The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
The numerical analysis of temperature field, stress field and strain field during laser welding based on the welding analysis function of SYSWELD were introduced in this paper.
基于SYSWELD的焊接分析功能，介绍了用数值方法研究激光动态焊接过程中温度场、应力场、应变场的变化情况。
The temperature field of welding workpiece determines the stress field and strain field, and it is also the main factor affecting the weld quality and production rate.
焊接工件的温度场决定了焊接应力场和应变场，是影响焊接质量和生产率的主要因素。
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