CUED Publications database

Boundary effects on the vibration statistics of a random plate

Choi, W and Langley, RS and Woodhouse, J (2013) Boundary effects on the vibration statistics of a random plate. Journal of Sound and Vibration, 332. pp. 850-866. ISSN 0022-460X

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Abstract

This paper considers the estimation of statistics of displacement of a vibrating rectangular plate with random wave scatterers. The influence of uncertainty is investigated using point impedance theory. Coherent boundary effects are seen, which decrease when the number of scatterers increases. The boundary effect is investigated using images and the first side and corner reflections are found to be a minimum requirement to estimate the spatial correlation. Statistics for point driven response are investigated under the assumption that the statistics of the natural frequencies follow those of the Gaussian Orthogonal Ensemble (GOE). The estimates are compared with Monte Carlo simulation results, and they show good agreement. © 2012 Elsevier Ltd. All rights reserved.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div C > Applied Mechanics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:21
Last Modified: 10 Dec 2014 18:45
DOI: 10.1016/j.jsv.2012.09.029