DYNAMIC STABILITY ANALYSIS OF EMBEDDED MULTI-WALLED CARBON NANOTUBES IN THERMAL ENVIRONMENT

被引：33
|
作者：
Ansari, R. [1 ]
Gholami, R. [2 ]
Sahmani, S. [1 ]
Norouzzadeh, A. [1 ]
Bazdid-Vahdati, M. [1 ]
机构：
[1] Univ Guilan, Dept Mech Engn, Rasht, Iran
[2] Islamic Azad Univ, Lahijan Branch, Dept Mech Engn, Lahijan, Iran
来源：
ACTA MECHANICA SOLIDA SINICA | 2015年 / 28卷 / 06期
关键词：
multi-walled carbon nanotubes; dynamic stability; nonlocal elasticity; thermal environment; small scale effect; BUCKLING ANALYSIS; WAVE PROPAGATION; YOUNGS MODULUS; MODEL; BEAM; VIBRATION;
D O I：
10.1016/S0894-9166(16)30007-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present paper, the dynamic stability of multi-walled carbon nanotubes (MWCNTs) embedded in an elastic medium is investigated including thermal environment effects. To this end, a nonlocal Timoshenko beam model is developed which captures small scale effects. Dynamic governing equations of the carbon nanotubes are formulated based on the Timoshenko beam theory including the effects of axial compressive force. Then a parametric study is conducted to investigate the influences of static load factor, temperature change, nonlocal parameter, slenderness ratio and spring constant of the elastic medium on the dynamic stability characteristics of MWCNTs with simply-supported end supports.
引用
收藏
页码：659 / 667
页数：9
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