摘要
计算机技术的发展使焊接数值模拟技术成为人们研究电弧-熔池行为最重要的方式之一。在钨电极惰性气体保护焊(GTAW)仿真模拟过程中,为了准确描述电弧-熔池行为,需要构建相互耦合的数值模型。对模型中涉及的电弧物理特性进行了阐述,并将GTAW耦合模型总结为阴极-电弧耦合、阴极-电弧-熔池全耦合两种类型。综述了每种类型的优缺点,讨论现有方法的不足和未来的研究趋势。
With the development of computer technology,welding numerical simulation has become one of the most important ways to study arc-pool behavior.In the process of gas tungsten arc welding(GTAW)simulation,in order to accurately describe the arc-molten pool behavior,it is necessary to build a coupled numerical model.The physical properties of the arc involved in the model were expounded,and the coupling model of GTAW arc summed up as the cathode-arc coupling,cathode,arc and molten pool full coupling,the advantages and disadvantages of each type were reviewed and the shortcomings of existing methods and future research trends were discussed.
作者
郭瑞
岳建锋
常玉烁
刘文吉
GUO Rui;YUE Jianfeng;CHANG Yushuo;LIU Wenji(Key Laboratory of Modern Electromechanical Equipment Technology,Tiangong University,Tianjin 300087,China)
出处
《热加工工艺》
北大核心
2021年第9期1-4,共4页
Hot Working Technology
基金
国家自然科学基金项目(U1733125)
天津市自然科学基金项目(17JCZDJC38700,18JCYBJC19100)。
关键词
耦合模型
数值模拟
电弧
熔池
coupled model
numerical simulation
electric arc
molten pool
