A calculation method of flexural vibration frequency for conical horn

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Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (7) : 198-204.

YAN Ri-ming1, LIU De-fu1,2, CHEN Tao1, SHE Yi-xi1

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Abstract

A method for the calculation of the flexural vibration frequency for conical horn is presented. Firstly, the initial flexural frequency values ignoring the effects of shear deformation and moment of inertia can be obtained based on the Euler-Bernoulli bar theory, and then the flexural vibration frequency is corrected including both of the effects. The FEM and the modal test show that the results obtained from the computing method agree the experimental results very well within 5% error. Besides, actively design of flexural vibration horn is achieved through the program based on the novel method.

Key words

conical horn / ultrasonic flexural vibration / natural frequency

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YAN Ri-ming1, LIU De-fu1,2, CHEN Tao1, SHE Yi-xi1. A calculation method of flexural vibration frequency for conical horn[J]. Journal of Vibration and Shock, 2016, 35(7): 198-204

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