Vibro-acoustic response of convected fluid loaded plates
Vibro-acoustic response of convected fluid loaded plates
This work demonstrates the effects that fluid convection has on the vibro-acoustic response of rectangular plates. The effects of fluid flow on the vibration and stability of plates is reasonably well understood. These effects include dramatic structural modal coupling along with static and dynamic instabilities. However, the resulting effect on sound radiation is not so well understood. The presentation will include a description of the fundamental physics associated with a simply supported, vibrating, rectangular plate in an infinite baffle and radiating into a semi-infinite, convected fluid. Then, simulation results will demonstrate the effects of flow-induced modal coupling and acoustic radiation. It will be demonstrated that convection can significantly increase the radiated sound power and dramatically affect the vibro-acoustic response.
p.2456
Frampton, Kenneth
4a9ee857-7b99-4240-a9f6-0c384b9b2a8c
2005
Frampton, Kenneth
4a9ee857-7b99-4240-a9f6-0c384b9b2a8c
Frampton, Kenneth
(2005)
Vibro-acoustic response of convected fluid loaded plates.
Journal of the Acoustical Society of America, 117 (4), .
Abstract
This work demonstrates the effects that fluid convection has on the vibro-acoustic response of rectangular plates. The effects of fluid flow on the vibration and stability of plates is reasonably well understood. These effects include dramatic structural modal coupling along with static and dynamic instabilities. However, the resulting effect on sound radiation is not so well understood. The presentation will include a description of the fundamental physics associated with a simply supported, vibrating, rectangular plate in an infinite baffle and radiating into a semi-infinite, convected fluid. Then, simulation results will demonstrate the effects of flow-induced modal coupling and acoustic radiation. It will be demonstrated that convection can significantly increase the radiated sound power and dramatically affect the vibro-acoustic response.
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Published date: 2005
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Local EPrints ID: 42256
URI: http://eprints.soton.ac.uk/id/eprint/42256
ISSN: 0001-4966
PURE UUID: 3796d785-73de-4faa-8e5d-4e74c08356ec
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Date deposited: 29 Nov 2006
Last modified: 11 Dec 2021 16:08
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Author:
Kenneth Frampton
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