Abstract
SUMMARY In this work a novel approach for the determination of the dynamic behaviour of a rotating device subject to forces fixed with respect to a stationary reference system is developed. The procedure can be applied to any axisymmetric rotating structure and it is particularly convenient for components of complex geometry for which an accurate dynamic characterization is fundamental. It is based on the application of Duhamel's integral. The time evolution of the system is obtained with the determination of the impulse response of the body using one single finite element transient analysis. By combining the results of the transient analysis with the time history of the forces applied to the rotating body, it is possible to determine the ground-based vibration response of the component. Copyright © 2012 John Wiley & Sons, Ltd.
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