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Based on finite element theories,the electric-thermal-structure coupled model of resistance spot welding with dome-shaped electrode was built.

基于有限元理论建立了球形电极电阻点焊过程的电热力耦合模型,以ANSYS软件为平台分析了点焊的预压以及熔核的形成、长大及断电冷却过程。