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http://dx.doi.org/10.12989/scs.2011.11.1.059

Forced vibration of an embedded single-walled carbon nanotube traversed by a moving load using nonlocal Timoshenko beam theory  

Simsek, Mesut (Yildiz Technical University, Department of Civil Engineering, Davutpasa Campus)
Publication Information
Steel and Composite Structures / v.11, no.1, 2011 , pp. 59-76 More about this Journal
Abstract
Dynamic analysis of an embedded single-walled carbon nanotube (SWCNT) traversed by a moving nanoparticle, which is modeled as a moving load, is investigated in this study based on the nonlocal Timoshenko beam theory, including transverse shear deformation and rotary inertia. The governing equations and boundary conditions are derived by using the principle of virtual displacement. The Galerkin method and the direct integration method of Newmark are employed to find the dynamic response of the SWCNT. A detailed parametric study is conducted to study the influences of the nonlocal parameter, aspect ratio of the SWCNT, elastic medium constant and the moving load velocity on the dynamic responses of SWCNT. For comparison purpose, free vibration frequencies of the SWCNT are obtained and compared with a previously published study. Good agreement is observed. The results show that the above mentioned effects play an important role on the dynamic behaviour of the SWCNT.
Keywords
vibration; nonlocal Timoshenko beam theory; carbon nanotubes; moving loads;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By Web Of Science : 11  (Related Records In Web of Science)
Times Cited By SCOPUS : 8
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