Design of Passive Damping Systems

[+] Author and Article Information
C. D. Johnson

CSA Engineering, Inc., 2850 West Bayshore Road, Palo Alto, CA 94303-3843

J. Vib. Acoust 117(B), 171-176 (Jun 01, 1995) (6 pages) doi:10.1115/1.2838659 History: Received November 01, 1994; Online February 26, 2008


This paper presents a brief review of techniques for designed-in passive damping for vibration control. Designed-in passive damping for structures is usually based on one of four damping technologies: viscoelastic materials, viscous fluids, magnetics, or passive piezoelectrics. These methods are discussed and compared. The technology of using viscoelastic materials for passive damping is discussed in more detail than the other methods since it is presently the most widely used type of damping technology. Testing and characterization of viscoelastic materials and design methods for passive damping are discussed. An example showing the benefits of a passive damping treatment applied to a stiffened panel under an acoustic load is presented.

Copyright © 1995 by The American Society of Mechanical Engineers
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