Vibration analysis of CNT-reinforced thick laminated composite plates based on Reddy’s higher-order shear deformation theory

详细信息    查看全文

• 作者：L.W. Zhang^a ; ^{zlvwen@hotmail.com} ; B.A. Selim^b
• 关键词：Laminated plates ; Carbon nanotube ; Composite ; Functionally graded material ; Reddy&rsquo ; s third-order shear deformation theory ; Mesh-free method
• 刊名：Composite Structures
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：160
• 期：Complete
• 页码：689-705
• 全文大小：6147 K
• 卷排序：160

文摘

In this paper, free vibration behavior of carbon nanotube (CNT) reinforced functionally graded thick laminated composite plates utilizing Reddy’s higher-order shear deformation theory (HSDT) is studied. To the best of authors’ knowledge, this paper is the first to incorporate HSDT with one of the element-free approaches to investigate this issue. The element-free IMLS-Ritz method is employed and four types of CNT distributions are considered. The resulting effective material properties of the CNT-reinforced composite are estimated by a detailed and straightforward Mori–Tanaka approach. The numerical results have been compared with the literature showing excellent agreement. Considering various CNT orientation angles, a parametric study showing the effects of CNT volume fraction, plate aspect ratio, plate width-to-thickness ratio and number of plate’s layers on the non-dimensional natural frequencies is investigated. Finally, the influence of boundary conditions on the sequence of the first six mode shapes for various lamination arrangements is presented.