Automobile Interior Noise Reduction Using Finite Element Methods 780365
Low-frequency interior noise in the automobile passenger compartment can be significantly affected by the vibration behavior of the body panels which surround the enclosed cavity. This paper reviews a finite element method for computing panel-excited interior noise and outlines an approach for identifying potentially noisy panels adjacent to the passenger compartment. To illustrate the potential of the analytical method, it is applied to a production automobile. A structural modification suggested by the procedure is shown to significantly reduce the low-frequency interior noise to which the occupant is exposed. Experimental verification of the method is presented.
Citation: Nefske, D. and Howell, L., "Automobile Interior Noise Reduction Using Finite Element Methods," SAE Technical Paper 780365, 1978, https://doi.org/10.4271/780365. Download Citation
Author(s):
Donald J. Nefske, Larry J. Howell
Affiliated:
Engineering Mechanics Dept., General Motors Research Labs Warren, MI
Pages: 11
Event:
1978 Automotive Engineering Congress and Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
SAE 1978 Transactions-V87-A
Related Topics:
Interior noise
Body panels
Passenger compartments
Vibration
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