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Elastic wedge diffraction, with applications to non-destructive evaluation

Presented by: 
Larissa Fradkin
Date: 
Thursday 15th August 2019 - 16:00 to 16:30
Venue: 
INI Seminar Room 1
Abstract: 

Co-authors: Samar Chehade and Michel Darmon

Diffraction of the elastic plane wave by an infinite straight-edged 2D or 3D wedge made of an isotropic solid is a canonical problem that has no analytical solution. We review three major semi-analytical approaches to this problem and discuss their application in non-destructive evaluation as well as testing, cross-validation and experimental validation. We draw attention to high sensitivity of the backscatter diffraction coefficients to the Poisson ratio.

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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons