Natural characteristics calculation and analysis of fiber reinforced truncated conical shell

被引：0
|
作者：
Xu, Zhuo [1 ,3 ]
Xu, Peiyao [1 ]
Zheng, Lisheng [2 ]
Li, Hui [3 ,4 ]
Li, He [3 ,4 ]
Gu, Dawei [4 ,5 ]
He, Mingyang [1 ]
Han, Qingkai [3 ,4 ]
Wen, Bangchun [3 ,4 ]
机构：
[1] School of Mechanical Engineering, Northeast Electric Power University, Jilin,132011, China
[2] Wenzhou Institute of Industry and Science, Zhejiang, Wenzhou,325028, China
[3] School of Mechanical Engineering and Automation, Northeastern University, Shenyang,110819, China
[4] Key Laboratory of Vibration and Control of Aero-Propulsion System Ministry of Education, Northeastern University, Shenyang,110819, China
[5] School of mechanical engineering, Zhejiang University of Technology, Hangzhou,310014, China
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2024年 / 39卷 / 11期
关键词：
Aerodynes - Composite structures - Fiber reinforced plastics - Laminated composites - Natural fibers - Polynomials - Shells (structures);
D O I：
10.13224/j.cnki.jasp.20220876
中图分类号：
学科分类号：
摘要：
The natural characteristics of composite conical shells were calculated and verified by combining theory and experiment. Based on the classical lamination theory and considering the influence of anisotropy of composite structures，the theoretical model was established by introducing half-cone angle coefficients. Then，the natural characteristics of the structures were obtained by utilizing the Rayleigh-Ritz method and orthogonal polynomial method. A natural characteristic experiment system of composite conical shell was established and the natural characteristics were acquired. The results showed that the error between the calculated and test results was between 1.4% and 2.3%， which further verified the correctness of the proposed model. Finally，the influences of different parameters，such as the half cone angle，the boundary conditions and the fiber ply angles，on the natural characteristics of the structure were discussed. © 2024 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
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