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针对目前焊接成型过程数值分析状况,文章介绍了焊接成型数值分析理论方法,对焊接温度场分析存在的问题及焊接残余应力和变形的影响因素与产生机理进行详细阐述,分析总结焊接成型数值分析过程存在的难点。针对这些难点,概述近年来新技术方法的应用情况及焊接成型数值分析的软件工具,提出今后的焊接成型数值分析的发展方向。
In view of the current situation of numerical analysis of welding process, this paper introduces the theoretical method of numerical analysis of welding, analyzes the existing problems of welding temperature field and the influencing factors and mechanism of welding residual stress and deformation, and analyzes and summarizes the process of numerical analysis There are difficulties. In view of these difficulties, this paper summarizes the application of new technology methods in recent years and the software tools for numerical analysis of welding forming, and points out the future direction of numerical analysis of welding forming.