Advanced application-motivated design techniques for high performance piezocomposite underwater sonar transducers and arrays

Sandy Cochran, Christine E Demore, Pablo Marin, Richard Marsh, Keith Mayne, Graeme McRobbie, Michelle Wallace, Mark P Walsh, Richard Wright

Research output: Contribution to journalArticle

Abstract

Developments in areas as diverse as advanced piezoelectric materials and low cost digital electronics continue to offer new possibilities to the designer of high performance underwater sonartransducers and arrays. Many of these are likely to be realised with complex composite materials comprising a polymer matrix with rods of piezoelectricceramic such as PZT 5H or crystal such as PMN‐PT which require advanced design techniques. This paper first briefly reviews relevant capabilities of conventional equivalent circuit and wave equation transducer models, and the composite homogenisation technique of Smith and Auld. The increasing possibilities offered by finite element analysis (FEA) running on relatively low‐cost computing hardware are also considered. Whichever design technique is adopted, accurate material properties are crucial and this is reported through reference to a range of piezoelectric and passive materials. The potential variation of such properties across the operating temperature range of underwater transducers is also considered, illustrated with experimental measurements. As understanding of high performance transducer structures grows, future possibilities also become evident, such as the 3‐1 connectivity multilayer composite. The paper is therefore completed with an outline of these complex structures and a stochastic mathematical technique that can be used to optimise their designs automatically
Original languageUndefined/Unknown
Pages (from-to)3013-3013
Number of pages1
JournalThe Journal of the Acoustical Society of America
Volume123
Issue number5
Publication statusPublished - 2008

Cite this

Cochran, Sandy ; Demore, Christine E ; Marin, Pablo ; Marsh, Richard ; Mayne, Keith ; McRobbie, Graeme ; Wallace, Michelle ; Walsh, Mark P ; Wright, Richard. / Advanced application-motivated design techniques for high performance piezocomposite underwater sonar transducers and arrays. In: The Journal of the Acoustical Society of America. 2008 ; Vol. 123, No. 5. pp. 3013-3013.
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Cochran, S, Demore, CE, Marin, P, Marsh, R, Mayne, K, McRobbie, G, Wallace, M, Walsh, MP & Wright, R 2008, 'Advanced application-motivated design techniques for high performance piezocomposite underwater sonar transducers and arrays' The Journal of the Acoustical Society of America, vol. 123, no. 5, pp. 3013-3013.

Advanced application-motivated design techniques for high performance piezocomposite underwater sonar transducers and arrays. / Cochran, Sandy; Demore, Christine E; Marin, Pablo; Marsh, Richard; Mayne, Keith; McRobbie, Graeme; Wallace, Michelle; Walsh, Mark P; Wright, Richard.

In: The Journal of the Acoustical Society of America, Vol. 123, No. 5, 2008, p. 3013-3013.

Research output: Contribution to journalArticle

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AU - Demore, Christine E

AU - Marin, Pablo

AU - Marsh, Richard

AU - Mayne, Keith

AU - McRobbie, Graeme

AU - Wallace, Michelle

AU - Walsh, Mark P

AU - Wright, Richard

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