多重边界约束对三壁碳纳米管振动特性的影响

doi:10.3969/j.issn.1007-2861.2013.07.012

Abstract

Abstract: Vibration characteristics of triple-walled carbon nanotubes (TWCNTs) with multiple boundary constraints are studied. TWCNTs are modeled as a coupling Euler beam system in which the inner, middle and outer tubes are simulated as 3 single beam, respec- tively. They are coupled through van der Waals interaction. Besides, different boundary conditions are imposed on the three beams. The effect of FFC multiple boundary con- straints on the vibration characteristics of TWCNTs are analyzed. The results show that FFC multiple boundary constraints can reduce resonant frequencies of TWCNTS, espe- cially on the lower modes. Meanwhile, it is also found that this effect will be weakened with the increase of the length of TWCNTs.

Key words: triple-walled carbon nanotubes, natural frequencies, vibration, triple-walled carbon nanotubes, natural frequencies, vibration

CLC Number:

TB 383.1

WU Bing-jie, PENG Xiang-wu, LIU Liang, WANG Qing-zhan, GUO Xing-ming. Effect of Multiple Boundary Constraints on Vibration Characteristics of Triple-Walled Carbon Nanotubes[J]. Journal of Shanghai University（Natural Science Edition）, 2014, 20(2): 199-206.

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Effect of Multiple Boundary Constraints on Vibration Characteristics of Triple-Walled Carbon Nanotubes

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