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[1]朱红卫 盛积良 姜诗源 李新宏 陈国明 智晨潇.双层海底管道悬跨振动特性模拟分析[J].中国海上油气,2019,31(05):190-197.[doi:10.11935/j.issn.1673-1506.2019.05.022]
 ZHU Hongwei SHENG Jiliang JIANG Shiyuan LI Xinhong CHEN Guoming ZHI Chenxiao.Simulation analysis on vibration characteristics of free spanning submarine pipe in pipe[J].China Offshore Oil and Gas,2019,31(05):190-197.[doi:10.11935/j.issn.1673-1506.2019.05.022]
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双层海底管道悬跨振动特性模拟分析()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年05期
页码:
190-197
栏目:
海洋工程
出版日期:
2019-10-10

文章信息/Info

Title:
Simulation analysis on vibration characteristics of free spanning submarine pipe in pipe
文章编号:
1673-1506(2019)05-0190-08
作者:
朱红卫1 盛积良2 姜诗源1 李新宏1 陈国明1 智晨潇1
(1. 中国石油大学(华东)海洋油气装备与安全技术研究中心 山东青岛 266580; 2. 中交海洋建设开发有限公司 天津 300451)
Author(s):
ZHU Hongwei1 SHENG Jiliang2 JIANG Shiyuan1 LI Xinhong1 CHEN Guoming1 ZHI Chenxiao1
(1. Centre for Offshore Engineering and Safety Technology, China University of Petroleum, Qingdao, Shandong 266580, China; 2. CCCC International Shipping Corporation, Tianjin 300451, China)
关键词:
双层海底管道 悬跨 振动 动态响应 管土接触长度 悬跨长度 海流速度 自振频率 最大位移量 最大应力
Keywords:
submarine pipe in pipe free spanning vibration dynamic response pipe-soil contact length free span length current velocity natural vibration frequency maximum displacement maximum stress
分类号:
TE52
DOI:
10.11935/j.issn.1673-1506.2019.05.022
文献标志码:
A
摘要:
针对双层海底管道悬跨问题,在充分考虑内外管相互作用的基础上,采用ANSYS软件建立了双层海底管道悬跨振动分析的有限元模型,并对双层管等效成单层管的简化方法及建模方式进行了研究。针对结构非线性、悬跨长度、管土接触长度及海流等因素的影响,对悬跨管线静态及动态响应进行了分析,对影响悬跨管道最大应力位置的因素及变化规律进行了研究,并对双层管与等效单层管的振动特性进行了比较。结果表明:双层管自振频率、跨中静态最大位移量和最大应力的变化对较小管土接触长度敏感,同时由于受悬跨长度和海流速度影响较大,双层管较等效单层管更易引起涡激共振; 等效单层管随悬跨长度增大更易发生塑性变形而失效; 采用等效单层管替代双层管的方法仅在一定跨长范围内适用。本文研究对双层海底管道悬跨振动特性的研究具有一定的参考意义。
Abstract:
In order to find out a solution to free spanning of submarine pipe in pipe, a finite element model for vibration analysis of spanning submarine pipe in pipe is developed using ANSYS on the basis of considering the interaction between inner and outer pipes. And the modeling method of simplifying pipe in pipe to equivalence single-layer pipeline is studied. The static and dynamic responses of the spanning pipeline are analyzed in view of the influence of structural nonlinearity, free spanning length, pipe-soil contact length and current. The factors affecting the maximum stress location of the spanning pipeline and its law are studied. The vibration behaviors of the pipe in pipe and the equivalent single-layer pipeline are compared. The results show that the natural frequency, the maximum static mid-span displacement and change of the maximum stress of the pipe in pipe are sensitive to short pipe-soil contact length, and pipe in pipe are more susceptible to vortex-induced vibration than equivalent single-layer pipeline due to the greater sensibility to free span length and current velocity. The equivalent single-layer pipe is more prone to failure due to plastic deformation with the increase of free span length. And the method of replacing pipe in pipe with equivalence single-layer pipeline is only valid for a certain span length. The study in this paper is of reference value to the study of the vibration characteristics of free spanning submarine pipe in pipe.

参考文献/References:

[1] 赵天奉,段梦兰,潘晓东.刚性连接双层海底管道高温侧向屈曲分析方法研究[J].海洋工程,2008,26(3):65-69. ZHAO Tianfeng,DUAN Menglan,PAN Xiaodong.An approach of lateral buckling analysis of HT non-compliant PIP systems[J].The Ocean Engineering,2008,26(3):65-69. [2] 李新宏,朱红卫,陈国明,等.海底管道泄漏油气扩散规律数值仿真与对比分析[J].安全与环境学报,2017,17(2):608-614. LI Xinhong,ZHU Hongwei,CHEN Guoming,et al.CFD-based comparative analysis for the oil&gas dispersion behavior resulting from the submarine pipeine[J].Journal of Safety and Environment,2017,17(2):608-614. [3] 娄敏,郭海燕,杨新华,等.海底输液管道内流、轴向力和压强对允许悬空长度的影响[J].中国海洋大学学报(自然科学版),2006,36(2):341-344. LOU Min,GUO Haiyan,YANG Xinhua,et al.The effects of internal flow,axial force and pressure on the allowable span length of submarine pipelines[J].Periodical of Ocean University of China,2006,36(2):341-344. [4] FYRILEIV O,AAMLID O,ANDREASSEN E.Pipeline free spans:Influence of internal pressure[C]// ASME 2010,International Conference on Ocean,Offshore and Arctic Engineering,2010:651-658. [5] 时米波,陈国明,孙友义.基于管土耦合模型的海底管道管跨涡激振动分析[J].石油矿场机械,2007,36(10):5-8. SHI Mibo,CHEN Guoming,SUN Youyi.Vortex-induced vibration analysis of submarine pipelines based on pipe-soil coupling model[J].Oil Field Equipment,2007,36(10):5-8. [6] 倪玲英,刘秉德,詹燕民,等.海底双层保温管的悬空数值模拟[J].船海工程,2014,43(6):154-156. NI Lingying,LIU Bingde,ZHAN Yanmin,et al.Numerical simulation of suspended ceiling for double-layer insulation pipe on seabed[J].Ship & Ocean Engineering,2014,43(6):154-156. [7] 曾霞光,段梦兰,车小玉.海底埋设双层管管道隆起屈曲分析[J].海洋工程,2014,32(2):72-78. ZENG Xiaguang,DAN Menglan,CHE Xiaoyu.Analysis of buckling of double-tube pipe under seabed[J].The Ocean Engineering,2014,32(2):72-78. [8] BI K,HAO H.Using pipe-in-pipe systems for subsea pipeline vibration control[J].Engineering Structures,2016,109:75-84. [9] 高明.管土相互作用条件下海底悬跨管线振动特性研究[D].杭州:浙江大学,2015. GAO Ming.Study on the vibration characteristics of submarine suspended pipeline under the condition of tube-soil interaction[D].Hangzhou:Zhejiang University,2015. [10] VEDELD K,SOLLUND H,HELLE J.Free vibrations of free spanning offshore pipelines[J].Engineering Structures,2013,56:68-82. [11] CHOI H S.Free spanning analysis of offshore pipelines[J].Ocean Engineering,2001,28(10):1325-1338. [12] DET NORSKE VERITAS.Free spanning pipeline [S].Norway:Det Norske Veritas,2006.

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备注/Memo

备注/Memo:
*国家重点研发计划“临海油气管道及陆上终端风险评估及防控技术(编号:2016YFC0802305)” 部分研究成果。 第一作者简介: 朱红卫,男,硕士,讲师,主要研究方向为海底管道安全可靠性评估技术。地址:山东省青岛市黄岛区长江西路66号中国石油大学(华东)机电工程学院(邮编:266580)。E-mail:zhw_spf@163.com。 通信作者简介:陈国明,男,教授,博士生导师,主要从事海洋油气工程及装备、油气安全工程方面的研究工作。地址:山东省青岛市黄岛区长江西路66号中国石油大学(邮编:266580)。E-mail:offshore@126.com。
更新日期/Last Update: 1900-01-01