A Review of Methods of Equivalent Damping Estimation From Experimental Data

[+] Author and Article Information
A. H. Hadjian

Bechtel Western Power Corporation, Los Angeles, Calif. 90060

S. F. Masri, A. F. Saud

Department of Civil Engineering, University of Southern California, Los Angeles, Calif. 90089

J. Pressure Vessel Technol 109(2), 236-243 (May 01, 1987) (8 pages) doi:10.1115/1.3264902 History: Received January 08, 1986; Revised October 30, 1986; Online November 05, 2009


The computational problems associated with the estimation of damping, particularly in piping systems, is discussed in detail and appropriate procedures are recommended to minimize their impact. The theoretical background and the related basic assumptions in each of these methods is given first in order that the approximations introduced in practical problems is better understood. This understanding then leads to alternative procedures where more adequate and useful results are expected. The objective of this effort is to help homogenize the existing damping data by the use of systematic procedures and hence to reduce the variability of damping estimates in piping systems.

Copyright © 1987 by ASME
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