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《Journal of Vibration and Shock》 2015-06
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Resonance features of a new ultrasonic vibration focusing system based on longitudinal-flexural vibration conversion

LI Hua;REN Kun;YIN Zhen;ZHAO Jiang-jiang;XIE Ou;Lü Zi-qiang;College of Mechanical Engineering,Suzhou University of Science and Technology;College of Mechanical and Electrical Engineering,Henan University of Technology;  
Here,a new ultrasonic vibration focusing system composed of a longitudinal vibration transducer and a thin spherical shell was proposed based on the principle of longitudinal-flexural vibration conversion. The resonance property of the new system was analyzed by means of the plate-shell theory,FEM method and tests. It was shown that the new system has two resonance patterns named complete resonance and incomplete resonance; under the incomplete resonance pattern,the system has two states of whole resonance and local resonance. The system design method was proposed for different resonance states based on the study results,it was of importance for the design and application of the new focusing system.
【Fund】: 国家自然科学基金资助项目(51075288)
【CateGory Index】: TB53
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