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Steel and Composite Structures Volume 43, Number 5, June10 2022 , pages 639-660 DOI: https://doi.org/10.12989/scs.2022.43.5.639 |
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Nonlocal strain gradient theory for buckling and bending of FG-GRNC laminated sandwich plates |
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Muhammad Basha, Ahmed Amine Daikh, Ammar Melaibari, Ahmed Wagih, Ramzi Othman, Khalid H Almitani, Mostafa A. Hamed, Alaa Abdelrahman and Mohamed A. Eltaher
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| Abstract | ||
| The bending and buckling behaviours of FG-GRNC laminated sandwich plates are investigated by using novel five-variables quasi 3D higher order shear deformation plate theory by considering the modified continuum nonlocal strain gradient theory. To calculate the effective Young's modulus of the GRNC sandwich plate along the thickness direction, and Poisson's ratio and mass density, the modified Halpin-Tsai model and the rule of the mixture are employed. Based on a new field of displacement, governing equilibrium equations of the GRNC sandwich plate are solved using a developed approach of Galerkin method. A detailed parametric analysis is carried out to highlight the influences of length scale and material scale parameters, GPLs distribution pattern, the weight fraction of GPLs, geometry and size of GPLs, the geometry of the sandwich plate and the total number of layers on the stresses, deformation and critical buckling loads. Some details are studied exclusively for the first time, such as stresses and the nonlocality effect. | ||
| Key Words | ||
| bending and buckling responses; five-variable 3D nonlocal shear deformation theory; Galerkin Method; graphene platelet; material and length scale parameters; reinforced composite plate | ||
| Address | ||
| Muhammad Basha:Faculty of Engineering, Mechanical Engineering Department, King Abdulaziz University, P.O. Box 80204, Jeddah, Saudi Arabia Ahmed Amine Daikh:1)Department of Technology, University Center of Naama, 45000 Naama, P.O. Box 66, Algeria 2)Laboratoire d'Etude des Structures et de Mecanique des Materiaux, Departement de Genie Civil, Faculte des Sciences et de la Technologie, Universite Mustapha Stambouli, Mascara, Algerie Ammar Melaibari:Faculty of Engineering, Mechanical Engineering Department, King Abdulaziz University, P.O. Box 80204, Jeddah, Saudi Arabia Ahmed Wagih:Faculty of Engineering, Mechanical Design and Production Department, Zagazig University, P.O. Box 44519, Zagazig, Egypt Ramzi Othman:Faculty of Engineering, Mechanical Engineering Department, King Abdulaziz University, P.O. Box 80204, Jeddah, Saudi Arabia Khalid H Almitani:Faculty of Engineering, Mechanical Engineering Department, King Abdulaziz University, P.O. Box 80204, Jeddah, Saudi Arabia Mostafa A. Hamed:Faculty of Engineering, Mechanical Engineering Department, King Abdulaziz University, P.O. Box 80204, Jeddah, Saudi Arabia Alaa Abdelrahman:Faculty of Engineering, Mechanical Design and Production Department, Zagazig University, P.O. Box 44519, Zagazig, Egypt Mohamed A. Eltaher:1)Faculty of Engineering, Mechanical Engineering Department, King Abdulaziz University, P.O. Box 80204, Jeddah, Saudi Arabia 2)Faculty of Engineering, Mechanical Design and Production Department, Zagazig University, P.O. Box 44519, Zagazig, Egypt | ||