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Isogeometric approach for buckling analysis of CNT-reinforced composite skew plates under optimal CNT-orientation

机译:最佳CNT定向下等高线法分析CNT增强复合材料斜板的屈曲

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摘要

This paper presents a first know study of the effect of orientation angle of carbon nanotubes (CNTs), embedded in a single-ply polymer-based CNT-reinforced composite, on buckling behavior of skew plates using an isogeometric analysis. The plate model is based on Reddy's higher-order shear deformation theory (HSDT). Four in-plane loading conditions together with simply supported and cantilevered boundary conditions have been considered. The optimum CNT fiber orientations for CNT-reinforced composite rhombic plates with varying skew angles and boundary conditions are presented. Moreover, the effect of width-to-thickness ratio on optimum CNT orientation is explored. The results show that the efficiency of the skew plate structures can be significantly improved by simply placing the CNTs in the correct orientation. (C) 2016 Elsevier Ltd. All rights reserved.
机译:本文介绍了使用等几何分析法对嵌入在单层聚合物基CNT增强复合材料中的碳纳米管(CNT)的取向角对斜板屈曲行为的影响的首次研究。板模型基于Reddy的高阶剪切变形理论(HSDT)。已经考虑了四个平面载荷条件以及简单支撑和悬臂边界条件。给出了具有不同偏斜角和边界条件的CNT增强复合菱形板的最佳CNT纤维取向。此外,探讨了宽厚比对最佳CNT取向的影响。结果表明,仅通过将CNT放置在正确的方向上,就可以显着提高斜板结构的效率。 (C)2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Composite Structures》 |2017年第3期|365-384|共20页
  • 作者单位

    Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, Shanghai 200240, Peoples R China;

    City Univ Hong Kong, Dept Architecture & Civil Engn, Kowloon, Hong Kong, Peoples R China;

    City Univ Hong Kong, Dept Architecture & Civil Engn, Kowloon, Hong Kong, Peoples R China|City Univ Hong Kong, Shenzhen Res Inst Bldg,Shenzhen Hitech Ind Pk, Shenzhen, Guangdong, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Carbon nanotube; Composite; Buckling; Reddy's third-order shear deformation theory; Isogeometric method;

    机译:碳纳米管;复合材料;屈曲;雷迪三阶剪切变形理论;等几何法;

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