The forced vibration response of subsystems with different natural frequencies and damping, attached to a foundation with finite stiffness or mass, is calculated. Analytical models include simulations of turbomachine blading on a flexible disk or on a rotor with finite mass. Coupling through the disk or rotor explains variations in resonant frequencies and amplitudes that have been observed in blade-vibration tests. Effects on damping measurements are also determined.
Issue Section:
Research Papers
Topics:
Blades,
Rotors,
Turbomachinery,
Vibration,
Damping,
Disks,
Engineering simulation,
Resonance,
Simulation,
Stiffness
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Copyright © 1967
by ASME
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