Structural Engineering and Mechanics

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Nonlinear dynamic analysis of SWNTs conveying fluid using nonlocal continuum theory

  • Received : 2017.05.16
  • Accepted : 2018.03.15
  • Published : 2018.06.10
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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.

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References

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