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。
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。
Testing and analysis research on fillets of bathtub joint show that the durability design approach based on probabilistic fracture mechanics is applicable to fillets.
通过对浴缸式接头圆角耐久性试验及分析研究，证明基于概率断裂力学的耐久性设计方法对圆角也是适用的。
应用推荐