The thermal effect on vibration of zigzag single walled carbon nanotubes using nonlocal Timoshenko beam theory

被引：62
|
作者：
Zidour, Mohamed [1 ,2 ]
Benrahou, Kouider Halim [1 ]
Semmah, Abdelwahed [3 ]
Naceri, Mokhtar [3 ]
Belhadj, Hichem Abdesselem [1 ]
Bakhti, Karima [1 ]
Tounsi, Abdelouahed [1 ]
机构：
[1] Univ Djillali Liabes Sidi Bel Abbes, Lab Mat & Hydrol, Sidi Bel Abbes 22000, Algeria
[2] Univ Ibn Khaldoun, Tiaret 14000, Algeria
[3] Univ Djillali Liabes Sidi Bel Abbes, Dept Phys, Sidi Bel Abbes 22000, Algeria
来源：
COMPUTATIONAL MATERIALS SCIENCE | 2012年 / 51卷 / 01期
关键词：
Single-walled carbon nanotubes; Nonlocal elasticity; Chirality; Thermal effect; TRANSVERSE VIBRATIONS; BUCKLING ANALYSIS; FORCED VIBRATION; ELASTICITY; MODELS; MECHANICS;
D O I：
10.1016/j.commatsci.2011.07.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Based on nonlocal theory of thermal elasticity mechanics, a nonlocal elastic Timoshenko beam model is developed for free vibration analysis of zigzag single-walled carbon nanotube (SWCNT) considering thermal effect. The nonlocal constitutive equations of Eringen are used in the formulations. The equivalent Young's modulus and shear modulus for zigzag SWCNT are derived using an energy-equivalent model. Results indicate significant dependence of natural frequencies on the temperature change as well as the chirality of zigzag carbon nanotube. These findings are important in mechanical design considerations of devices that use carbon nanotubes. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：252 / 260
页数：9
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