Automotive Floor Sound Package Design Using Statistical Energy Analysis

Abstract:

An increasing demand for vehicle noise control has been proposed and at the same time, vehicle weight and fuel economy have become critical for the automotive industry. The methodology of statistical energy analysis (SEA) is used to balance both light weight and high noise insulation performance. In this paper, the floor system which is one of the major paths for vehicle interior noise is studied with two sound package systems, the original floor insulation system and the lightweight one. The vehicle floor system is modeled by SEA and its transmission loss (TL) is analyzed. The results show that under certain sound package coverage, the TL of the floor system with the lightweight sound package is a little larger than the TL with the lightweight one. However, the lightweight sound package system has better absorption property and the advantage of weight reduction. Finally, in order to get the better TL, the sound package design is performed.

• Periodical: Applied Mechanics and Materials (Volumes 670-671)
• Pages: 1102-1105
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.670-671.1102
• Online since: October 2014
• Authors: Ju Yue Ding, Jian Wang Shao*
• Keywords: Automotive Floor, Sound Package, Statistical Energy Analysis

References

[1] C.T. Musser. SAE paper. 2003-01-1571.

[2] Q. Zhang, A. Parret, C. Wang, D. Wang and M. Huang. SAE paper. 2005-01-2427.

[3] R.H. Lyon and R.G. DeJong. Butterworth-Heinemann, 2nd edition, (1995).

[4] M.J. Moeller and R.E. Powell. Proceedings of NOISE-CON 98, paper 565, Apirl (1998).

[5] Information on http: /www. esi-group. com/products/vibro-acoustics/va-one.

[6] Z. Yu, D. Rauchholz and S.T. Raveendra, SEA paper, 2003-01-1404.