The study demonstrates that Finite Element method and ASME method is more secure and reliable to the reinforcement for the large-opening of the pressure vessel.

• 研究还表明：ASME方法比等面积法、压力面积法更偏于安全和可靠，与有限元计算结果基本一致，建议采用有限元建模分析或ASME方法对压力容器大开孔补强进行强度计算和应力评定。