Free vibration analysis of rotating pre-twisted ceramic matrix carbon nanotubes reinforced blades

被引：18
|
作者：
Cheng, Hao [1 ]
Li, Chao-feng [1 ,2 ]
Jiang, Yulin [1 ]
机构：
[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang, Liaoning, Peoples R China
[2] Northeastern Univ, Minist Educ China, Key Lab Vibrat & Control Aeroprop Syst, Shenyang 110819, Liaoning, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2022年 / 29卷 / 14期
基金：
中国国家自然科学基金;
关键词：
Elastic boundary constraints; ceramic matrix composite; carbon nanotubes; rotate the pre-twisted blade; free vibration; COMPOSITE PLATES; NONLINEAR VIBRATION; CYLINDRICAL-SHELLS; FREQUENCY-ANALYSIS; TIMOSHENKO BEAMS;
D O I：
10.1080/15376494.2020.1849881
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel dynamic model for rotating pre-twisted carbon nanotubes reinforced composite (CNTRC) blades with elastic boundary constraints is established based on the first-order shear deformation theory (FSDT). The effects of Coriolis and centrifugal forces are considered in the formulation. Based on the Euler-Lagrange equations, the natural frequencies and vibration modes of a rotating pre-twisted blade are obtained. The model's accuracy is verified by comparing it with the results in the literature and Ansys. The influence of distributions of CNTs, pre-twist angle, rotation speed, and stagger angle on the vibration of the ceramic matrix CNTRC blade is studied in detail.
引用
收藏
页码：2040 / 2052
页数：13
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