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 引用本文: 冯钰钦, 艾志久, 艾雨. 考虑流体升力作用的海洋钻井隔水管变形特性分析[J]. 应用数学和力学, 2016, 37(1): 48-59.
FENG Yu-qin, AI Zhi-jiu, AI Yu. Analysis on Deformation Properties of Marine Risers Under Fluid Lift Forces[J]. Applied Mathematics and Mechanics, 2016, 37(1): 48-59. doi: 10.3879/j.issn.1000-0887.2016.01.004
 Citation: FENG Yu-qin, AI Zhi-jiu, AI Yu. Analysis on Deformation Properties of Marine Risers Under Fluid Lift Forces[J]. Applied Mathematics and Mechanics, 2016, 37(1): 48-59.

• 中图分类号: TE951

Analysis on Deformation Properties of Marine Risers Under Fluid Lift Forces

• 摘要: 为了分析隔水管在复杂海洋环境下的变形，采用能量法及变分原理建立了隔水管的力学行为模型，并通过中心差商法对模型进行了数值分析.得到了隔水管的三维变形图，并通过计算机编程针对影响隔水管变形的主要因素进行了分析.结果表明，流体升力因素对隔水管变形有一定程度的影响；浮式钻井平台偏移量对隔水管变形的影响十分显著，隔水管变形随着偏移量的增加而增大；浮力块的安置虽然一定程度地增加了隔水管的变形，但却可以较好地改善隔水管的受力情况；隔水管变形随着顶部张力和钻井液密度的增大而减小.
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出版历程
• 收稿日期:  2015-06-23
• 修回日期:  2015-07-24
• 刊出日期:  2016-01-16

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