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阎军

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Main positions:Deputy director of the Department of Engineering Mechanics
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:Engineering Mechanics
Discipline:Engineering Mechanics. Computational Mechanics. Solid Mechanics. Aerospace Mechanics and Engineering. Design and Manufacture of Ship and Ocean Structure
Business Address:Room 305, Engineering Mechanics Department Building
Contact Information:0411-84706832
E-Mail:yanjun@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

考虑间隙影响的海洋非粘结柔性管道内压失效预测分析研究

Hits : Praise

Indexed by:期刊论文

Date of Publication:2018-09-30

Journal:中国造船

Volume:59

Issue:3

Page Number:60-71

ISSN No.:1000-4882

Key Words:非粘结柔性管道;内压失效;理论模型;有限元;加工间隙

Abstract:对于海洋油气开发工程中输送油气的非粘结柔性管道,其内部压力是管道失效的重要原因之一.对常用的非粘结柔性管道内压失效的理论预测模型进行了讨论,并与三维数值模型所得到的结果比较.为了考虑加工间隙的影响,提出了将弹性力学理论与"填充因子"等效方法相结合的柔性管道结构抗内压能力的分析方法.计算结果表明,柔性管道抗压层间的加工间隙会显著降低结构的抗压能力.理论分析与数值模拟结果吻合良好,在加工间隙不超过0.2 mm的情况下,相对偏差不超过3.38％.该理论预测方法对非粘结柔性管道结构的设计提供了有益的参考.

 

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