Third ultraharmonic resonance of a Vibratory Stress Relief equipment combined linear springs

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (20) : 173-178.

LI Junming1,3, CAI Ganwei2, HUANG Yuanxing4, LI Yanzhou2

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Abstract

Ultraharmonic resonance of Vibratory Stress Relief (VSR) is an effective way to solve the resonance problem of high-frequency structures.However, the application of the process has hitherto been limited by complex manufactured process, nonlinear parameters, difficulty in controlling the nonlinear springs, and so on.To solve these problems, a VSR equipment combined linear springs was designed, which was marked by the use of linear springs to achieve ultraharmonic resonance.The nonlinear elastic properties were given based on the analysis of the mode and the vibration mechanism of the third ultraharmonic resonance was obtained by using the multi-scale method.The response of the high-frequency structure excited by the above third ultraharmonic resonance was analyzed based on simulation results of the finite element model.It was shown that the linear spring combination system can produce the third ultraharmonic resonance in the vertical direction and the high-frequency structure can be achieved primary resonance, which generalizes the known results of VSR.

Key words

Vibratory Stress Relief / third ultraharmonic resonance / high-frequency structures / combination of linear springs

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LI Junming1,3, CAI Ganwei2, HUANG Yuanxing4, LI Yanzhou2. Third ultraharmonic resonance of a Vibratory Stress Relief equipment combined linear springs[J]. Journal of Vibration and Shock, 2018, 37(20): 173-178

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