Wave propagation in carbon nanotube-reinforced nanocomposite doubly-curved shells resting on a viscoelastic foundation

被引：5
作者：
Zhang, Shaojun [1 ]
Wang, Mingyu [1 ]
Chen, Chao [1 ]
Shahsavari, Davood [2 ]
Karami, Behrouz [2 ]
Tounsi, Abdelouahed [3 ,4 ]
机构：
[1] Shandong Jiaotong Univ, Sch Maritime, Jinan, Peoples R China
[2] Islamic Azad Univ, Dept Mech Engn, Marvdasht Branch, Marvdasht, Iran
[3] Yonsei Univ, YFL Yonsei Frontier Lab, Seoul, South Korea
[4] Univ Djillali Liabes Sidi Bel Abbes, Fac Technol, Civil Engn Dept, Mat & Hydrol Lab, Sidi Bel Abbes, Algeria
来源：
WAVES IN RANDOM AND COMPLEX MEDIA | 2022年
关键词：
Wave propagation; carbon-based reinforced nanocomposites; viscoelastic foundation; nonlocal strain gradient theory; FREE-VIBRATION ANALYSIS; ELASTIC FOUNDATIONS; PLATE MODEL; GRAPHENE; DYNAMICS; BEHAVIOR; PANELS;
D O I：
10.1080/17455030.2022.2058710
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This research aims at studying the propagation of waves in doubly-curved nanoshells made of carbon nanotube-reinforced composite (CNTRC) nanoshell panels while resting on a viscoelastic foundation. For the first time, a nonlocal strain gradient model of first-order shear deformation theory (FSDT) is developed in curvilinear coordinate for the wave propagation analysis of such properties, geometry, and foundation. The effective material properties of four types of CNTs' distribution are estimated using a modified rule of mixture. The size-dependent governing equations are found using the Hamiltonian principle and after derivation, the equations are solved to find the damped flexural wave responses using a harmonic solving procedure. The results show the influence of viscoelastic foundation parameters, small-scale parameters, CNTs' distribution schemes, and weight fraction of CNTs on the wave behavior of CNTRC doubly-curved shells with spherical, hyperbolic, cylindrical, and elliptical panels.
引用
收藏
页码：4105 / 4128
页数：24
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