Lancaster’s Method of Damping Identification Revisited

[+] Author and Article Information
Sondipon Adhikari

Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ (U.K.)e-mail: sa225@eng.cam.ac.uk

J. Vib. Acoust 124(4), 617-627 (Sep 20, 2002) (11 pages) doi:10.1115/1.1500742 History: Received December 01, 2000; Revised April 01, 2002; Online September 20, 2002
Copyright © 2002 by ASME
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Grahic Jump Location
Linear array of N spring-mass oscillators, N=30,mu=1 kg,ku=10 N/m and cu=0.5 Nm/s.
Grahic Jump Location
Identified mass matrix for noise case (a).
Grahic Jump Location
Identified viscous damping matrix for noise case (a).
Grahic Jump Location
Identified viscous damping matrix for noise case (b).
Grahic Jump Location
Identified stiffness matrix for noise case (b).
Grahic Jump Location
Identified viscous damping matrix for noise case (c).



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