Under the assumption that the separation rate q of successive occurrence of fatigue cracks in a fleet is less than 1,the paper eslablishes an improved DTR algorithm and verifies it with an example.

• 在机队相继萌生疲劳裂纹的间隔比q小于1的假设下,建立了一种修正的DTR计算模型,并用算例进行了验证。