[1]崔虎威,朱兴华,张朋.基于热弹塑性有限元法的双腹加筋板焊接顺序研究[J].焊管,2024,47(5):26-32.[doi:10.19291/j.cnki.1001-3938.2024.05.004]
　CUI Huwei,ZHU Xinghua,ZHANG Peng.Research on Welding Sequences of Double Web Stiffened Plates based on Thermal Elastic-plastic Finite Element Method[J].,2024,47(5):26-32.[doi:10.19291/j.cnki.1001-3938.2024.05.004]
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基于热弹塑性有限元法的双腹加筋板焊接顺序研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
47
期数:
2024年第5期
页码:
26-32
栏目:
试验与研究
出版日期:
2024-05-28

文章信息/Info

Title:
Research on Welding Sequences of Double Web Stiffened Plates based on Thermal Elastic-plastic Finite Element Method
文章编号:
10.19291/j.cnki.1001-3938.2024.05.004
作者:
崔虎威; 朱兴华; 张朋
1.招商局重庆交通科研设计院有限公司，重庆 400041；
2.重庆高新开发建设投资集团有限公司，重庆 401329；
3.重庆交通大学 航运与船舶工程学院，重庆 400074；
4.重庆交通大学 河海学院，重庆 400074
Author(s):
CUI Huwei; ZHU Xinghua; ZHANG Peng
1.China Merchants Chongqing Communications Technology Research and Design Institute Co., Ltd., Chongqing 400041, China；
2.Chongqing High?ech Development and Construction Investment Group Co., Ltd, Chongqing 401329, China；
3.School of Shipping and Naval Architecture, Chongqing Jiaotong University, Chongqing 400074, China；
4. School of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
关键词:
热弹塑性有限元法;  双腹加筋板;  焊接变形;  残余应力
Keywords:
thermal elastic?lastic finite element method; double web stiffened plate; welding deformation; residual stress
分类号:
TG407
DOI:
10.19291/j.cnki.1001-3938.2024.05.004
文献标志码:
A
摘要:
为进一步研究双腹加筋板不同焊接顺序下残余应力和变形的分布规律，基于热弹塑性有限元法，采用有限元软件Abaqus对双腹加筋板进行了焊接数值模拟，分析了双腹加筋板不同焊接顺序下残余应力和变形的分布规律。分别采用壳单元和实体单元对双腹加筋板远离焊缝区及焊缝区建模，以提高计算效率，并建立了壳单元与实体单元自由度之间的线性约束。计算比较了双腹板同步焊接与连续焊接下的加筋板焊接残余应力与变形，共计17种焊接顺序。结果表明：相比于连续焊接，双腹加筋板采用同步焊接产生的残余应力与角变形较小，双腹加筋板同步焊接角变形的幅值比连续焊接角变形幅值减小了47.1%。
Abstract:
In order to understand the effect of welding sequence on the residual stress and deformation of the double web stiffened plate, based on the thermal elastic-plastic finite element method, the finite element software Abaqus was used to simulate the welding of the double web stiffened plate, and the effect of welding sequence on the residual stress and deformation of the double web stiffened plate was analyzed. Shell element and solid element were used respectively to model the distance from the weld zone and weld zone of the stiffened plate to improve the computational efficiency, and the linear constraint between the freedom of shell element and solid element was established. The welding residual stress and deformation of the stiffened plate under synchronous welding of double web and continuous welding on both sides were calculated and compared. There were 17 welding sequences in total. The results show that the residual stress and angle deformation of the double web stiffened plate are smaller than those of the continuous welding.The amplitude of angle displacement of synchronous welding of the double web stiffened plate is reduced by 47.1% compared with that of continuous welding.

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相似文献/References:

[1]刘双,崔虎威,郑学键,等.基于热弹塑性有限元法的加筋板初始缺陷与极限强度研究[J].焊管,2024,47(12):58.[doi:10.19291/j.cnki.1001-3938.2024.12.009]
　LIU Shuang,CUI Huwei,ZHENG Xuejian,et al.Research on Initial Imperfections and Ultimate Strength of a Stiffened Plate under Thermal Elastic?lastic Finite Element Method[J].,2024,47(5):58.[doi:10.19291/j.cnki.1001-3938.2024.12.009]

备注/Memo

备注/Memo:
收稿日期：2023-11-23
基金项目：国家自然科学基金项目“循环载荷下基于弹性安定临界状态的船体梁极限强度研究”（项目编号52001040）；
重庆市自然科学基金面上项目“基于弹性安定临界状态的船体加筋板极限承载性能研究”（项目编号cstc2021jcyj-msxmX0944）；
重庆市教委科学技术研究项目“基于增量热弹塑性理论的船体结构极限强度研究”（项目编号KJZD-K202300710）。
作者简介：崔虎威 （1986—），男，湖北洪湖人，博士，副教授，主要从事船体及其它钢结构焊接仿真及极限强度研究。
更新日期/Last Update: 2024-05-29