Thermal effect on the pull-in instability of functionally graded micro-beams subjected to electrical actuation

Jia, X.L., Zhang, S.M., Ke, L.L., Yang, J. and Kitipornchai, S. (2014) Thermal effect on the pull-in instability of functionally graded micro-beams subjected to electrical actuation. Composite Structures, 116 1: 136-146. doi:10.1016/j.compstruct.2014.05.004

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Author Jia, X.L.
Zhang, S.M.
Ke, L.L.
Yang, J.
Kitipornchai, S.
Title Thermal effect on the pull-in instability of functionally graded micro-beams subjected to electrical actuation
Journal name Composite Structures   Check publisher's open access policy
ISSN 0263-8223
1879-1085
Publication date 2014-09-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.compstruct.2014.05.004
Open Access Status File (Author Post-print)
Volume 116
Issue 1
Start page 136
End page 146
Total pages 11
Place of publication Camden, London, United Kingdom
Publisher Elsevier
Collection year 2015
Language eng
Abstract The thermal effect on the pull-in instability of functionally graded micro-beams under the combined electrostatic force, temperature change and Casimir force is studied based on Euler-Bernoulli beam theory and von Kármán geometric nonlinearity. Take into consideration the temperature-dependency of the effective material properties, the Voigt model and exponential distribution model is used to simulate the material properties of the functionally graded materials (FGMs). Principle of virtual work is used to derive the nonlinear governing differential equation which is then solved using the differential quadrature method (DQM). A parametric study is conducted to show the significant effects of material composition, temperature change, geometric nonlinearity and Casimir force.
Keyword Casimir force
Functionally graded materials
Micro beam
Pull-in instability
Temperature change
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2015 Collection
 
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