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考虑流体升力作用的海洋钻井隔水管变形特性分析

冯钰钦 艾志久 艾雨

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. doi: 10.3879/j.issn.1000-0887.2016.01.004
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. doi: 10.3879/j.issn.1000-0887.2016.01.004
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. doi: 10.3879/j.issn.1000-0887.2016.01.004

考虑流体升力作用的海洋钻井隔水管变形特性分析

doi: 10.3879/j.issn.1000-0887.2016.01.004
详细信息
    作者简介:

    冯钰钦(1989—),男,硕士生(E-mail: zhaomu24@aliyun.com);艾志久(1954—),男,教授,博士生导师(通讯作者. E-mail: aizhijiu123@vip.sina.com).

  • 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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