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46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
A methodology is presented and applied that determines the sensitivities of the probability-offracture of a gas turbine disk fatigue analysis with respect to the parameters of the probability distribution of the random variables. This information is useful in determining the importance of the random variable parameters and the relative ranking of the variables. The methodology is demonstrated using a probabilistic fatigue analysis of a gas turbine compressor disk using the computer programdoi:10.2514/6.2005-2147 fatcat:ldls7ilzxbeqlpiiuacb2lxgju