Design of and fabrication improvements to the cymbal transducer aided by finite element analysis

Richard Joseph Meyer, Jr., W. Jack Hughes, Thomas C. Montgomery, Douglas C. Markley, Robert E. Newnham

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

A miniature flextensional transducer, the "cymbal," is an emerging underwater transducer technology for large area and restricted volume transmit and receive arrays. The performance of the device is being evaluated for a number of applications requiring a large number of elements. Simple design, low cost and the ability to tailor performance to the desired application are attractive features of the cymbal. Analysis of the fabrication and performance of the cymbal has revealed that the benefits of the cymbal's flexible design also present production concerns. Asymmetry in the cavity depth or epoxy layer can result in unwanted resonances that can detract from the in-water performance. To avoid these spurious resonances, tolerances in cavity depth could be as low as 5 μm, resulting in low production yields. These and other fabrication concerns have been analyzed through experiment and finite element modeling software using the ATILA code. We were able to identify ways of improving manufacturing yields and minimizing variances to accommodate large array production. The origins of the spurious resonances are discussed along with the performance of a prototype array.

Original languageEnglish (US)
Pages (from-to)163-174
Number of pages12
JournalJournal of Electroceramics
Volume8
Issue number2
DOIs
StatePublished - Aug 1 2002

Fingerprint

Transducers
transducers
Finite element method
Fabrication
fabrication
cavities
Water
emerging
manufacturing
prototypes
asymmetry
Costs
computer programs
Experiments
water

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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Design of and fabrication improvements to the cymbal transducer aided by finite element analysis. / Meyer, Jr., Richard Joseph; Hughes, W. Jack; Montgomery, Thomas C.; Markley, Douglas C.; Newnham, Robert E.

In: Journal of Electroceramics, Vol. 8, No. 2, 01.08.2002, p. 163-174.

Research output: Contribution to journalArticle

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