降低局部刚性：焊接封闭焊缝或其刚性较大的焊缝时，可以采取反变形法来降低结构的局部刚性。
Reducing partial rigidity: When closed weld or the weld which has less rigidity are welded, we can take anti-deformation way to reduce the partial rigidity of component.
获得了非封闭环焊缝焊接温度场和残余应力场，并对模拟结果进行了分析。
The temperature field and residual stress field of unclosed hoop weld were obtained and the results were discussed.
获得了非封闭环焊缝焊接温度场和残余应力场，并对模拟结果进行了分析。
The temperature field and residual stress field of unclosed hoop weld were obtained and the results were discussed.
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