Elastic bending of imperfect functionally graded sandwich plates (FGSPs) laying on the Winkler-Pasternak
foundation and subjected to sinusoidal loads is analyzed. The analyses have been established using the quasi-3D sinusoidal shear
deformation model. In this theory, the number of unknowns is condensed to only five unknowns using integral-undefined terms
without requiring any correction shear factor. Moreover, the current constituent material properties of the middle layer is
considered homogeneous and isotropic. But those of the top and bottom face sheets of the graded porous sandwich plate (FGSP)
are supposed to vary regularly and continuously in the direction of thickness according to the trigonometric volume fraction's
model. The corresponding equilibrium equations of FGSPs with simply supported edges are derived via the static version of the
Hamilton's principle. The differential equations of the system are resolved via Navier's method for various schemes of FGSPs.
The current study examine the impact of the material index, porosity, side-to-thickness ratio, aspect ratio, and the WinklerPasternak foundation on the displacements, axial and shear stresses of the sandwich structure.
Malek Hadji: 1)Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria 2)Department of Climatic Engineering, University of Mentouri Brothers Constantine, Faculty of Science of Technology, Algeria
Abdelhakim Bouhadra: 1)Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria 2)Department of Civil Engineering, University of Abbès Laghrour Khenchela, Faculty of Science and Technology, Algeria
Belgacem Mamen: 1)Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria 2)Department of Civil Engineering, University of Abbès Laghrour Khenchela, Faculty of Science and Technology, Algeria
Abderahmane Menasria: 1)Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria 2)Department of Civil Engineering, University of Abbès Laghrour Khenchela, Faculty of Science and Technology, Algeria
Abdelmoumen Anis Bousahla: 1)Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia 2)Laboratoire de Modélisation et Simulation Multi-échelle, Université de Sidi Bel Abbes, Algeria
Fouad Bourada: 1)Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria 2) Département des Sciences et de la Technologie, Université de Tissemsilt, BP 38004 Ben Hamouda, Algérie
Mohamed Bourada: Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria
Kouider Halim Benrahou: 1)Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria 2)Princess Nourah bint Abdulrahman University, Saudi Arabia
Abdelouahed Tounsi: 1)Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Algeria 2)YFL (Yonsei Frontier Lab), Yonsei University, Seoul, Korea 3)Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia
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