摘要
热源模型在温度场和应力场模拟中起着关键性作用,选择合适的热源模型对数值模拟具有重要意义。总结分析了近几年应用较多的热源模型和复合热源模型;讨论了网格划分方法对应力场模拟的影响,并指出了应力场模拟的研究方向。
Heat source model plays a key role in the simulation of temperature field and stress field. Selecting the appropriate heat source model has important significance for numerical simulation. In the last few years, the heat source model and composite heat source model for many applications were summarized and analyzed. The influence of grid partition method on stress field simulation was discussed. Research directions of stress field simulation was pointed out.
出处
《热加工工艺》
CSCD
北大核心
2016年第13期8-10,15,共4页
Hot Working Technology
基金
上海工程技术大学研究生科研创新项目(E1-0903-15-01-46(15KY0508))
关键词
激光焊
焊接热源
应力场
数值模拟
laser welding
welding heat source
stress field
numerical simulation
