Predicting Noise From Structures Using Energy Methods

G. Stimpson

doi:10.1117/12.952928

31 July 1989 Predicting Noise From Structures Using Energy Methods

G. Stimpson

Proceedings Volume 1084, Stress and Vibration: Recent Developments in Industrial Measurement and Analysis; (1989) https://doi.org/10.1117/12.952928
Event: Sira/Stress and Vibration: Recent Developments in Measurement and Analysis, 1989, London, United Kingdom

Abstract

In dB(A) terms most practical structures (machines, engines, etc.) radiate the major proportion of their noise in the mid frequency range approximately 800 - 2500 Hz. In general, this is due to multimodal vibrations with a relatively high modal order and as such modelling using finite element or modal analysis techniques can be excessively complex. A much simpler, less detailed approach, using energy balance methods (Statistical Energy Analysis, etc.) is much more applicable to this type of vibration.

Citation Download Citation

G. Stimpson "Predicting Noise From Structures Using Energy Methods", Proc. SPIE 1084, Stress and Vibration: Recent Developments in Industrial Measurement and Analysis, (31 July 1989); https://doi.org/10.1117/12.952928

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