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Nonlinear dynamic analysis of SWNTs conveying fluid using nonlocal continuum theory
Seyed Ali Hosseini Kordkheili,Taha Mousavi,Hamid Bahai 국제구조공학회 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.66 No.5
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.
Nonlinear dynamic analysis of SWNTs conveying fluid using nonlocal continuum theory
Kordkheili, Seyed Ali Hosseini,Mousavi, Taha,Bahai, Hamid Techno-Press 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.66 No.5
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.