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Steel and Composite Structures Volume 18, Number 1, January 2015 , pages 91-120 DOI: https://doi.org/10.12989/scs.2015.18.1.091 |
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A refined higher-order shear deformation theory for bending, vibration and buckling analysis of functionally graded sandwich plates |
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Kien T. Nguyen, Tai H. Thai and Thuc P. Vo
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| Abstract | ||
| A refined higher-order shear deformation theory for bending, vibration and buckling analysis of functionally graded sandwich plates is presented in this paper. It contains only four unknowns, accounts for a hyperbolic distribution of transverse shear stress and satisfies the traction free boundary conditions. Equations of motion are derived from Hamilton\'s principle. The Navier-type and finite element solutions are derived for plate with simply-supported and various boundary conditions, respectively. Numerical examples are presented for functionally graded sandwich plates with homogeneous hardcore and softcore to verify the validity of the developed theory. It is observed that the present theory with four unknowns predicts the response accurately and efficiently. | ||
| Key Words | ||
| functionally graded sandwich plates; bending; buckling; vibration | ||
| Address | ||
| (1) Kien T. Nguyen: Faculty of Civil Engineering and Applied Mechanics, University of Technical Education, Ho Chi Minh City, 1 Vo Van Ngan Street, Thu Duc District, Ho Chi Minh City, Viet Nam; (2) Tai H. Thai: School of Civil and Environmental Engineering, The University of New South Wales, NSW 2052, Australia; (3) Thuc P. Vo: Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK. | ||