Impact of Bolt-Nut Interface Modeling Assumptions on the Calculated Low Cycle Fatigue Life of Aircraft Engine Turbine Rotor Bolted Joints.

Jensen, Luke.


  • Abstract: Finite element analysis is used extensively in the aircraft turbine engine industry to predict stresses to calculate low cycle fatigue (LCF) life. An accurate prediction of stresses is especially important to a specific subset of engine hardware that is defined by the FAA as life-limited parts (LLP's). LLP's include rotor and major structural parts such as disks, spacers, hubs, shaft... read more
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