Firstly,a linear buckling analysis is performed to determine if the buckling occurs or not,then a nonlinear buckling analysis is used to prediction of welding distortion of thin plate.

• 对不同焊接工艺条件下的低碳钢薄板对接焊变形进行了研究,比较了数值分析与实验测量结果,并且数值计算考虑了薄板不平整度的影响。