| Stability characteristics of ring-stiffened cylindrical shells under different longitudinal and transverse external pressures |
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| 作者姓名： | WANG Xiao-Tian YAO Wen LIANG Chao JI Nan |
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| 作者单位： | WANG Xiao-Tian，YAO Wen，LIANG Chao，and JI Nan College of Shipbuilding Engineering，Harbin Engineering University，Harbin 150001，China |
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| 摘 要： | Because ring-stiffened cylindrical shell structures have many merits, they are widely used in many areas. However, as the strength of steel increase continuously, ensuring of the structure stability is becoming more and more important. Therefore, it is necessary to carry on a more particular analysis. Based on the understanding and analysis of the characteristics of stability for a ring-stiffened cylindrical shell under uniform external pressure and under external single pressure, the characteristics under different cross uniform external pressures are analyzed, and the regularity of it is also gotten. The curve of stability given various geometrical parameters under different cross uniform external pressures is protracted by the analysis of the theory. The conclusion not only improves the theory structural mechanics, it also was important effects on engineering calculation and design.
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| 关 键 词： | 船舶 结构强度 设计方案 压力设计 |
| 文章编号： | 1671-9433（2007）03-0033-06 |
| 收稿时间： | 31 March 2009 |
| 修稿时间： | 2007-04-20 |
Stability characteristics of ring-stiffened cylindrical shells under different longitudinal and transverse external pressures |
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| WANG Xiao-Tian YAO Wen LIANG Chao JI Nan.Stability characteristics of ring-stiffened cylindrical shells under different longitudinal and transverse external pressures[J].Journal of Marine Science and Application,2007,6(3):33-38. |
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| Authors: | Xiao-Tian Wang Wen Yao Chao Liang Nan Ji |
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| Institution: | (1) College of Shipbuilding Engineering, Harbin Engineering University, Harbin, 150001, China |
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| Abstract: | Because ring-stiffened cylindrical shell structures have many merits, they are widely used in many areas. However, as the strength of steel increase continuously, ensuring of the structure stability is becoming more and more important. Therefore, it is necessary to carry on a more particular analysis. Based on the understanding and analysis of the characteristics of stability for a ring-stiffened cylindrical shell under uniform external pressure and under external single pressure, the characteristics under different cross uniform external pressures are analyzed, and the regularity of it is also gotten. The curve of stability given various geometrical parameters under different cross uniform external pressures is protracted by the analysis of the theory. The conclusion not only improves the theory structural mechanics, it also was important effects on engineering calculation and design. |
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| Keywords: | ring-stiffened cylindrical shell characteristics of stability different cross uniform external pressures |
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