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http://dx.doi.org/10.12989/scs.2012.12.6.491

Nonlinear cylindrical bending of functionally graded carbon nanotube-reinforced composite plates  

Kaci, Abdelhakim (Laboratoire des Materiaux et Hydrologie, Universite de Sidi Bel Abbes)
Tounsi, Abdelouahed (Laboratoire des Materiaux et Hydrologie, Universite de Sidi Bel Abbes)
Bakhti, Karima (Laboratoire des Materiaux et Hydrologie, Universite de Sidi Bel Abbes)
Adda Bedia, El Abbas (Laboratoire des Materiaux et Hydrologie, Universite de Sidi Bel Abbes)
Publication Information
Steel and Composite Structures / v.12, no.6, 2012 , pp. 491-504 More about this Journal
Abstract
In this paper, the nonlinear cylindrical bending of simply supported, functionally graded nanocomposite plates reinforced by single-walled carbon nanotubes (SWCNTs), is studied. The plates are subjected to uniform pressure loading in thermal environments and their geometric nonlinearity is introduced in the strain-displacement equations based on Von-Karman assumptions. The material properties of SWCNTs are assumed to be temperature-dependent and are obtained from molecular dynamics simulations. The material properties of functionally graded carbon nanotube-reinforced composites (FG-CNTCRs) are assumed to be graded in the thickness direction, and are estimated through a micromechanical model. The governing equations are reduced to linear differential equation with nonlinear boundary conditions yielding a simple solution procedure. Numerical results are presented to show the effect of the material distribution on the deflections and stresses.
Keywords
plate; nano-composites; analytical modeling; functionally graded materials;
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