Journal
AEROSPACE SCIENCE AND TECHNOLOGY
Volume 111, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ast.2021.106550
Keywords
Multi-directional FG microplates; Modified strain gradient theory; Bending; Buckling; Vibration; FEM
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Funding
- Scientific Research Projects Commission of Bahcesehir University [BAP.2020-1.07]
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This paper presents a comprehensive study on bending, vibration and buckling behaviours of multi-directional FG microplates using a finite element model. The effects of material length scale parameters, aspect ratio, gradient indexes, and boundary conditions on the displacements, natural frequencies and buckling loads are investigated. New results not available in open literature are provided for future studies.
This paper presents a comprehensive study on bending, vibration and buckling behaviours of the multi-directional FG microplates. The material properties vary continuously both in-plane and through-thickness directions. Based on a quasi-3D shear and normal deformation plate theory and the modified strain gradient theory, a finite element model is proposed and employed to solve the problems of the multi-directional FG microplates with various boundary conditions. The verification is performed by comparing the numerical results with those from the previous studies. A number of numerical examples on the multi-directional FG microplates with nine boundary conditions and power-law index have been carried out. The effects of three material length scale parameters, aspect ratio, gradient indexes in spatial directions and boundary conditions on the displacements, natural frequencies and buckling loads of 1D, 2D and 3D-FG microplates are investigated in details. Some new results, which are not available in open literature, are provided as references for the future studies. (C) 2021 Elsevier Masson SAS. All rights reserved.
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