FREE VIBRATION ANALYSIS OF FLUID-CONVEYING CARBON NANOTUBE VIA WAVE METHOD

被引:19
|
作者
Zhang, Zijun [1 ]
Liu, Yongshou [1 ]
Li, Baohui [1 ]
机构
[1] Northwestern Polytech Univ, Dept Engn Mech, Xian 710072, Peoples R China
关键词
wave method; non-local elastic theory; natural frequency; critical flow velocity; DYNAMIC-ANALYSIS; ELASTICITY; STABILITY; FLOW;
D O I
10.1016/S0894-9166(15)60007-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The wave method is introduced to vibration analysis of the fluid-conveying carbon nanotube. The constitutive relation of carbon nanotube on micro-scale is founded using the non-local elastic theory. The governing equation on micro-scale is obtained. And the first five orders of the natural frequency of the carbon nanotube conveying fluid with various speeds are calculated through the wave method. Besides, the critical flow velocity when the carbon nanotube loses stability is obtained. Meanwhile, a contrast is made between the result obtained through the wave method and that in previous researches.
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页码:626 / 634
页数:9
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