Analysis of laminated composite plates using higher-order shear deformation plate theory and node-based smoothed discrete shear gap method

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Abstract

This paper presents a novel finite element formulation for static, free vibration and buckling analyses of laminated composite plates. The idea relies on a combination of node-based smoothing discrete shear gap method with the higher-order shear deformation plate theory (HSDT) to give a so-called NS-DSG3 element. The higher-order shear deformation plate theory (HSDT) is introduced in the present method to remove the shear correction factors and improve the accuracy of transverse shear stresses. The formulation uses only linear approximations and its implementation into finite element programs is quite simple and efficient. The numerical examples demonstrated that the present element is free of shear locking and shows high reliability and accuracy compared to other published solutions in the literature. © 2012 Elsevier Inc.

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Thai, C. H., Tran, L. V., Tran, D. T., Nguyen-Thoi, T., & Nguyen-Xuan, H. (2012). Analysis of laminated composite plates using higher-order shear deformation plate theory and node-based smoothed discrete shear gap method. Applied Mathematical Modelling, 36(11), 5657–5677. https://doi.org/10.1016/j.apm.2012.01.003

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