The low frequency multi-linear spectrum vibration control study of cylindrical shell through a semi-analytical method

被引:14
作者
Du, Yuan [1 ,2 ]
Tang, Yang [3 ]
Zou, Yucheng [3 ]
Wang, Yichun [4 ]
Pang, Fuzhen [3 ]
Jia, Fuxin [1 ]
Ma, Yong [1 ,2 ]
Wang, Shijie [4 ]
机构
[1] Sun Yat sen Univ, Sch Marine Engn & Technol, Zhuhai 519000, Peoples R China
[2] Guangdong Lab Zhuhai, Southern Marine Sci & Engn, Zhuhai 519000, Peoples R China
[3] Harbin Engn Univ, Coll Shipbuilding Engn, Harbin 150001, Peoples R China
[4] Harbin Engn Univ, Yantai Res Inst, Yantai 264000, Peoples R China
基金
中国国家自然科学基金;
关键词
Cylindrical shell; Forced vibration; Multiple resonance peaks; Vibration control; Dynamic vibration absorbers; NATURAL FREQUENCIES; SOUND-SCATTERING;
D O I
10.1016/j.tws.2023.111521
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Dynamic vibration absorber is efficient in controlling low frequency vibration of cylindrical shell, which is meaningful for engineering practice. However, the efficiency of designing dynamic vibration absorber using traditional method is low. This paper demonstrates a semi-analytical method for designing dynamic vibration absorber of cylindrical shell. The convergence analysis presented in the research proves the accuracy of the current method when handling different edge constraints through limited truncation numbers. Additionaly, forced vibration and control of multi-line spectrum vibration of cylindrical shell have also been studied. The comparison between FEM and current method shows a significant improvement when handling equivalent mass, which is a key process when designing dynamic vibration absorbers. Finally, an intriguing relationship is discovered when controlling multiple resonance peaks through a single dynamic vibration absorber. The semi-analytical method described in this paper may be beneficial when controlling the vibration of cylindrical shell structures in the further research.
引用
收藏
页数:13
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