Aiming at repair scheme of error opening in the submarine pressure hull ,this paper uses finite element analysis method to calculate its deformation and stress. The repair scheme for this submarine has been proved through analysis of calculation results and evaluation of the two construction schemes ,which can accumulate experience for the similar ship maintenance in the further.%针对潜艇耐压壳体误开孔的修补方案，采用有限元分析法，对潜艇耐压壳体的变形和应力进行计算。通过对计算结果的分析以及对两个施工方案的评估，肯定了该型潜艇的修补方案，为后期开展类似的舰艇维修积累了经验。
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