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math.AP2022
Lamb modes and Born approximation for small shape defects inversion in elastic plates
Eric Bonnetier, Angele Niclas, Laurent Seppecher
The aim of this work is to present theoretical tools to study wave propagation in elastic waveguides and perform multi-frequency scattering inversion to reconstruct small shape def…
math.AP2022
The Helmholtz problem in slowly varying waveguides at locally resonant frequencies
Eric Bonnetier, Angèle Niclas, Laurent Seppecher +1
This article aims to present a general study of the Helmholtz problem in slowly varying waveguides. This work is of particular interest at locally resonant frequencies, where a phe…