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The torsional response of rotor systems.

By R. Whalley, Kambiz M. Ebrahimi and Z.M. Jamil

Abstract

NoThe torsional response of rotor systems comprising bearings, inertia discs, and relatively long, slim shafts is considered. Lumped, finite element and hybrid, distributed-lumped parameter procedures are employed to represent the rotor systems of concern in efforts aimed at increasing accuracy, integrity, and computational efficiency. Rotor, shaft, and bearing elements of arbitrary dimensions, constructed from materials with differing mechanical properties, can be accommodated within the system models formulated. General results for multiple rotor assemblies are derived. Simple computational techniques are employed to obtain the frequency response and time domain characteristics for the models proposed. Analytical validation of the resonance conditions identified is provided. Application studies are presented for purposes of comparison

Topics: Rotor systems, Finite element method, Rotational motion, Parameter, Torsion, Rotors
Year: 2005
DOI identifier: 10.1243/095440605X16956
OAI identifier: oai:bradscholars.brad.ac.uk:10454/3461
Provided by: Bradford Scholars
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