg
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Yanan, C., Feng, D., Zhang, P., Haoliu (2015). Optimization of Front Windshield Lower Beam Welding Assembly Based on NVH Performance. In: Proceedings of SAE-China Congress 2014: Selected Papers. Lecture Notes in Electrical Engineering, vol 328. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-45043-7_37
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DOI: https://doi.org/10.1007/978-3-662-45043-7_37
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-45042-0
Online ISBN: 978-3-662-45043-7
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