Size-dependent isogeometric analysis of functionally graded carbon nanotube-reinforced composite nanoplates

被引:144
作者
Phung-Van, P. [1 ]
Lieu, Qui X. [2 ]
Nguyen-Xuan, H. [3 ,4 ]
Wahab, M. Abdel [5 ,6 ,7 ]
机构
[1] Univ Ghent, Fac Engn & Architecture, Dept Elect Energy Syst & Automat, B-9000 Ghent, Belgium
[2] Sejong Univ, Dept Architectural Engn, Seoul, South Korea
[3] Hutech Univ, Ctr Interdisciplinary Res Technol, Ho Chi Minh City, Vietnam
[4] China Med Univ, Grad Inst Rehabil Sci, Dept Phys Therapy, Taichung 40402, Taiwan
[5] Ton Duc Thang Univ, Div Computat Mech, Ho Chi Minh City, Vietnam
[6] Ton Duc Thang Univ, Fac Civil Engn, Ho Chi Minh City, Vietnam
[7] Univ Ghent, Fac Engn & Architecture, Soete Lab, Technol Pk Zwijnaarde 903, B-9052 Zwijnaarde, Belgium
关键词
Isogeometric analysis (IGA); Functionally graded carbon nanotube-reinforced composite plates; Generalized higher-order shear deformation theory; Nonlocal theory; Small scale effect; ORDER SHEAR DEFORMATION; PLATE ELEMENT CS-FEM-MIN3; NONLOCAL ELASTIC MODELS; FREE-VIBRATION ANALYSES; LAMINATED COMPOSITE; SANDWICH PLATES; NONLINEAR-ANALYSIS; DYNAMIC-RESPONSE; WAVE-PROPAGATION; FINITE-ELEMENTS;
D O I
10.1016/j.compstruct.2017.01.049
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
This paper presents an effective and simple computational formulation based on isogeometric analysis (IGA) and generalized higher-order shear deformation theory (GHSDT) to study size-dependent analysis of functionally graded carbon nano-reinforced composite (FG-CNTRC) nanoplates. The material properties of FG-CNTRC are assumed to be graded through the thickness direction according to four special distributions of carbon nanotubes (CNTs). The differential nonlocal equations are utilized to take into account size effects. The nonlocal governing equations are approximated according to IGA based on GHSDT, which satisfies naturally the higher-order derivatives continuity requirement in weak form of FG-CNTRC nanoplates. Carbon nanotube volume fraction and nonlocal effects on responses of FG-CNTRC nanoplates with different volume fractions are studied. Numerical results prove high accuracy and reliability of the present method in comparison with other available numerical approaches. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:120 / 135
页数:16
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