PREDICTION OF LOW FREQUENCY SOUND PRESSURE DISTRIBUTION INSIDE A VEHICLE PASSENGER COMPARTMENT FROM ITS STRUCTURAL DYNAMIC RESPONSE.

J. W. Dunn*, O. A. Olatunbosun, B. Mills

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This paper describes a study of the mechanism of noise generation by vibrating structures. A theory is developed from the 'simple-source' theory for the propagation of sound from a vibrating structure, provided that the vibration profile of the structure is known in detail. Experimental computer-based control and analysis techniques have been developed on an on-line basis to apply the theory developed to vehicle body structures. Some results from a simple box structure and a small sports saloon car structure are presented to illustrate the techniques and demonstrate the level of accuracy achieved by comparing experimental and theoretical results.

Original languageEnglish
Pages (from-to)11-16
Number of pages6
JournalJournal of the Society of Environmental Engineers
Volume19
Issue number3
Publication statusPublished - 1 Jan 1980

ASJC Scopus subject areas

  • Engineering(all)

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