Please wait a minute...
 首页  期刊介绍 期刊订阅 联系我们 横山亮次奖 百年刊庆
 
最新录用  |  预出版  |  当期目录  |  过刊浏览  |  阅读排行  |  下载排行  |  引用排行  |  横山亮次奖  |  百年刊庆
清华大学学报(自然科学版)  2017, Vol. 57 Issue (5): 449-453    DOI: 10.16511/j.cnki.qhdxxb.2017.22.019
  机械工程 本期目录 | 过刊浏览 | 高级检索 |
基于局部-整体有限元法的薄壁筒焊接变形计算
赵海燕1, 吴骏巍1, 陆向明2, 简波2, 李宏伟2
1. 清华大学 机械工程系, 北京 100084;
2. 北京特种机械研究所, 北京 100143
Welding deformation predictions of thin-wall cylinders using a local-global method
ZHAO Haiyan1, WU Junwei1, LU Xiangming2, JIAN Bo2, LI Hongwei2
1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;
2. Beijing Institute of Specialized Machinery, Beijing 100143, China
全文: PDF(1549 KB)  
输出: BibTeX | EndNote (RIS)      
摘要 焊接变形会对焊接件的应用造成很大影响,进行结构件焊接变形的高精度和高效率预测具有重要的工程意义。该文针对大型薄壁圆筒件,应用局部-整体映射法对其环焊缝的焊接过程进行了有限元分析,得到了3种不同焊接顺序下的筒体变形结果。计算结果表明:相比于环缝一段焊和环缝两段焊,对环缝分成四段焊接情况下圆筒变形量最小,其数值相比于环缝一段焊减少约17%。将局部-整体法计算结果与热弹塑性法和实验方法所得结果进行了对比,三者吻合较好,但局部-整体法的计算用时仅为热弹塑性法的约1/6。
服务
把本文推荐给朋友
加入引用管理器
E-mail Alert
RSS
作者相关文章
赵海燕
吴骏巍
陆向明
简波
李宏伟
关键词 焊接变形有限元分析局部-整体方法薄壁筒    
Abstract:Welding structure can be seriously affected by welding deformation. Accurate, efficient predictions of welding deformation are important in engineering projects. A local-global finite element analysis is used to analyze circumferential welding of large-scale thin-wall cylinders. The welding deformation of the cylinder is obtained in 3 sequences. The results show that the deformation of a 1/4 circle weld is less than for a full-circle weld and a 1/2 circle weld. The deformation of a 1/4 circle weld is about 17% less than for a full-circle weld. The local-global method results agree well with results from the thermo-elastic-plastic method and experimental data with the local-global method using about 1/6 of the time of the thermo-elastic-plastic method.
Key wordswelding deformation    finite element analysis    local-global method    thin-wall cylinder
收稿日期: 2016-07-26      出版日期: 2017-05-15
ZTFLH:  TG404  
引用本文:   
赵海燕, 吴骏巍, 陆向明, 简波, 李宏伟. 基于局部-整体有限元法的薄壁筒焊接变形计算[J]. 清华大学学报(自然科学版), 2017, 57(5): 449-453.
ZHAO Haiyan, WU Junwei, LU Xiangming, JIAN Bo, LI Hongwei. Welding deformation predictions of thin-wall cylinders using a local-global method. Journal of Tsinghua University(Science and Technology), 2017, 57(5): 449-453.
链接本文:  
http://jst.tsinghuajournals.com/CN/10.16511/j.cnki.qhdxxb.2017.22.019  或          http://jst.tsinghuajournals.com/CN/Y2017/V57/I5/449
  图1 X5CrNi1810材料参数
  图2 局部整体有限元法技术路线
  表1 局部整体法与热弹塑性法计算时间对比
  表2 热源模型参数
  图3 热源校核所得熔池形貌与试样对比
  图4 局部模型网格划分及边界条件
  图5 薄壁筒整体网格模型
  图6 局部整体法与热弹塑性法计算结果对比
  图7 局部整体法计算结果与实验数据对比
  图8 环焊缝3种焊接方案
  图9 3种焊接方案下直径变化量对比
[1] 邓德安, 童彦刚, 周中玉. 薄壁低碳钢管焊接变形的数值模拟 [J]. 焊接学报, 2011, 32(2): 81-84.DENG Dean, TONG Yangang, ZHOU Zhongyu. Numerical modeling of welding distortion in thin-walled milled steel pipe [J]. Transactions of China Welding Institution, 2011, 32(2): 81-84. (in Chinese)
[2] 吴言高, 李午申, 邹宏军, 等. 焊接数值模拟技术发展现状 [J]. 焊接学报, 2002, 23(3): 89-92.WU Yangao, LI Wushen, ZOU Hongjun, et al. State-of-the-art of numerical simulation in welding [J]. Transactions of China Welding Institution, 2002, 23(3): 89-92. (in Chinese)
[3] 鹿安理, 史清宇, 赵海燕, 等. 焊接过程仿真领域的若干关键技术问题及其初步研究 [J]. 中国机械工程, 2000, 11(1/2): 201-205.LU Anli, SHI Qingyu, ZHAO Haiyan, et al. Key techniques and some tentative research of welding process simulation [J]. China Mechanical Engineering, 2000, 11(1/2): 201-205. (in Chinese)
[4] Wang J, Ma N, Murakawa H, et al. Prediction and measurement of welding distortion of a spherical structure assembled from multi thin plates [J]. Materials & Design, 2011, 32(10): 4728-4737.
[5] 蔡志鹏. 大型结构焊接变形数值模拟的研究与应用 [D]. 北京: 清华大学, 2001.CAI Zhipeng. Study on Numerical Simulation of Welding Distortion in Huge Fabrications and Its Application [D]. Beijing: Tsinghua University, 2001. (in Chinese)
[6] 李娅娜. 焊接变形预测与控制的数值方法研究及工程应用 [D]. 大连: 大连交通大学, 2010.LI Yana. Research and Application on Prediction and Controlling Welding Distortions Based on Numerical Method [D]. Dalian: Dalian Jiaotong University, 2010. (in Chinese)
[7] Michaleris P, Debiccari A. Prediction of welding distortion [J]. Welding Journal, 1997, 76(4): 78-89.
[8] Andersen L F. Residual Stresses and Deformation in Steel Structure [D]. Copenhagen: Technical University of Denmark, 2000.
[9] Bruno S, Frederic B, Bergheau J. A new local global approach for the modelling of welded steel component distortions [C]//Cerjak H. Mathematical Modelling of Weld Phenomena 6. London: Maney Publishing, 2002: 997-1013.
[10] 李娅娜, 兆文忠, 崔晓芳. 基于“局部-整体”映射法的焊接装配变形数值仿真 [J]. 焊接技术, 2008, 37(1): 43-46.LI Yana, ZHAO Wenzhong, CUI Xiaofang. Welding assembly deformation numerical simulation based on “local-global” method [J] Welding Technology, 2008, 37(1): 43-46. (in Chinese)
[11] 董文超, 陆善平, 李殿中. 焊接顺序对大型薄板装甲钢结构焊接变形的影响 [J]. 焊接学报, 2015, 36(7): 43-46.DONG Wenchao, LU Shanping, LI Dianzhong. Effect of welding sequence on welding distortion of large sized thin armor steel structure [J]. Transactions of China Welding Institution, 2015, 36(7): 43-46. (in Chinese)
[12] Sattari-Far I, Javadi Y. Influence of welding sequence on welding distortions in pipes [J]. International Journal of Pressure Vessels and Piping, 2008, 85(4): 265-274.
[1] 张红卫, 桂良进, 范子杰. 焊接热源参数优化方法研究及验证[J]. 清华大学学报(自然科学版), 2022, 62(2): 367-373.
[2] 张红卫, 桂良进, 范子杰. 驱动桥桥壳焊接残余应力仿真及试验验证[J]. 清华大学学报(自然科学版), 2022, 62(1): 116-124.
[3] 吕江伟, 周凯. 高力密度直线开关磁阻电机的最佳极宽比[J]. 清华大学学报(自然科学版), 2018, 58(5): 469-476.
[4] 刘赛, 吕振华. 扁长杆的冲击弹塑性屈曲特性分析的仿真有限元模型[J]. 清华大学学报(自然科学版), 2016, 56(10): 1104-1108.
[5] 李克俭, 蔡志鹏, 李轶非, 胡梦佳, 潘际銮. 长期高温时效对有碳迁移发生的焊接接头的影响[J]. 清华大学学报(自然科学版), 2015, 55(10): 1051-1055.
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
版权所有 © 《清华大学学报(自然科学版)》编辑部
本系统由北京玛格泰克科技发展有限公司设计开发 技术支持:support@magtech.com.cn