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Buckling under the external pressure of cylindrical shells with variable thickness |
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| Authors: | Hien Luong T Nguyen I Elishakoff Vinh T Nguyen |
| Institution: | 1. Faculty of Civil Engineering, Hochiminh City University of Technology, 268 Ly Thuong Kiet Street, Dst. 10, Hochiminh City, Viet Nam;2. Department of Mechanical Engineering, Florida Atlantic University, 777 Glades Road, Boca Raton, FL 33431, USA;3. Faculty of Engineering, Tien Glang University, 119 Ap Bac Street, My Tho, Tien Giang, Viet Nam |
| Abstract: | This study focuses on the buckling of cylindrical shells with small thickness variations under external pressure. Asymptotic formulas in terms of the thickness non-uniformity parameter are derived by the combined perturbation and Bubnov–Galerkin methods. In addition to the analytic investigation based on the thin shell theory, a numerical analysis is also performed. Results from these formulas are discussed and compared with those obtained by other authors. |
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