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Free vibration analysis of laminated FG-CNT reinforced composite rectangular plates using the kp-Ritz method

机译：用kp-Ritz方法分析FG-CNT层压复合矩形板的自由振动

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摘要

This paper presents the first-known vibration analysis of thin-to-moderately thick laminated functionally graded carbon nanotube (FG-CNT) reinforced composite rectangular plates. The laminated plate is composed of perfectly bonded CNT-reinforced functionally graded layers. Different distributions of single walled carbon nanotubes (SWCNTs) through the thickness of layers are considered; uniform and three kinds of functionally graded distributions of carbon nanotubes along the thickness direction of plates. Using the extended rule of mixture, material properties of the laminated nanocomposite plates are estimated. The present formulation is based on the first-order shear deformation theory (FSDT) and the analysis is carried out using the kp-Ritz method. In this study, the effects of the volume fractions of CNTs, plate width-to-thickness ratio, plate aspect ratio, distribution type of CNTs and boundary conditions on the natural frequencies and mode shapes of the laminated FG-CNT reinforced composite plates. Besides, the effects of number of layers and lamination angle are also examined. (C) 2015 Elsevier Ltd. All rights reserved.
机译：本文介绍了由薄到中厚的层压功能梯度碳纳米管（FG-CNT）增强的复合矩形板的第一个已知的振动分析。层压板由完美粘合的CNT增强功能梯度层组成。考虑了单层碳纳米管（SWCNT）在层厚度上的不同分布；碳纳米管沿板的厚度方向均匀且三种功能梯度分布。使用扩展的混合规则，可以估算层压纳米复合板的材料性能。本公式基于一阶剪切变形理论（FSDT），并使用kp-Ritz方法进行分析。在这项研究中，碳纳米管的体积分数，板的宽厚比，板的长宽比，碳纳米管的分布类型和边界条件对层压FG-CNT增强复合板的固有频率和振型的影响。此外，还研究了层数和层压角度的影响。 （C）2015 Elsevier Ltd.保留所有权利。

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  • 来源
    《Composite Structures》 |2015年第9期|245-259|共15页
  • 作者

    Lei Z. X.; Zhang L. W.; Liew K. M.;

  • 作者单位

    Nanjing Univ Sci & Technol, Sch Sci, Nanjing 210094, Jiangsu, Peoples R China|City Univ Hong Kong, Dept Architecture & Civil Engn, Kowloon, Hong Kong, Peoples R China;

    Shanghai Ocean Univ, Coll Informat Technol, Shanghai 201306, Peoples R China;

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

    Free vibration; Carbon nanotube; Composite; First-order shear deformation theory;

    机译：自由振动;碳纳米管;复合材料;一阶剪切变形理论;

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