Analysisoflaminatedcompositeplatesusinghigher-order.PDFVIP

Applied Mathematical Modelling 36 (2012) 5657–5677 Contents lists available at SciVerse ScienceDirect Applied Mathematical Modelling journal homepage: www.else /locate/apm Analysis of laminated composite plates using higher-order shear deformation plate theory and node-based smoothed discrete shear gap method Chien H. Thai a, Loc V. Tran a, Dung T. Tran c, T. Nguyen-Thoi a,b, H. Nguyen-Xuan a,b,⇑ a Division of Computational Mechanics, Ton Duc Thang University, Nguyen Huu Tho Street, Tan Phong Ward, Dist. 7, Ho Chi Minh City, Viet Nam b Department of Mechanics, Faculty of Mathematics Computer Science, University of Science, VNU-HCMC, 227 Nguyen Van Cu Street, District 5, Ho Chi Minh City, Viet Nam c Faculty of Construction Electricity, Ho Chi Minh City Open University, 97 Vo Van Tan Street, District 3, Ho Chi Minh City, Viet Nam a r t i c l e i n f o a b s t r a c t Article history: This paper presents a novel finite element formulation for static, free vibration and buck- Received 13 May 2011 ling analyses of laminated composite plates. The idea relies on a combination of node- Received in revised form 24 December 2011 based smoothing discrete shear gap method with the higher-order shear deformation plate Accepted 4 January 2012 theory (HSDT) to give a so-called NS-DSG3 element. The higher-order shear deformation Available online 13 January 2012 plate theory (HSDT) is introduced in the present method to remove the shear correction factors and improve the accuracy of transverse shear stress