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A vibration model of Besocke-style scanners is given based on Timoshenko beam theory. The model is applied to investigate the flexural vibration characteristics of piezotubes in the scanners, in which the effects of affiliated components of the piezo-tubes are considered. The calculated results show that several factors in addition to the piezo-tubes themselves influence the flexural vibration frequencies...
Nonlinear contact-impact dynamic behavior of high-power ultrasonic processing systems is studied in experiment and theory. Firstly, nonlinear contact-impact vibrations in a high-power ultrasonic processing system are studied experimentally. Then a finite element method is used to analyze the observed experimental phenomena, in which a 2D axisymmetric model is developed, and the nonlinear contact-impact...
In this paper, the experimental and theoretical studies on the excitations of the subharmonic vibration in metal plates by the intensive ultrasonic pulses injected via an ultrasonic horn are presented. A series of experiments is performed to study the subharmonic vibration behaviors of rectangular stainless steel plates. The experimental results show that the excitations of the subharmonics change...
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