Finite element method and local active control of enclosed sound fields (Paper 80931)
Finite element method and local active control of enclosed sound fields (Paper 80931)
In this paper we analyse, from a mathematical point of wiew an active noise control problem for a dissipative acoustic cavity. This problem consists of determining the amplitudes, phases and positions of several monopole sources (speakers) to minimize de noise level at some points due to a primary harmonic source, for example, the vibration of an elastic structure in contact with the fluid. The model of the system is the Helmholtz equation and the Active Control problem is set in the framework of mathematical optimal control theory of distributed systems. We propose a finite element method to obtain approximated solutions.
optimal control, FEM, noise reduction, active control
3-9501554-0-6
1-10
Bermudez, A.
27183172-1114-46d3-bbd9-141879027362
Gamallo, P.
4a10847b-5368-4f60-aab6-19a80b8556c9
Rodriguez, R.
7ba4d3ae-a71a-4e93-af30-34592ca72163
2002
Bermudez, A.
27183172-1114-46d3-bbd9-141879027362
Gamallo, P.
4a10847b-5368-4f60-aab6-19a80b8556c9
Rodriguez, R.
7ba4d3ae-a71a-4e93-af30-34592ca72163
Bermudez, A., Gamallo, P. and Rodriguez, R.
(2002)
Finite element method and local active control of enclosed sound fields (Paper 80931).
WCCM-V : Fifth World Congress on Computational Mechanics, Vienna, Austria.
06 - 11 Jul 2002.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
In this paper we analyse, from a mathematical point of wiew an active noise control problem for a dissipative acoustic cavity. This problem consists of determining the amplitudes, phases and positions of several monopole sources (speakers) to minimize de noise level at some points due to a primary harmonic source, for example, the vibration of an elastic structure in contact with the fluid. The model of the system is the Helmholtz equation and the Active Control problem is set in the framework of mathematical optimal control theory of distributed systems. We propose a finite element method to obtain approximated solutions.
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Published date: 2002
Venue - Dates:
WCCM-V : Fifth World Congress on Computational Mechanics, Vienna, Austria, 2002-07-06 - 2002-07-11
Keywords:
optimal control, FEM, noise reduction, active control
Identifiers
Local EPrints ID: 10271
URI: http://eprints.soton.ac.uk/id/eprint/10271
ISBN: 3-9501554-0-6
PURE UUID: 5841c0c6-640e-4479-9b80-73a23a6bd8b8
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Date deposited: 11 Feb 2005
Last modified: 11 Dec 2021 13:33
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Contributors
Author:
A. Bermudez
Author:
P. Gamallo
Author:
R. Rodriguez
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