有限状态

The contact between welding plate and fixture is treated as constraint in the finite element model of dynamic welding angular distortion simulation for overlayer in CO2 gas arc welding.

摘要采用有限元数值模拟方法研究了CO2气体保护堆焊的动态过程。为了反映夹具和焊接件的接状态，将夹具和焊件统一建立有限元模。