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Investigation into the phase characteristics of wave fields

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conference contribution
posted on 2010-12-23, 17:06 authored by Stephen Walsh, L. Wang
The aim of the work reported in this paper is to establish a method of determining the diffusivity of an SEA subsystem using the phase of transfer functions. Specifically, this paper reports an investigation into the phase characteristics of transfer functions obtained using two flat plate structures. In the first experiment the phase characteristics of bending waves in a directional field are obtained using a perspex plate with additive damping. In the second experiment the phase characteristics of bending waves in a diffuse field are obtained from a freely suspended steel plate. The experimental data are normalised and compared to theoretical formula and limits for the diffuse field and direct field proposed.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Aeronautical and Automotive Engineering

Citation

WALSH, S.J. and WANG, L., 2001. Investigation into the phase characteristics of wave fields. Proceedings of the Eighth International Congress on Sound and Vibration, 4, Hong Kong, China, July 2001, pp. 2305-2312.

Publisher

Department of Mechanical Engineering, The Hong Kong Polytechnic University

Version

  • AM (Accepted Manuscript)

Publication date

2001

Notes

This is a conference paper.

ISBN

9623673213

Language

  • en

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