Ultrasonic Wave Scattering by a Crack in a Composite Plate

by W. M. Karunasena, Univ of Manitoba, Winnipeg, Canada,
A. H. Shah, Univ of Manitoba, Winnipeg, Canada,
H. D. Mair, Univ of Manitoba, Winnipeg, Canada,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract: A hybrid method is presented for analyzing ultrasonic wave scattering of plane strain waves by a crack in a composite plate. The hybrid method combines a finite element formulation in a bounded interior region with a wave function expansion representation in an unbounded exterior region. The technique presented here is useful for characterizing cracks in laminated composite plates.

Subject Headings: Ultrasonic methods | Plates | Composite materials | Hybrid methods | Cracking | Finite element method | Plane strain | Materials characterization

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