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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

考虑非线性弯曲刚度的柔性立管时域分析

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Indexed by:期刊论文

Date of Publication:2013-11-08

Journal:哈尔滨工程大学学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:34

Issue:11

Page Number:1352-1356

ISSN No.:1006-7043

Key Words:柔性立管;时域分析;非线性弯曲刚度;集中质量法

Abstract:针对柔性立管由于管道弯矩与曲率关系的非线性引起的动态时域分析问题，基于集中质量分析方法，考虑非线性弯曲刚度作为输入参数，建立柔性立管分析模型，进行管道拉力和曲率荷载的时域分析。对中国南海某1500 m水深的柔性立管算例进行了动态时域分析。分析结果表明：立管拉力随长度增加而减小，最大点发生在顶部，曲率在顶部和底部都有较大值，中间曲率较小；与考虑线性弯曲刚度的分析结果比较，考虑非线性弯曲刚度得到的顶部拉力荷载时程曲线几乎无变化，而顶部和底部的曲率荷载时程曲线变化较显著；考虑非线性弯曲刚度输入可以得到更为准确的柔性立管时域分析结果。

 

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