EXPERIMENTAL STUDIES OF DIFFUSE WAVES FOR SOURCE CHARACTERIZATION.

Research output: Contribution to conferencePaperpeer-review

Abstract

Recent theoretical work applying diffuse field concepts to the acoustics of finite elastic bodies has suggested some applications to acoustic emission source characterization. In particular it has been suggested that limited information on source type, location and orientation is recoverable in some structures for which Green's functions on long time scales are unavailable. The information is presumed present in the frequency distribution of energy of the reverberant diffuse sound field after times long compared to acoustic travel times across the structure. The purpose of the present work is to investigate conclusions that some source character information remains in the fully developed and apparently randomized response of finite thick elastic plates. By implication the basic concepts behind the idea of a diffuse field are investigated as well.

Original languageEnglish (US)
Pages54-57
Number of pages4
StatePublished - Dec 1 1985

ASJC Scopus subject areas

  • Engineering(all)

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