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Structural Engineering and Mechanics Volume 70, Number 3, May10 2019 , pages 325-337 DOI: https://doi.org/10.12989/sem.2019.70.3.325 |
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A simple HSDT for bending, buckling and dynamic behavior of laminated composite plates |
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Aicha Remil, Kouider Halim Benrahou, Kada Draiche,
Abdelmoumen Anis Bousahla and Abdelouahed Tounsi
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| Abstract | ||
| In the present article, cross ply laminated composite plates are considered and a simple sinusoidal shear deformation model is tested for analyzing their flexural, stability and dynamic behaviors. The model contains only four unknown variables that are five in the first order shear deformation theory (FSDT) or other higher order models. The in-plane kinematic utilizes undetermined integral terms to quantitatively express the shear deformation influence. In the proposed theory, the conditions of zero shear stress are respected at bottom and top faces of plates without considering the shear correction coefficient. Equations of motion according to the proposed formulation are deduced by employing the virtual work principle in its dynamic version. The analytical solution is determined via double trigonometric series proposed by Navier. The stresses, displacements, natural frequencies and critical buckling forces computed using present method are compared with other published data where a good agreement between results is demonstrated. | ||
| Key Words | ||
| shear deformation; flexural, buckling; dynamic; cross-ply laminates; laminated plates | ||
| Address | ||
| Aicha Remil: 1Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria 2Centre Universitaire Ahmed Zabana de Relizane, Algeria Kouider Halim Benrahou: Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria Kada Draiche: 1Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria 2Departement de Génie Civil, Universite Ibn Khaldoun Tiaret, BP 78 Zaaroura, 14000 Tiaret, Algerie Abdelmoumen Anis Bousahla: 1Centre Universitaire Ahmed Zabana de Relizane, Algeria 2Laboratoire de Modélisation et Simulation Multi-échelle, Département de Physique, Faculté des Sciences Exactes, Département de Physique, Université de Sidi Bel Abbés, Algeria Abdelouahed Tounsi: 1Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria 2Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia | ||