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TECHNICAL PAPERS

Dynamic Condensation and Synthesis of Unsymmetric Structural Systems

[+] Author and Article Information
G. Visweswara Rao

Engineering Mechanics Research India (P) Ltd., 607/907 M. G. Road, Bangalore 560001, India

J. Appl. Mech 69(5), 610-616 (Aug 16, 2002) (7 pages) doi:10.1115/1.1432988 History: Received October 07, 2000; Revised August 10, 2001; Online August 16, 2002
Copyright © 2002 by ASME
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References

Figures

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Substructures and coupling elements
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Rotor bearing system and finite element model for Example Problem 1
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(a) Example Problem 1. Percentage error between full and reduced-order model whirl frequencies. Case 1. System with isotropic bearings. (b) Example Problem 1. Percentage error between full and reduced-order model whirl frequencies. Case 2. System with orthotropic bearings.
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Example Problem 1. Campbell diagram for rotor-bearing system after dynamic condensation with 12 master degrees-of-freedom. –isotropic bearings, [[dashed_line]]orthotropic bearings.
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Example Problem 2. (a) Dual rotor-bearing system. (b) Two substructures. Finite element model for the inner and outer shafts of dual rotor, disk, and bearings.
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Example Problem 2. Campbell diagram for dual rotor-bearing system after dynamic condensation (with undamped isotropic bearings).

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