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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), pp. 47-64. (doi:10.1016/0022-460X(83)90678-8).

Record type: Article


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.

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Published date: 8 May 1983


Local EPrints ID: 166465
ISSN: 0022-460X
PURE UUID: caef266b-c81c-4ace-b26c-87a4a0f5a579

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Date deposited: 29 Oct 2010 10:31
Last modified: 18 Jul 2017 12:25

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