Potential Failure Modes Analysis(PFMA) has currently emerged as an effective and popular approach for promoting dam safety management in the U. S. A.

目前潜在损坏模式分析是提高美国大坝安全管理的有效工具。

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Applying probabilistic fracture mechanics approach (PFMA), the reliability analysis is carried out for helicopter metal material (aluminum alloy) structure having initial cracks.

应用概率断裂力学方法，对含初始裂纹体的金属材料(铝合金)构件的疲劳裂纹扩展寿命进行可靠性分析。

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Finally, applying Probabilistic Fracture Mechanics Approach (PFMA), the reliability analysis is carried out for helicopter metal material (aluminum alloy) structure having initial cracks.

最后，应用概率断裂力学方法(PFMA)，对含初始裂纹体的直升机金属材料(铝合金)构件的疲劳裂纹扩展寿命进行可靠性分析。

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