A new model for stability analysis of electromechanical nano-actuator based on Gurtin-Murdoch and consistent couple-stress theories

Keivani, Maryam. and Koochi, Ali. and Abadyan, Mohamadreza. (2016) A new model for stability analysis of electromechanical nano-actuator based on Gurtin-Murdoch and consistent couple-stress theories. JOURNAL OF VIBROENGINEERING, 18 (3). pp. 1406-1416.

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Abstract

Herein, the pull-in instability of cantilever NEMS is studied considering the presence of dispersion forces and squeezed film damping. Recently developed consistent couple stress theory in combination with the Gurtin-Murdoch elasticity is employed to incorporate the coupled effects of size phenomena and surface energy. The governing equation was solved using Rayleigh-Ritz method. Effects of various parameters including surface layer, size dependency, dispersion forces and damping on the pull-in characteristics of the nano-actuator are discussed.

Item Type: Article
Uncontrolled Keywords: consistent couple stress theory (CCST); pull-in; surface energy; damping
Subjects: QT physiology
Divisions: Reserach Vice-Chancellar Department
Depositing User: Users 1 not found.
Date Deposited: 16 Jul 2017 06:00
Last Modified: 17 Feb 2018 07:07
URI: http://eprints.skums.ac.ir/id/eprint/1196

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