Buckling and post-buckling of size-dependent piezoelectric timoshenko nanobeams subject to thermo-electro-mechanical loadings

Liu, C, Ke, L, Yang, Y, Yang, J and Kitipornchai, S 2013, 'Buckling and post-buckling of size-dependent piezoelectric timoshenko nanobeams subject to thermo-electro-mechanical loadings', International Journal of Structural Stability and Dynamics, vol. 14, no. 3, 1350067, pp. 1-22.


Document type: Journal Article
Collection: Journal Articles

Title Buckling and post-buckling of size-dependent piezoelectric timoshenko nanobeams subject to thermo-electro-mechanical loadings
Author(s) Liu, C
Ke, L
Yang, Y
Yang, J
Kitipornchai, S
Year 2013
Journal name International Journal of Structural Stability and Dynamics
Volume number 14
Issue number 3
Article Number 1350067
Start page 1
End page 22
Total pages 22
Publisher World Scientific Publishing Co
Abstract Buckling and post-buckling behaviors of piezoelectric nanobeams are investigated by using the nonlocal Timoshenko beam theory and von Kármán geometric nonlinearity. The piezoelectric nanobeam is subjected to an axial compression force, an applied voltage and a uniform temperature rise. After constructing the energy functionals, the nonlinear governing equations are derived by using the principle of minimum total potential energy and discretized by using the differential quadrature (DQ) method. A direct iterative method is employed to determine the buckling and post-buckling responses of piezoelectric nanobeams with hinged-hinged, clamped-hinged and clamped-clamped end conditions. Numerical examples are presented to study the influences of the nonlocal parameter, temperature rise and external electric voltage on the size-dependent buckling and post-buckling responses of piezoelectric nanobeams.
Subject Numerical Modelling and Mechanical Characterisation
Solid Mechanics
Keyword(s) Piezoelectric nanobeams
buckling
post-buckling
nonlocal theory
size effect
DOI - identifier 10.1142/S0219455413500673
Copyright notice © 2014 World Scientific Publishing Co. All rights reserved.
ISSN 0219-4554
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