NDLI: Simulation to design car interior trims based on NVH performance

Content Provider	IEEE Xplore Digital Library
Author	Xin Chen Dengfeng Wang Weizhe Liu Yingchun Han
Copyright Year	2008
Description	Author affiliation: Coll. of Vocational Technol., Hebei Normal Univ., Shijiazhuang, China (Weizhe Liu) \|\| Dept. of Ind. Design, Jilin Univ., Changchun, China (Xin Chen; Dengfeng Wang; Yingchun Han)
Abstract	The simulation method to design car interior trims based on NVH performance is introduced in this paper. An SEA (statistical energy analysis) model with all the parameters was built based on a domestic car. The inputs of interior noise were got by the combination method of roads testing and other simulations. The sound pressure levels in the engine bay and at driver¿s ear in some running conditions were measured. And the inputs to auto-body from engine mounts were also measured. The aerodynamic pressure and suspensions inputs to panels in high speed were simulated. The accuracy of this model was validated by the results of software. Then, the simulation expressed that the interior high noise of a car can be reduced by adding the sound insulation and absorption in interior trims design. The research of this paper covered all the effects of aerodynamics, engine inputs and the suspensions inputs together. The interior trims design is very significant to improve the NVH (noise vibration & harshness) performance using SEA simulation. And the research of this paper can be used to direct the application of trims materials in car interior trims design.
Starting Page	499
Ending Page	503
File Size	3248269
Page Count	5
File Format	PDF
ISBN	9781424432905
DOI	10.1109/CAIDCD.2008.4730619
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	boundary element method Design methodology Roads Sea measurements Aerodynamics Engines Acoustic noise Ear simulation model finite Element method Pressure measurement NVH performance Suspensions Testing
Content Type	Text
Resource Type	Article

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