用ansys模拟埋弧焊温度场，该怎么着手啊，新手求高手指点一下

根据埋弧焊的特点和你实验得到的焊缝尺寸，熔池形貌确定热源模型。

don't try to use a single software to solve all questions! welding setting / deformation/ stress/ fatigue/selection of fillet/ parameters/ pre~ post treatment are quite delicate. without years experience and sound practice, a software is nothing.