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  1. Analysis of pull-in instability of electrostatically actuated carbon nanotubes using the homotopy perturbation method

Analysis of pull-in instability of electrostatically actuated carbon nanotubes using the homotopy perturbation method

Fakhrabadi, M. M. S ; Sharif University of Technology | 2013

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  1. Type of Document: Article
  2. DOI: 10.2140/jomms.2013.8.385
  3. Publisher: 2013
  4. Abstract:
  5. This paper analyzes the deflection and pull-in behaviors of cantilever and doubly clamped carbon nanotubes (CNTs) under electrostatic actuation using the homotopy perturbation method. The effects of electrostatic force and interatomic interactions on the deflection and pull-in instabilities of CNTs with different lengths, diameters, and boundary conditions are investigated in detail. The results reveal that larger diameters and shorter lengths result in higher pull-in voltages. Moreover, CNTs with doubly clamped boundary conditions, in comparison with cantilever boundary conditions, are more resistant to pull-in
  6. Keywords:
  7. Carbon nanotubes ; Nanoelectromechanical systems ; Electrostatic actuation ; Homotopy Perturbation Method (HPM) ; Interatomic interactions ; Pull-in ; Pull-in instability ; Pull-in phenomenon ; Pull-in voltage ; Boundary conditions ; Electrostatic actuators ; Nanocantilevers ; NEMS
  8. Source: Journal of Mechanics of Materials and Structures ; Volume 8, Issue 8-10 , 2013 , Pages 385-401 ; 15593959 (ISSN)
  9. URL: http://msp.org/jomms/2013/8-8/p01.xhtml