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International Journal of Rotating Machinery
Volume 2 (1996), Issue 3, Pages 179-186

Dynamic Analysis of Composite Rotors

1Department of Mechanical Engineering, Regional Engineering College, Jalandhar, India
2Department of Mechanical Engineering, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India

Copyright © 1996 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An outline of formulation based on a layerwise beam theory for unbalance response and stability analysis of a multi mass, multi bearing composite rotor mounted on fluid film bearings is presented. Disc gyroscopics and rotary inertia effects are accounted for. Material damping is also taken into account. The layerwise theory is compared with conventionally used equivalent modulus beam theory. Some interesting case studies are presented. The effect of various parameters on dynamic behavior and stability of a composite rotor is presented.