| 海底油气管线冲刷段的弹性屈曲分析 |
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| 引用本文： | 王维.海底油气管线冲刷段的弹性屈曲分析[J].西南石油大学学报（自然科学版）,1997,19(1):73-78. |
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| 作者姓名： | 王维 |
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| 作者单位： | 机械工程系 |
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| 摘 要： | 文中探讨了海底埋设油气管线冲刷段的弹性稳定分析方法,提出梁壳模型,考虑截面扁平化效应,运用弹性稳定理论导出了冲刷段的弹性屈曲控制方程,并给出了平衡路径数值分析算例,为进一步分析管线的弹塑性屈曲奠定基础。
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| 关 键 词： | 海底管道 弹性 稳定性 |
| 收稿时间： | 1995-10-22 |
Analysis on Elastic Stability of the Erosion Section of the Sea-bottomImbedded Oil and Gas Pipeline |
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| Wang Wei.Analysis on Elastic Stability of the Erosion Section of the Sea-bottomImbedded Oil and Gas Pipeline[J].Journal of Southwest Petroleum University(Seience & Technology Edition),1997,19(1):73-78. |
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| Authors: | Wang Wei |
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| Institution: | Dept. of Mechanical Engineering, SWPI, Sichuan, 637001 |
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| Abstract: | The elastic stability of the erosion section of the sea-bottom imbedded oil and gas pipeline is discussed in this paper. A so-called beam-shell erosion model is proposed. The ovalization mode of the cross section of the pipe is analyzed and the governing equations of elastic stability of the erosion section are obtained on the basis of elastic stability theory. At last, an example ofnumerical analysis on the equilibrium path is given. This effort is helpful to further analysis of the elastoplastic stability of the erosion section of the pipeline. |
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| Keywords: | Submarine pipeline Elasticity Stability |
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