In this paper, the influence of the Casimir force on two main parameters describing an instability point of cantilever type nanomechanical switches, which are the pull-in voltage and deflection are investigated by using a distributed parameter beam model. The nonlinear differential equation of the model is transformed into the integral form by using the Green’s function of the cantilever beam. The integral equation is solved analytically by assuming an appropriate shape function for the beam deflection. The detachment length and the minimum initial gap of the cantilever type switches are given, which are the basic design parameters for NEMS switches. The pull-in parameters of micromechanical electrostatic actuators are also investigated as a special case of our study by neglecting the Casimir effect.
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ASME 8th Biennial Conference on Engineering Systems Design and Analysis
July 4–7, 2006
Torino, Italy
ISBN:
0-7918-4249-5
PROCEEDINGS PAPER
Pull-In Parameters of Cantilever Type Nanomechanical Switches in Presence of Casimir Force
Asghar Ramezani,
Asghar Ramezani
Sharif University of Technology, Tehran, Iran
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Aria Alasty,
Aria Alasty
Sharif University of Technology, Tehran, Iran
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Javad Akbari
Javad Akbari
Sharif University of Technology, Tehran, Iran
Search for other works by this author on:
Asghar Ramezani
Sharif University of Technology, Tehran, Iran
Aria Alasty
Sharif University of Technology, Tehran, Iran
Javad Akbari
Sharif University of Technology, Tehran, Iran
Paper No:
ESDA2006-95316, pp. 955-962; 8 pages
Published Online:
September 5, 2008
Citation
Ramezani, A, Alasty, A, & Akbari, J. "Pull-In Parameters of Cantilever Type Nanomechanical Switches in Presence of Casimir Force." Proceedings of the ASME 8th Biennial Conference on Engineering Systems Design and Analysis. Volume 2: Automotive Systems, Bioengineering and Biomedical Technology, Fluids Engineering, Maintenance Engineering and Non-Destructive Evaluation, and Nanotechnology. Torino, Italy. July 4–7, 2006. pp. 955-962. ASME. https://doi.org/10.1115/ESDA2006-95316
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