Qr code
DALIAN UNIVERSITY OF TECHNOLOGY Login 中文
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
Click: times

Open time:..

The Last Update Time:..

Current position: Home >> Scientific Research >> Paper Publications

海洋柔性管道骨架层径向压缩行为的数值模拟

Hits : Praise

Indexed by:期刊论文

Date of Publication:2015-07-07

Journal:哈尔滨工程大学学报

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

Volume:36

Issue:8

Page Number:1057-1061

ISSN No.:1006-7043

Key Words:海洋柔性管道;骨架层;径向压缩;有限元;径压刚度测试;厚径比

Abstract:为防止铺设或储运过程中出现径向压缩失效,海洋柔性管道内层设计采用互锁型骨架层。基于有限元数值分析方法,建立骨架层三维有限元模型,研究径向压缩载荷作用下骨架层的力学行为。同时将骨架层简化为圆环,推导了圆环对径向压缩刚度的解析公式。搭建了柔性软管径向压缩性能的实验测试装置,通过骨架层试件的径向压缩测试,验证了有限元模型的正确性;发现传统理论模型的误差较大。数值研究还发现,随着钢带厚度与内径比的增加,骨架层径向压缩刚度会显著增大。建立的有限元数值模型及其分析技术为柔性管道受径向压缩分析和设计提供了有效的技术手段。