Volume 39, Issue 2 (2-2021)                   JCME 2021, 39(2): 59-72 | Back to browse issues page

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Barouei Z, Jabbarzadeh M. The Nonlinear Bending Analysis for Circular Nano Plates Based on Modified Coupled Stress and Three- Dimensional Elasticity Theories. JCME. 2021; 39 (2) :59-72
URL: http://jcme.iut.ac.ir/article-1-790-en.html
1- Department of Mechanical Engineering, Mashhad Branch, Islamic Azad University, Mashhad, Iran
2- Department of Mechanical Engineering, Mashhad Branch, Islamic Azad University, Mashhad, Iran , jabbarzadeh@mshdiau.ac.ir
Abstract:   (789 Views)
In this paper, the nonlinear bending analysis for annular circular nano plates is conducted based on the modified coupled stress and three-dimensional elasticity theories. For this purpose, the equilibrium equations, considering nonlinear strain terms, are calculated using the least energy potential method and solved by the numerical semi-analytical polynomial method. According to the previous works, there have been no studies calculating all boundary conditions numerically based on three-dimensional elasticity. Typically, the research done on three-dimensional elasticity is either finite element or only for a simply-supported boundary condition. In this research, for the first time, the nonlinear analysis of bending is calculated with the help of three-dimensional elasticity for a variety of boundary conditions. Also, with the help of the modified couple stress theory, the results on the nano-scale scale have been studied. In the following, while validating the results, we investigate the changes in the scale parameter for the types of boundary conditions, the effect of changing the parameter of scale in different thicknesses, and the impact of the parameter of scale on the linear and nonlinear results.
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Type of Study: Research | Subject: Special
Received: 2019/05/31 | Accepted: 2019/09/30 | Published: 2021/02/28

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