In this study, the dynamic behavior of a flexible rotor system subjected to support excitation (imposed displacements of its base) is analyzed. The effect of an excitation on lateral displacements is investigated from theoretical and experimental points of view. The study focuses on behavior in bending. A mathematical model with two gyroscopic and parametrical coupled equations is derived using the Rayleigh-Ritz method. The theoretical study is based on both the multiple scales method and the normal form approach. An experimental setup is then developed to observe the dynamic behavior permitting the measurement of lateral displacements when the system’s support is subjected to a sinusoidal rotation. The experimental results are favorably compared with the analytical and numerical results.
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e-mail: nicolas.driot@insa-lyon.fr
e-mail: claude.lamarque@entpe.fr
e-mail: berlioz@cict.fr
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July 2006
Research Papers
Theoretical and Experimental Analysis of a Base-Excited Rotor
N. Driot,
N. Driot
Associate Professor
Laboratoire de Dynamique des Machines et des Structures UMR CNRS 5006,
e-mail: nicolas.driot@insa-lyon.fr
INSA LYON
, Bât. J. D’Alembert, 18 Rue des Sciences, F-69 621 Villeurbanne, France
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C. H. Lamarque,
C. H. Lamarque
Laboratoire Géo-Matériaux URA CNRS 1652,
e-mail: claude.lamarque@entpe.fr
ENTPE LYON
, 69 518 Vaulx-en-Velin, France
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A. Berlioz
A. Berlioz
Laboratoire de Génie Mécanique de Toulouse EA 814,
e-mail: berlioz@cict.fr
Universite Paul Sabatier
, 31 077 Toulouse, France
Search for other works by this author on:
N. Driot
Associate Professor
Laboratoire de Dynamique des Machines et des Structures UMR CNRS 5006,
INSA LYON
, Bât. J. D’Alembert, 18 Rue des Sciences, F-69 621 Villeurbanne, Francee-mail: nicolas.driot@insa-lyon.fr
C. H. Lamarque
Laboratoire Géo-Matériaux URA CNRS 1652,
ENTPE LYON
, 69 518 Vaulx-en-Velin, Francee-mail: claude.lamarque@entpe.fr
A. Berlioz
Laboratoire de Génie Mécanique de Toulouse EA 814,
Universite Paul Sabatier
, 31 077 Toulouse, Francee-mail: berlioz@cict.fr
J. Comput. Nonlinear Dynam. Jul 2006, 1(3): 257-263 (7 pages)
Published Online: March 28, 2006
Article history
Received:
July 8, 2005
Revised:
March 28, 2006
Citation
Driot, N., Lamarque, C. H., and Berlioz, A. (March 28, 2006). "Theoretical and Experimental Analysis of a Base-Excited Rotor." ASME. J. Comput. Nonlinear Dynam. July 2006; 1(3): 257–263. https://doi.org/10.1115/1.2209648
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