Vibrational analysis of armchair phosphorene nanotubes by a DFT-based finite element model

被引：8

作者：

Rouhi, Saeed ^{[1
]}

Shahnazari, Ayoub ^{[2
]}

Ansari, Reza ^{[2
]}

机构：

[1] Islamic Azad Univ, Langarud Branch, Young Researchers & Elite Club, Langarud, Guilan, Iran

[2] Univ Guilan, Dept Mech Engn, POB 3756, Rasht, Iran

来源：

ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING | 2018年 / 18卷 / 02期

关键词：

Vibrational behavior; Armchair phosphorene nanotube; Finite element model; STABILITY CHARACTERISTICS; ANODE MATERIAL; BEHAVIOR;

D O I：

10.1016/j.acme.2017.10.004

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A finite element model based upon the density functional theory is developed to investigate the vibrational characteristics of armchair phosphorene nanotubes. To this end, the P-P bonds are simulated by beam elements whose elastic properties are obtained from the analogy of molecular and structural mechanics. The effects of nanotube length, diameter and boundary conditions on the frequencies of armchair phosphorene nanotubes are evaluated. It is shown that the effect of nanotube radius on its natural frequency is weakened by increasing the nanotube aspect ratio. Comparing the first ten frequencies of armchair phosphorene nanotubes with different diameters, it is observed that the effect of diameter on the vibrational behavior of phosphorene nanotubes is more pronounced at higher modes. (c) 2017 Politechnika Wroclawska. Published by Elsevier Sp. z o.o. All rights reserved.

引用

页码：611 / 621

页数：11

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