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Structural Engineering and Mechanics Volume 68, Number 6, December25 2018 , pages 661-675 DOI: https://doi.org/10.12989/sem.2018.68.6.661 |
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A novel refined plate theory for stability analysis of hybrid and symmetric S-FGM plates |
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Fouad Bourada, Khaled Amara, Abdelmoumen A. Bousahla, Abdelouahed Tounsi and S.R. Mahmoud
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| Abstract | ||
| In this paper, buckling analysis of hybrid functionally graded plates using a novel four variable refined plate theory is presented. In this theory the distribution of transverse shear deformation is parabolic across the thickness of the plate by satisfying the surface conditions. Therefore, it is unnecessary to use a shear correction factor. The variations of properties of the plate through the thickness are according to a symmetric sigmoid law (symmetric S-FGM). The principle virtual works is used herein to extract equilibrium equations. The analytical solution is determined using the Navier method for a simply supported rectangular plate subjected to axial forces. The precision of this theory is verified by comparing it with the various solutions available in the literature. | ||
| Key Words | ||
| refined plate theory; buckling analysis; symmetric S-FGM plate | ||
| Address | ||
| Fouad Bourada: 1) Departement des Sciences et de la Technologie, Centre Universitaire de Tissemsilt, BP 38004 Ben Hamouda, Algerie 2) Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria Khaled Amara: 1) Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria 2) Departement de Genie Civil, Institut des Sciences et de la Technologie, Centre Universitaire de AinTemouchent, Algeria Abdelmoumen A. Bousahla: 1) Laboratoire de Modelisation et Simulation Multi-echelle, Universite de Sidi Bel Abbes, Algeria 2) Centre Universitaire de Relizane, Algerie Abdelouahed Tounsi: 1) Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria 2) Civil and Environmental Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia S.R. Mahmoud: Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia | ||