Frequency veering and mode degeneration of a rectangular disc | Zendy

Brouet Francois | Zendy; Twiefel Jens | Zendy; Wallaschek Jörg | Zendy

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Frequency veering and mode degeneration of a rectangular disc

Author(s) -

Brouet Francois,

Twiefel Jens,

Wallaschek Jörg

Publication year - 2015

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.201510078

Subject(s) - modal , mode (computer interface) , acoustics , longitudinal mode , modal analysis , simple (philosophy) , ultrasonic sensor , welding , mechanics , materials science , physics , optics , computer science , mechanical engineering , engineering , vibration , composite material , operating system , laser , philosophy , epistemology

In typical applications as ultrasonic welding horns, the oscillators are designed to be driven in the longitudinal mode. Modal interactions occur at critical aspect ratios, resulting in a poor uniformity of the output surface and assessing the geometry as critical. In this contribution, a method is presented for a simple rectangular disc how to eliminate the modal interaction and decouple the longitudinal mode from other modes. (© 2015 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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