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Prediction of acoustic radiation from axisymmetric surfaces with arbitrary boundary conditions using the boundary element method on a distributed computing system.

Wright, L; Robinson, S P; Humphrey, V* (2009) Prediction of acoustic radiation from axisymmetric surfaces with arbitrary boundary conditions using the boundary element method on a distributed computing system. J. Acoust. Soc. Am., 125 (3). pp. 1374-1383.

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Abstract

This paper presents a computational technique using the boundary element method for prediction of radiated acoustic waves from axisymmetric surfaces with non-axisymmetric boundary conditions. The aim is to predict the far field behaviour of underwater acoustic transducers based on their measured behaviour in the near field. The technique is valid for all wavenumbers and uses a volume integral method to calculate the singular integrals required by the boundary element formulation. The technique has been implemented on a distributed computing system to take advantage of its parallel nature, which has led to significant reductions in the time required to generate results. Measurement data generated by underwater acoustic transducers operating at 13.9 kHz and 27.5 kHz have been used to validate the technique against experiment.

Item Type: Article
Subjects: Acoustics
Acoustics > Underwater Acoustics
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4330

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