Structural Engineering and Mechanics

  • 제66권5호
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  • Pages.621-629
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  • 2018
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Nonlinear dynamic analysis of SWNTs conveying fluid using nonlocal continuum theory

  • 투고 : 2017.05.16
  • 심사 : 2018.03.15
  • 발행 : 2018.06.10
⟨ 이전 논문 다음 논문 ⟩

초록

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.

키워드

참고문헌

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