大型纵向桁材式基座焊接变形仿真与控制

钟华, 佟新伟, 程文韬, 丁鹏龙, 何亮

钟华, 佟新伟, 程文韬, 丁鹏龙, 何亮. 大型纵向桁材式基座焊接变形仿真与控制[J]. 材料开发与应用, 2021, 36(1): 71-76.
引用本文: 钟华, 佟新伟, 程文韬, 丁鹏龙, 何亮. 大型纵向桁材式基座焊接变形仿真与控制[J]. 材料开发与应用, 2021, 36(1): 71-76.
ZHONG Hua, TONG Xinwei, CHENG Wentao, DING Penglong, HE Liang. Simulation Analysis and Control of Welding Deformation of Large Steel Foundation[J]. Development and Application of Materials, 2021, 36(1): 71-76.
Citation: ZHONG Hua, TONG Xinwei, CHENG Wentao, DING Penglong, HE Liang. Simulation Analysis and Control of Welding Deformation of Large Steel Foundation[J]. Development and Application of Materials, 2021, 36(1): 71-76.

大型纵向桁材式基座焊接变形仿真与控制

基金项目: 

基础科研项目(JCKY2017207B011)

详细信息
    作者简介:

    钟华,男,1984年生,工程师,主要从事焊接工艺与仿真研究。E-mail:zhonghua8491@aliyun.com

  • 中图分类号: U661.4

Simulation Analysis and Control of Welding Deformation of Large Steel Foundation

  • 摘要: 基于热弹塑性法对大型纵桁式基座焊接过程进行了有限元分析,采用双椭球热源计算了焊接温度场与应力场,获得了基座焊接残余应力分布及变形情况,并对比分析了圆筒单元4种焊接顺序和3种基座约束方式对焊接变形的影响。结果表明,在压条和定位焊双重约束条件下,按照“头尾交替斜对称”焊接,基座变形最小;优化焊接顺序和约束方式,可有效减小大型基座的焊接变形。
    Abstract: The simulation of welding process of the large stringer steel foundation was established by thermal elastic plastic FEM. By adopting double ellipsoid heat source method, the temperature field and stress field were calculated, therefore the residual stress and the deformation of the foundation structure were acquired. Bedsides, the influences of sequence of four weldings and the three foundation constraint ways on the welding deformation were analyzed.Resultsshowed that under the double restraints of mound layer and tack welding, the deformation was the slightest, and that by optimizing the welding sequence and fixture arrangement, the welding deformation could be reduced effectively.
  • [1] 应长春.船舶工艺技术[M].上海:上海交通大学出版社,2013:298-299.
    [2] C.A.库兹米诺夫.8船体结构的焊接变形[M].北京:国防工业出版社,1978:1-2.
    [3] 叶家玮.船体建造测量及数据处理技术[M].广州:华南理工大学出版社,2001:134-135.
    [4] 周宏,罗宇,蒋志勇,等.基于ANSYS的船舶复杂结构焊接变形预测研究[J].中国造船,2010,51(2):57-67.
    [5] 史熊华,刘业兴,向生,等.船体结构焊接变形的预测与控制研究进展[J].造船技术,2019(1):1-6.
    [6] 喻琪,陈震.船体加筋板结构焊接变形和残余应力热弹塑性有限元分析[J].舰船科学技术,2016,38(6):47-51.
  • 期刊类型引用(1)

    1. 丁鹏龙,成应晋,何亮. 甲板分段焊接变形仿真与控制. 材料开发与应用. 2023(01): 9-16 . 本站查看

    其他类型引用(0)

计量
  • 文章访问数:  149
  • HTML全文浏览量:  74
  • PDF下载量:  15
  • 被引次数: 1
出版历程
  • 收稿日期:  2020-05-10
  • 刊出日期:  2021-02-24

目录

    /

    返回文章
    返回