Transforming Complex Eigenmodes into Real Ones Based on an Appropriation Technique

[+] Author and Article Information
E. Foltete, J. Piranda

LMARC, Université de Franche-Comté, UMR CNRS 6604, 24 rue del’Epitaphe, 25000 Besançon, France

J. Vib. Acoust 123(1), 92-97 (Aug 01, 2000) (6 pages) doi:10.1115/1.1320811 History: Received November 01, 1998; Revised August 01, 2000
Copyright © 2001 by ASME
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Evolution of parameter k versus frequency (8 DOF)
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Evolution of the criterion versus the number of excitation DOF (8 DDL)
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FRF at excitation point 1 (8 DDL)
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Three base coupled beams
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Nyquist diagram of the FRF 1/1, case 0 to 3 (3 beams)
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Phase scatter diagrams of the third complex mode, case 0 to 3 (3 beams)




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