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本文提出了一种考虑材料非线性的金属结构安全裕度确定方法 ,并基于该方法通过有限元软件对民用飞机典型金属加强肋结构进行了静强度分析。
In this paper, a method to determine the safety margin of metal structures considering material nonlinearity is proposed. Based on this method, the static strength of typical metal reinforced rib structure of civil aircraft is analyzed by finite element method.