7 th International LS-DYNA Users Conference Drop/Impact Simulation 14-17 Aircraft Engine Blade-Out Dynamics Kelly S. Carney Charles Lawrence Dorothy V. Carney NASA Glenn Research Center 21000 Brookpark Rd. Cleveland, Ohio 44135 Tel: (216) 433-2386 E-mail: kelly.carney@grc.nasa.gov ABSTRACT A primary problem in the design of aircraft gas turbine engine internal and support structures is the accurate simulation of the fan blade-out event and the subsequent windmilling of the engine. Reliable simulations of the blade-out event are required to ensure structural integrity during flight as well as to guarantee successful blade-out certification testing. A model and procedure has been developed which successfully predicts the key physical behavior of a generic engine structural dynamics. The key procedures and modeling techniques for this application are given. Keywords: Containment, fan case, impact, rotodynamics, rub, unbalance