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Hybrid SEA Modeling Scheme for Analysis of High-frequency Noise in Passenger Car

Article of Honda R&D Technical Review Vol.16 No.1

Summary

A hybrid SEA modeling method has been developed and applied to increase the accuracy of SEA model for a passenger car. This paper will discuss the detailed workflow of the modeling method and the method employed to verify the accuracy of the model during development. In addition, to provide an example of the high level of accuracy of results, the paper will discuss a road noise (interior cavity sound pressure level.) analysis conducted with a complete vehicle SEA model constructed using the method.

Reference

(1) Onsay, T., et al.: Transmission of Structure-Borne Road Noise in a Mid-size Car: Statistical Energy Analysis (SEA), NOISE-CON 98, Ypsilanti, Michigan (1998)
(2) Dong, B., et al.: Road noise modeling using statistical energy analysis, Proc. SAE N&V Conf. (1995)
(3) Misaji, K., et al.: Analysis of Vehicle Road-Noise Using Statistical Energy Analysis, JSAE Conference, No. 71-99, 9939730, p. 9-12 (1999) (in Japanese)
(4) Lyon R. H., Dejong R. G.: Theory and Application of Statistical Energy Analysis, Butterworth-Heinemann (1995)
(5) Misaji, K., et al.: Development of a Hybrid SEA Modeling Scheme for a Passenger Car, 2003 SAE World Congress (2003)
(6) Misaji, K., et al.: Testing Uniqueness of Hybrid SEA Modeling Solution for a Passenger Car, 2003 SAE Noise & Vibration Conference & Exhibition (2003)

Author (organization or company)

Kazuhito MISAJI(Tochigi R&D Center)、Hiroko TADA(Tochigi R&D Center)、Tsuyoshi YAMASHITA(Tochigi R&D Center)

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