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Shock and Vibration
Volume 1, Issue 6, Pages 507-527
http://dx.doi.org/10.3233/SAV-1994-1602

Characterization and Simulation of Transient Vibrations Using Band Limited Temporal Moments

David O. Smallwood

Sandia National Laboratories, Albuquerque, NM 87185, USA

Received 17 February 1994; Accepted 25 April 1994

Copyright © 1994 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A method is described to characterize shocks (transient time histories) in terms of the Fourier energy spectrum and the temporal moments of the shock passed through a contiguous set of band pass filters. The product model is then used to generate of a random process as simulations that in the mean will have the same energy and moments as the characterization of the transient event.