Controlling the effects of modal interactions in ultrasonic cutting devices

A. Cardoni, M. L. Lucas, M. Cartmell, F.C.N. Lim

Research output: Contribution to conferencePaperpeer-review


Modal interactions, and particularly combination resonances, are characteristic of ultrasonic devices driven at high power in a longitudinal mode. Such behaviour has been modelled previously parametrically excited simple structures such beams and bars, and it is possible to demonstrate that ultrasonic devices can exhibit dynamic responses that are qualitatively similar to theoretical models autoparametric systems. In this study, modal interactions are measured, and the benefits designing systems with a reduced number of modes are demonstrated.
Original languageEnglish
Number of pages8
Publication statusPublished - 6 Sep 2003
EventWorld Congress on Ultrasonics - Paris, France
Duration: 1 Sep 20036 Sep 2003


ConferenceWorld Congress on Ultrasonics


  • modal interactions
  • ultrasonic devices
  • dynamic responses


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