A Practical Method for Noise Reduction in a Vehicle Passenger Compartment

[+] Author and Article Information
Seock Hyun Kim

Kangwon National University, Kangwon Do, Korea

Jang Moo Lee

Seoul National University, Kwanakgu, Seoul 151-742, Korea

J. Vib. Acoust 120(1), 199-205 (Jan 01, 1998) (7 pages) doi:10.1115/1.2893805 History: Received December 01, 1993; Online February 26, 2008


The structural-acoustic response of a vehicle passenger compartment is explicitly described in terms of the structural-acoustic modal coupling coefficients and modal parameters of the system. Based on the concept of the coupling coefficients and the contribution of the surrounding panels, a practical method for noise reduction is proposed. A computer program package was developed for the noise reduction and design modification and applied to a half scale simplified model for the vehicle compartment. The experimental results supported the effectiveness of the proposed method.

Copyright © 1998 by The American Society of Mechanical Engineers
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