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Simulation to control the car interior noise in high frequency using SEA method

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4 Author(s)
Xin Chen ; State Key Laboratory of Automobile Dynamic Simulation, Jilin University, Changchun, 130022, China ; Xiaohua Geng ; Dengfeng Wang ; Zhengdong Ma

The SEA simulation method to reduce car interior noise in high frequency is introduced by the properties modification of door glass. An SEA (Statistical Energy Analysis) model of a domestic car was built. The inputs of interior noise were got by the roads testing and other simulations. The accuracy of this model was validated by the comparison results of testing and software. The following simulation expresses that the car interior noise implemented laminated door glass is better than the one using tempered door glass in high frequency, and the thicker glass is not useful obviously for reducing high frequency noise. If the total thickness and PVB (polyvinyl butyral) film are same and only modify the thickness of the outer glass and inner glass, the sound pressure level of car interior noise will be affected not so much. Compared to the application of tempered door glass, the application of laminated door glass can reduce the car interior noise efficiently in high frequency. And the research in this paper can be used to guide the car interior noise control using nonmetal materials in high frequency.

Published in:

Computer-Aided Industrial Design & Conceptual Design (CAIDCD), 2010 IEEE 11th International Conference on  (Volume:2 )

Date of Conference:

17-19 Nov. 2010