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Structural Engineering and Mechanics Volume 70, Number 5, June10 2019 , pages 571-589 DOI: https://doi.org/10.12989/sem.2019.70.5.571 |
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Robust quasi 3D computational model for mechanical response of FG thick sandwich plate |
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Fatima Achouri, Samir Benyoucef, Fouad Bourada, Rabbab Bachir Bouiadjra and Abdelouahed Tounsi
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| Abstract | ||
| This paper aims to develop a quasi-3D shear deformation theory for the study of bending, buckling and free vibration responses of functionally graded (FG) sandwich thick plates. For that, in the present theory, both the components of normal deformation and shear strain are included. The displacement field of the proposed model contains undetermined integral terms and involves only four unknown functions with including stretching effect. Using Navier\'technique the solution of the problem is derived for simply supported sandwich plate. Numerical results have been reported, and compared with those available in the open literature were excellent agreement was observed. Finally, a detailed parametric study is presented to demonstrate the effect of the different parameters on the flexural responses, free vibration and buckling of a simply supported sandwich plates. | ||
| Key Words | ||
| Quasi 3D solution; FG sandwich plate; bending; buckling; vibration; stretching effect | ||
| Address | ||
| Fatima Achouri, Rabbab Bachir Bouiadjra : Department of Civil Engineering, University Mustapha Stambouli of Mascara, Algeria Fatima Achouri,Samir Benyoucef, Fouad Bourada, and Abdelouahed Tounsi: Material and Hydrology Laboratory, University of SidiBel Abbes, Faculty of Technology, Algeria Fouad Bourada: Departement des Sciences et de la Technologie, Centre Universitaire de Tissemsilt, BP 38004 Ben Hamouda, Algeria Abdelouahed Tounsi: Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia | ||