Techno Press

Steel and Composite Structures   Volume 26, Number 1, January10 2018, pages 1-15
Stochastic bending characteristics of finite element modeled Nano-composite plates
Shivaji G. Chavan (Corr. Author), Achchhe Lal

Abstract     [Full Text]
    This study reported, the effect of random variation in system properties on bending response of single wall carbon nanotube reinforced composite (SWCNTRC) plates subjected to transverse uniform loading is examined. System parameters such as the SWCNT armchair, material properties, plate thickness and volume fraction of SWCNT are modelled as basic random variables. The basic formulation is based on higher order shear deformation theory to model the system behavior of the SWCNTRC composite plate. A C0 finite element method in conjunction with the first order perturbation technique procedure developed earlier by the authors for the plate subjected to lateral loading is employed to obtain the mean and variance of the transverse deflection of the plate. The performance of the stochastic SWCNTRC composite model is demonstrated through a comparison of mean transverse central deflection with those results available in the literature and standard deviation of the deflection with an independent First Order perturbation Technique (FOPT), Second Order perturbation Technique (SOPT) and Monte Carlo simulation.
Key Words
    micromechanics model; random material properties; stochastic finite element method; Monte Carlo simulation
Department of Mechanical Engineering, S.V. National Institute Technology, Surat-395007, India

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