A nonlocal integral Timoshenko beam model for free vibration analysis of SWCNTs under thermal environment

被引：4

作者：

Liani, Mohamed ^{[1
]}

Moulay, Noureddine ^{[1
]}

Bourada, Fouad ^{[2
,3
]}

Addou, Farouk Yahia ^{[2
]}

Bourada, Mohamed ^{[2
]}

Tounsi, Abdelouahed ^{[2
,4
]}

Hussain, Muzamal ^{[5
]}

机构：

[1] Univ Djilali Liabes Sidi Bel Abbes, Fac Sci Exactes, Dept Phys, Sidi Bel Abbes 22000, Algeria

[2] Univ Djillali Liabes Sidi Bel Abbes, Fac Technol, Civil Engn Dept, Mat & Hydrol Lab, Sidi Bel Abbes, Algeria

[3] Univ Tissemsilt, Dept Sci & Technol, BP 38004, Ben Hamouda, Algeria

[4] Yonsei Univ, YFL Yonsei Frontier Lab, Seoul, South Korea

[5] Govt Coll Univ Faisalabad, Dept Math, Faisalabad 38000, Pakistan

来源：

ADVANCES IN MATERIALS RESEARCH-AN INTERNATIONAL JOURNAL | 2022年 / 11卷 / 01期

关键词：

nonlocal continuum theory; nonlocal integral Timoshenko beam model; singled walled carbon nanotubes (SWCNTs); small-scale effect; thermal effect; vibration characteristics; WALLED CARBON NANOTUBES; CRITICAL BUCKLING LOAD; SHEAR DEFORMATION; YOUNGS MODULUS; FINITE-ELEMENT; DYNAMIC CHARACTERISTICS; MOLECULAR-DYNAMICS; FORCED VIBRATIONS; GRAPHENE SHEETS; SURFACE-ENERGY;

D O I：

10.12989/amr.2022.11.1.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the nonlocal integral Timoshenko beam model is employed to study the free vibration characteristics of singled walled carbon nanotubes (SWCNTs) including the thermal effect. Based on the nonlocal continuum theory, the governing equations of motion are formulated by considering thermal effect. The influences of small scale parameter, the chirality of SWCNTs, the vibrational mode number, the aspect ratio of SWCNTs and temperature changes on the thermal vibration properties of single-walled nanotubes are examined and discussed. Results indicate significant dependence of natural frequencies on the nonlocal parameter, the temperature change, the aspect ratio and the chirality of SWCNTs. This work should be useful reference for the application and the design of nanoelectronics and nanoelectromechanical devices that make use of the thermal vibration properties of SWCNTs.

引用

页码：1 / 22

页数：22

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