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A new four-variable refined plate theory for static analysis of smart laminated functionally graded carbon nanotube reinforced composite plates
Mechanics of Materials ( IF 3.9 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.mechmat.2019.103294
Huu Quoc Tran , Van Tham Vu , Minh Tu Tran , Phuong Nguyen-Tri

Abstract In this paper, a new four-variable refined plate theory for static analysis of laminated functionally graded carbon nanotube (FG-CNT) reinforced composite plates integrated with a piezoelectric composite (PFRC) actuator under electro-mechanical loadings is developed. Four types of CNTs distribution through the thickness of each FG-CNT layer are considered. The principle of minimum potential energy and the Navier's technique are used for establishing and solving the governing equations of simply supported rectangular plates. The comparison of obtained results with first-order shear deformation theory, simple four-variable theory and higher-order shear deformation theory indicates that the proposed formulation is simple and high accuracy for analyzing FG-CNT integrated with PFRC. The effects of electrostatic load, CNT volume fraction, type of CNT distribution and geometrical parameters on the displacements and stresses of the plates are also examined in detail.

中文翻译:

用于智能层压功能梯度碳纳米管增强复合板静力分析的新四变量细化板理论

摘要 在本文中,开发了一种新的四变量精制板理论,用于在机电载荷下对集成了压电复合材料 (PFRC) 致动器的层压功能梯度碳纳米管 (FG-CNT) 增强复合板进行静态分析。考虑了通过每个 FG-CNT 层厚度的四种类型的 CNT 分布。利用最小势能原理和纳维技术建立和求解简支矩形板的控制方程。所得结果与一阶剪切变形理论、简单四变量理论和高阶剪切变形理论的比较表明,所提出的公式简单且精度高,可用于分析与 PFRC 集成的 FG-CNT。静电负载的影响,碳纳米管体积分数,
更新日期:2020-03-01
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