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Vibration characteristics of spoke-like vibration isolators with locally resonant photonic crystal plates
Zhao, H.; Y. Song and R. Liu
2017
发表期刊Zhendong yu Chongji/Journal of Vibration and Shock
卷号36期号:15
摘要Spoke-like vibration isolators composed of three-component photonic crystal plates were designed based on the locally resonant mechanism of vibration band gaps. The low-frequency vibration isolation characteristics of the designed isolators were investigated through vibration band gap calculation, finite element simulation and tests. The results showed that compared with a round base plate, a spoke-like base plate is more effective to obtain vibration amplitude attenuation in the frequency band gap range; periodic holes on the base plate of a spoke-like pillared photonic crystal plate can enlarge the band gap width by raising the cutoff frequency of the frequency band gap. Three bilateral cells were taken as basic units of double-side pillared plates, three isolators with one spoke-like plate, six isolators with two spoke-like plates and six isolators with three spoke-like plates were designed. Test results showed that the average vibration amplitude attenuations of the designed spoke-like vibration isolators with one, two and three spoke-like double-side pillared photonic crystal plates (DSPPCPs) can reach 24 dB, 34 dB and 38 dB, respectively; these structural designs and investigation results have a potential application prospect in the field of low-frequency vibration reduction. 2017, Editorial Office of Journal of Vibration and Shock. All right reserved.
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语种中文
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59473
专题中科院长春光机所知识产出
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Zhao, H.,Y. Song and R. Liu. Vibration characteristics of spoke-like vibration isolators with locally resonant photonic crystal plates[J]. Zhendong yu Chongji/Journal of Vibration and Shock,2017,36(15).
APA Zhao, H.,&Y. Song and R. Liu.(2017).Vibration characteristics of spoke-like vibration isolators with locally resonant photonic crystal plates.Zhendong yu Chongji/Journal of Vibration and Shock,36(15).
MLA Zhao, H.,et al."Vibration characteristics of spoke-like vibration isolators with locally resonant photonic crystal plates".Zhendong yu Chongji/Journal of Vibration and Shock 36.15(2017).
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