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针对多细节结构,介绍两种考虑结构细节数影响的概率分析模型,设计包含不同细节个数的四种试验件,并完成疲劳试验。通过试验结果(试验寿命和DFR(detail fatigue rating)值)与两种分析模型计算结果的比较,证明该分析方法是满足工程要求的。
According to the multi-detail structure, two kinds of probability analysis models considering the influence of the number of structure details are introduced. Four kinds of test pieces with different details and numbers are designed and the fatigue test is completed. The results of the test (the test life and the detail fatigue rating (DFR)) are compared with those of the two analytical models to prove that the analytical method meets the engineering requirements.