上海交通大学学报 ›› 2023, Vol. 57 ›› Issue (3): 253-263.doi: 10.16183/j.cnki.jsjtu.2021.312

所属专题: 《上海交通大学学报》2023年“机械与动力工程”专题

• 机械与动力工程 •    下一篇

电磁感应矫平工艺的多物理场耦合仿真研究

刘徐阳1, 蔡昌儒1, 赵亦希1(), 鞠理杨1,2   

  1. 1.上海交通大学 上海市复杂薄板结构数字化制造重点实验室,上海 200240
    2.上海外高桥造船有限公司,上海 200137
  • 收稿日期:2021-08-18 接受日期:2021-10-08 出版日期:2023-03-28 发布日期:2023-03-30
  • 通讯作者: 赵亦希,教授,电话(Tel.):021-34206304;E-mail:yxzhao@sjtu.edu.cn.
  • 作者简介:刘徐阳(1996-),硕士生,从事船舶薄板焊接结构感应矫平工艺研究.
  • 基金资助:
    工信部高技术船舶科研项目(MC-202008-Z02)

Multi-Physics Field Coupling Simulation of Induction Leveling Process

LIU Xuyang1, CAI Changru1, ZHAO Yixi1(), JU Liyang1,2   

  1. 1. Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University, Shanghai 200240, China
    2. Shanghai Waigaoqiao Shipbuilding Co., Ltd., Shanghai 200137, China
  • Received:2021-08-18 Accepted:2021-10-08 Online:2023-03-28 Published:2023-03-30

摘要:

电磁感应矫平方法具有效率高、易操作的特点,在薄板矫平工艺中有良好的应用前景.以船厂使用的固定式一字型线圈感应矫平工艺为例,基于COMSOL Multiphysics有限元仿真软件建立了三维电磁-热-力耦合感应矫平有限元模型.该模型输入AH36钢板随温度变化的物理性能,以对接焊件残余应力与焊接变形作为初始状态,采用顺序耦合的方法计算矫平过程中电磁场、温度场与结构场的变化,从而验证了温度场与电磁场在矫平过程的双向耦合关系,得到焊接件在矫平后的变形量.通过自行搭建的感应矫平实验平台测试矫平工艺中的温度变化与变形量,验证了该有限元模型的准确性与有效性.

关键词: 电磁感应, 焊接变形矫平, 多物理场耦合, 有限元仿真

Abstract:

The electromagnetic induction leveling method has the characteristics of high efficiency and easy operation. It has a good application prospect in the thin plate leveling process. Based on the fixed inline coil induction leveling process used by the shipyard, this research uses COMSOL Multiphysics to establish a three-dimensional electromagnetic-thermal-mechanical coupling induction leveling finite element model. The model inputs the temperature-dependent physical properties as the material properties of the AH36 steel plate, and takes the residual stress and welding deformation of the butt weldment as the initial state. The method of sequential coupling is used to calculate the changes of electromagnetic field, temperature field, and structure field during the leveling process. The two-way coupling relationship between the temperature field and the electromagnetic field is verified and the deformation of the welded part after leveling is obtained. Through the self-built induction leveling experiment platform, the accuracy and effectiveness of the finite element model are verified.

Key words: electromagnetic induction, welding distortion and leveling, multi-physics field coupling, finite element simulation

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