Finite element formulations for acoustical radiation


Astley, R.J. and Eversman, W. (1983) Finite element formulations for acoustical radiation. Journal of Sound and Vibration, 88, (1), 47-64. (doi:10.1016/0022-460X(83)90678-8).

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Description/Abstract

Finite and infinite element techniques are applied to linear acoustical problems involving infinite anechoic boundaries. Theory is presented for a simple one dimensional model based on Webster's horn equation. Results are then presented both for the one dimensional model and for two axisymmetric test cases. Comparisons with exact solutions indicate that both the infinite element and wave envelope schemes are effective in correctly predicting the near field. The wave envelope scheme is also shown to be capable of resolving the far field radiation pattern.

Item Type: Article
ISSNs: 0022-460X (print)
1095-8568 (electronic)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Fluid Dynamics and Acoustics
ePrint ID: 166465
Date Deposited: 29 Oct 2010 10:31
Last Modified: 27 Mar 2014 19:18
URI: http://eprints.soton.ac.uk/id/eprint/166465

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