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The measurement of structural wave intensity

Record type: Thesis (Doctoral)

In attempting to control vibration in structures it is desirable to be able to identify dominant paths of vibration transmission from sources (e.g. machines) through the structure to some point of interest. It is therefore necessary to be able to measure the vibration power flow at a point in a structure, possibly in the presence of large stationary wave amplitudes. By repeating measurements at many positions on a structure it should be possible to build up a pattern representing paths of significant power transmission. Several measurement methods have been investigated, both analytically and experimentally, to identify those most suitable for practical use. It has been shown that measurement dynamic range is the major limitation, and that this characteristic is governed by the instrumentation phase tolerances. Simplified methods have been shown to provide the best dynamic range coupled with acceptable accuracy in use. An electronic intensity meter, capable of narrow bandwidth measurements in real time, has been designed and constructed and results obtained on beam and plate type structures.

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Citation

Redman-White, William (1983) The measurement of structural wave intensity University of Southampton, Institute of Sound and Vibration Research, Doctoral Thesis , 239pp.

More information

Published date: August 1983
Organisations: University of Southampton

Identifiers

Local EPrints ID: 52320
URI: http://eprints.soton.ac.uk/id/eprint/52320
PURE UUID: 1757681a-c807-48d7-988d-3a62df5e5023

Catalogue record

Date deposited: 27 Aug 2008
Last modified: 17 Jul 2017 14:41

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Contributors

Author: William Redman-White
Thesis advisor: R.G. White

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