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Steel and Composite Structures Volume 17, Number 3, September 2014 , pages 321-338 DOI: https://doi.org/10.12989/scs.2014.17.3.321 |
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A novel first-order shear deformation theory for laminated composite plates |
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Mohamed Sadoune, Abdelouahed Tounsi, Mohammed Sid Ahmed Houari and El Abbes Adda Bedia
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| Abstract | ||
| In the present study, a new simple first-order shear deformation theory is presented for laminated composite plates. Moreover, the number of unknowns of this theory is the least one comparing with the traditional first-order and the other higher-order shear deformation theories. Equations of motion and boundary conditions are derived from Hamilton's principle. Analytical solutions of simply supported antisymmetric cross-ply and angle-ply laminates are obtained and the results are compared with the exact three-dimensional (3D) solutions and those predicted by existing theories. It can be concluded that the proposed theory is accurate and simple in solving the static bending and free vibration behaviors of laminated composite plates. | ||
| Key Words | ||
| laminated composite plate; plate theory; bending; vibration | ||
| Address | ||
| (1) Mohamed Sadoune, Abdelouahed Tounsi, El Abbes Adda Bedia: Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria; (2) Abdelouahed Tounsi, Mohammed Sid Ahmed Houari: Advanced Materials and Structures Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria. | ||