基于单元平滑应变策略和三阶剪切变形理论的功能梯度碳纳米管增强复合材料板四节点四边形C0单元

Q4 Engineering Rakenteiden Mekaniikka Pub Date : 2023-05-02 DOI:10.23998/rm.119608

Lan Hoang Ton That

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摘要

本研究表明，使用与Reddy三阶剪切变形理论（C0-HSDT）的C0型和基于细胞的平滑应变（CS）策略相关的四节点四边形单元来分析功能梯度碳纳米管增强复合材料（FG-CNTRC）板。Reddy的理论无疑是利用了三阶剪切变形理论的优点和理想性质。此外，用四种碳纳米管（CNTs）将具有先进材料性能的FG-CNTRC板从下表面改为上表面。数值结果和与其他参考解的比较表明，本单元的优点是分析FG-CNTRC板的准确性和效率。

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Four-node quadrilateral C 0-element based on cell-based smoothed strains strategy and third-order shear deformation theory for functionally graded carbon nanotube reinforced composite plates

This study indicates the analysis of functionally graded carbon nanotube reinforced composite (FG-CNTRC) plates using a four-node quadrilateral element related to the C0-type of Reddy’s third-order shear deformation theory (C0 HSDT) and cell-based smoothed strains (CS) strategy. Reddy’s theory is surely taking the advantages and desirable properties of the third-order shear deformation theory. Besides, FG-CNTRC plates with advanced material properties are changed from the bottom to top surface with four kinds of carbon nanotube (CNTs). Numerical results and comparison with other reference solutions suggest that the benefits of the present element are accuracy and efficiency in analysis of FG-CNTRC plates.

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