A Time Domain Substructure Synthesis Method for Viscoelastic Structures

[+] Author and Article Information
Duan Qian

de Havilland, Inc., Downsview, ON M3K 1Y5, Canada

J. S. Hansen

Institute for Aerospace Studies, University of Toronto, Toronto, ON M3H 5T6, Canada

J. Appl. Mech 62(2), 407-413 (Jun 01, 1995) (7 pages) doi:10.1115/1.2895945 History: Received July 23, 1993; Revised August 16, 1994; Online October 30, 2007


The method of substructure synthesis, originally conceived for undamped and viscously damped systems, has been extended to systems with viscoelastic damping in the hereditary integral form. Based on a new variational principle, the substructure synthesis method is formulated in the time domain. The displacement in each substructure is represented by a set of real admissible trial vectors. The traditional state space formulation is avoided by the proposed method so that the approach is independent of the form of viscoelastic models. Effectiveness of the method is illustrated through numerical examples.

Copyright © 1995 by The American Society of Mechanical Engineers
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