A Bilayer Model for Incorporating the Coupled Effects of Surface Energy and Microstructure on the Electromechanical Stability of NEMS

Soroush, Rahman. and Koochi, Ali. and Keivani, Maryam. and Abadyan, Mohamadreza. (2017) A Bilayer Model for Incorporating the Coupled Effects of Surface Energy and Microstructure on the Electromechanical Stability of NEMS. International Journal of Structural Stability and Dynamics, 17 (4).

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Abstract

Herein, the static and dynamic pull-in instabilities of nanotweezers and nanoswitches fabricated from conductive cylindrical nanowires are studied. A bilayer model based on the Gurtin-Murdoch surface elasticity and the consistent couple stress theory is developed to incorporate the coupled effects of surface energy and microstructure phenomenon. The differential quadrature method is employed to solve the nonlinear governing equation of the system. The effects of various parameters on the static and dynamic pull-in parameters and stability threshold of the nanostructures are demonstrated. © 2017 World Scientific Publishing Company.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: couple stress theory, cylindrical nanowire, dynamic pull-in instability, Nanoelectromechanical systems (NEMS) ,surface effect
Subjects: W General medicine- Health professions > W.20.55 H9 special topics A-Z (Human expenmentation)
Divisions: Reserach Vice-Chancellar Department
Depositing User: zahra bagheri .
Date Deposited: 20 Jun 2017 05:49
Last Modified: 17 Feb 2018 06:30
URI: http://eprints.skums.ac.ir/id/eprint/146

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