An effective multiscale approach for deformation analyses of carbon nanotube-based nanoswitches
Gu, YuanTong, Tan, Andy C. C., & Yarlagadda, Prasad K. (2008) An effective multiscale approach for deformation analyses of carbon nanotube-based nanoswitches. In Chiao, Jung-Chih & Hariz, Alex J. (Eds.) SPIE-Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems IV, 10 December 2008, Melbourne, Australia.
This paper aims to develop an effective multiscale simulation technique for the deformation analysis of nanotube-based nanoswitches. In the multiscale simulation, the key material parameters, (e.g., Young's modulus and moment of inertia) are extracted from the MD simulation which can explore the atomic properties. Then, the switches are simplified to continuum structure which is discretized and simulated by the advanced RBF meshfree formulation. The system of equations is nonlinear because the nonlinear loading is calculated from coupled the electrostatic, the elastostatic, and the van der Waals energy domains. Besides the normal deformation analysis, the pull-in voltage characteristics of different nanoswitches based on the double-walled nanotubes are analyzed. Comparing with the results in the literature and from experiments, it has proven that the developed multiscale approach is accurate and efficient.
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|Item Type:||Conference Paper|
|Keywords:||NEMS, Nanotube, Multiscale, Molecular dynamics, Meshfree|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500) > Interdisciplinary Engineering not elsewhere classified (091599)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2008 International Society for Optical Engineering (SPIE)|
|Copyright Statement:||This paper was published in [SPIE-Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems IV] and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.|
|Deposited On:||04 Feb 2009 13:45|
|Last Modified:||29 Feb 2012 23:44|
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