Elastic wedge diffraction, with applications to non-destructive evaluation

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• Larissa Fradkin (Sound Mathematics Ltd)
• Thursday 15 August 2019, 16:00-16:30
• Seminar Room 1, Newton Institute.

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WHTW01 - Factorisation of matrix functions: New techniques and applications

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.

This talk is part of the Isaac Newton Institute Seminar Series series.

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