Diffuse elastic waves at a free surface

Research output: Contribution to journalArticle

Abstract

For a diffusely vibrating elastic body, the participation of the surface in the general disturbance is evaluated. It is shown that in the vicinity of a free surface a diffuse acoustic field may legitimately be regarded as a sum of incoherent isotropic and homogeneous independent plane waves incident upon the surface together with their respective outgoing reflected consequences. The work contributes to a conceptual basis for the study of acoustic emission signals on time scales large compared to acoustic travel times across the structure.

Original languageEnglish (US)
Pages (from-to)131-136
Number of pages6
JournalJournal of the Acoustical Society of America
Volume78
Issue number1
DOIs
StatePublished - Jul 1985

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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