Paper

aerodynamic amplitude analysis angle ASME axial bearing blade bladed disk boundary calculated clearance coefficients compared comparison component compressor computational corresponding coupling crack damper damping diameter direction disk displacement distortion distribution dynamic edge effects element engine equations excitation experimental experiments field Figure finite flow flutter force forced response frequency friction function harmonic impact increase indicated influence inlet interaction Journal leading load matrix maximum mean measured method mistuning mode multi-stage normal Note observed obtained operating optimization parameters passage passing pattern peak performed periodic perturbation phase position Power predicted present pressure ratio reduced region relative resonance respectively response rotating rotor shock shown shows simulation single solution span speed stage stator stiffness structural suction side surface temperature transonic tuned turbine unsteady vane variation vibration wake wave