A multiresolution analysis of scattering by a pair of local regions of complex heterogeneity

Ben Zion Steinberg*, John J. McCoy

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The scattering by a pair of spatially disjoint local regions of complex (multiscale) stiffness heterogeneity in an unbounded thin linearly elastic plate is investigated. Issues of the mutual interaction of the spatially disjoint scatterers and its manifestation within a homogenized, or effective, formulation governing large scale response fields are the focus. It is shown analytically and numerically that while one must incorporate scatterer/scatterer coupling for estimating the large scale response field, one can neglect this coupling in estimating the effective measures for describing the scatterers.

Original languageEnglish
Pages (from-to)1273-1281
Number of pages9
JournalJournal of the Acoustical Society of America
Volume103
Issue number3
DOIs
StatePublished - Mar 1998

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