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

基于有限元理論建立了球形電極電阻點(diǎn)焊過程的電熱力耦合模型,以ANSYS軟件為平臺分析了點(diǎn)焊的預(yù)壓以及熔核的形成、長大及斷電冷卻過程。