A study on vibration characteristics of a composite double-layer conical shell and annular plate coupling structure

被引：0
|
作者：
Shi D. [1 ]
Zhang Y. [1 ,2 ]
机构：
[1] College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin
[2] College of Engineering, Heilongjiang Bayi Agricultural University, Daqing
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2023年 / 42卷 / 12期
关键词：
composite laminated material; coupled structure; inherent properties; spectral geometry method; vibration response;
D O I：
10.13465/j.cnki.jvs.2023.12.036
中图分类号：
学科分类号：
摘要：
In this paper, the mathematical model of the vibration characteristics of a coupled structure of composite a double-layer conical shell and an annular plate under different boundary conditions was established by the spectral geometry method, and the displacement tolerance function was set by the improved Fourier series. The virtual boundary spring technique was used to simulate various boundary conditions by setting three sets of linear springs and two sets of torsional springs. The Hamiltonian principle was used to derive the characteristic equations of the vibration system of the cone-ring coupled structure by combining the continuity conditions at the connection of the coupled structure, and then the natural frequency and vibration response of the coupled structure were obtained. The correctness of the method in this paper was verified by comparing with the results obtained by the finite element method. Meanwhile, a relevant parametric study was carried out to analyze the influence of varied parameters on the vibration response of the coupled structure of the composite double-layer conical shell and the ring plate. © 2023 Chinese Vibration Engineering Society. All rights reserved.
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页码：317 / 325
页数：8
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