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Steel and Composite Structures Volume 31, Number 3, May10 2019 , pages 243-259 DOI: https://doi.org/10.12989/scs.2019.31.3.243 |
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Nonlinear buckling and post-buckling of functionally graded CNTs reinforced composite truncated conical shells subjected to axial load |
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Do Quang Chan, Pham Dinh Nguyen, Vu Dinh Quang, Vu Thi Thuy Anh and Nguyen Dinh Duc
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| Abstract | ||
| This study deals with the nonlinear static analysis of functionally graded carbon nanotubes reinforced composite (FG-CNTRC) truncated conical shells subjected to axial load based on the classical shell theory. Detailed studies for both nonlinear buckling and post-buckling behavior of truncated conical shells. The truncated conical shells are reinforced by single-walled carbon nanotubes which alter according to linear functions of the shell thickness. The nonlinear equations are solved by both the Airy stress function and Galerkin method based on the classical shell theory. In numerical results, the influences of various types of distribution and volume fractions of carbon nanotubes, geometrical parameters, elastic foundations on the nonlinear buckling and post-buckling behavior of FG-CNTRC truncated conical shells are presented. The proposed results are validated by comparing with other authors. | ||
| Key Words | ||
| nonlinear buckling and post-buckling; FG-CNTRC; truncated conical shells; galerkin method | ||
| Address | ||
| (1) Do Quang Chan: University of Transport Technology, Hanoi - 54 Trieu Khuc, Thanh Xuan, Hanoi, Vietnam; (2) Pham Dinh Nguyen, Vu Dinh Quang, Vu Thi Thuy Anh, Nguyen Dinh Duc: Avanced Materials and Structures Laboratory, University of Engineering and Technology, 144 Xuan Thuy, Cau Giay, Hanoi, Vietnam; (3) Nguyen Dinh Duc: Vietnam-Japan University, Luu Huu Phuoc, My Dinh 1, Nam Tu Liem, Ha Noi, Vietnam; (4) Nguyen Dinh Duc: National Research Laboratory, Department of Civil and Environmental Engineering, Sejong University, 209 Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea. | ||