Abstract
In this study, nonlocal nonlinear buckling analysis of embedded polymeric temperature-dependent microplates resting on an elastic matrix as orthotropic temperature-dependent elastomeric medium is investigated. The microplate is reinforced by single-walled carbon nanotubes (SWCNTs) in which the equivalent material properties of nanocomposite are estimated based on the rule of mixture. Due to magnetic properties of SWCNTs, the structure is subjected to magnetic field. For the Carbon-nanotube reinforced composite (CNTRC) plate, both cases of Uniform distribution (UD) and Functionally graded (FG) distribution patterns of SWCNT reinforcements are consid- ered. The small size effects of microplate are considered based on Eringen's nonlocal theory. Based on orthotropic Mindlin plate theory along with von Karman geometric nonlinearity and Hamilton's principle, the governing equations are derived. Generalized differential quadrature method (GDQM) is applied for obtaining the buckling load of system. The effects of different parameters such as magnetic field, nonlocal parameters, volume fractions of SWCNTs, distribution type of SWCNTs in polymer, elastomeric medium, aspect ratio and temperature are considered on the nonlinear buckling of the microplate. Results indicate that the buckling load increases with in- creasing magnetic field.
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