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http://dx.doi.org/10.12989/sem.2018.66.5.621

Nonlinear dynamic analysis of SWNTs conveying fluid using nonlocal continuum theory  

Kordkheili, Seyed Ali Hosseini (Aerospace Engineering Department, Sharif University of Technology)
Mousavi, Taha (Aerospace Engineering Department, Sharif University of Technology)
Bahai, Hamid (School of Engineering and Design, Brunel University)
Publication Information
Structural Engineering and Mechanics / v.66, no.5, 2018 , pp. 621-629 More about this Journal
Abstract
By employing the nonlocal continuum field theory of Eringen and Von Karman nonlinear strains, this paper presents an analytical model for linear and nonlinear dynamics analysis of single-walled carbon nanotubes (SWNTs) conveying fluid with different boundary conditions. In the linear analysis the natural frequencies and critical flow velocities of SWNTs are computed. However, in the nonlinear analysis the effect of nonlocal parameter on nonlinear dynamics of cantilevered SWNTs conveying fluid is investigated by using bifurcation diagram, phase plane and Poincare map. Numerical results confirm existence of chaos as well as a period-doubling transition to chaos.
Keywords
fluid conveying single-walled carbon nanotube; nonlocal continuum field theory; Von Karman nonlinear strain; chaos;
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Times Cited By KSCI : 3  (Citation Analysis)
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