| 海洋钻井隔水管非线性时域动力分析 |
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| 引用本文： | 仇伟德,吕英民,蔡强康. 海洋钻井隔水管非线性时域动力分析[J]. 中国石油大学学报(自然科学版), 1987, 0(1) |
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| 作者姓名： | 仇伟德 吕英民 蔡强康 |
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| 作者单位： | 华东石油学院力学教研室(仇伟德，吕英民)，华东石油学院力学教研室(蔡强康) |
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| 摘 要： | 本文用有限单元法对海洋钻井隔水管进行非线性时间域动力分析,建立了力学分析模型,推导了有限元动力方程,采用纽马克积分法求解。数值计算结果表明,理论分析是正确的,计算精度可满足工程要求。文章还对隔水管力学强度的各种影响因素进行了讨论。本文所提供的动力分析法及计算机程序可供海洋石油设计部门参考使用。
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| 关 键 词： | 隔水套管 有限元法 波浪载荷 钻具 |
NONLINEAR TIME DOMAIN DYNAMIC ANALYSIS OF MARINE DRILLING RISER |
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| Qiu Weide Lu Yingmin Cai Qiangkaug. NONLINEAR TIME DOMAIN DYNAMIC ANALYSIS OF MARINE DRILLING RISER[J]. Journal of China University of Petroleum (Edition of Natural Sciences), 1987, 0(1) |
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| Authors: | Qiu Weide Lu Yingmin Cai Qiangkaug |
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| Affiliation: | Qiu Weide Lu Yingmin Cai Qiangkaug |
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| Abstract: | Nonlinear time domain dynamic analysis of marine drilling riser system with the finite element method is presented in this paper. The analytic model of mechanics has been proposed. The dynamic equations of finite element method has been devived and Newmark integral method has been used for solving the dynamic equations. The results of numerical calculation show that the thearetical analysis is correct and the accuracy of calculation is enough. The various factors affecting the mechanical strength of riser has been discussed. The dynamic analysis method and computer program given in this paper can be used for any offshore design. |
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| Keywords: | Marine riser casing Finite element method Wave Load Drilling tool |
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