Analysis of eigenfrequencies in piezoelectric transducers using the finite element method

Henrik Jensen

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    It is noted that the finite-element method is a valuable supplement to the traditional methods for design of novel transducer types because it can determine the vibrational pattern of piezoelectric transducers and is applicable to any geometry. Computer programs for analysis of axisymmetric transducers, which include the complete set of piezoelectric equations, have been included. They can find eigenfrequencies for undamped transducers and perform forced-response analysis for transducers with internal and radiation damping. The superelement technique is used to model the transducer backing in an efficient way. Examples ranging from a freely vibrating disk to a real focused transducer with a conical backing are presented
    Original languageEnglish
    Title of host publicationIEEE Ultrasonics Symposium Proceedings
    VolumeVolume 1
    Publication date1988
    Publication statusPublished - 1988
    Event1988 IEEE Ultrasonics Symposium - Chicago, IL
    Duration: 1 Jan 1988 → …


    Conference1988 IEEE Ultrasonics Symposium
    CityChicago, IL
    Period01/01/1988 → …

    Bibliographical note

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