On the vibration of double-walled carbon nanotubes using molecular structural and cylindrical shell models

被引：14
作者：
Ansari, R. [1 ]
Rouhi, S. [2 ]
Aryayi, M. [1 ]
机构：
[1] Univ Guilan, Dept Mech Engn, POB 3756, Rasht, Iran
[2] Islamic Azad Univ, Langroud Branch, Young Researchers & Elite Club, Langroud, Guilan, Iran
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2016年 / 30卷 / 05期
关键词：
Vibrations; double-walled carbon nanotubes; molecular structural model; continuum shell model; FINITE-ELEMENT MODEL; DER-WAALS FORCES; ELASTIC PROPERTIES; SINGLE; CONTINUUM;
D O I：
10.1142/S0217979216500077
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The vibrational behavior of double-walled carbon nanotubes is studied by the use of the molecular structural and cylindrical shell models. The spring elements are employed to model the van der Waals interaction. The effects of different parameters such as geometry, chirality, atomic structure and end constraint on the vibration of nanotubes are investigated. Besides, the results of two aforementioned approaches are compared. It is indicated that by increasing the nanotube side length and radius, the computationally efficient cylindrical shell model gives rational results.
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页数：20
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