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Article Dans Une Revue Physical Review E : Statistical, Nonlinear, and Soft Matter Physics Année : 2008

Diffusive wave spectroscopy applied to the spatially resolved deformation of a solid

Axelle Amon
Jérôme Crassous
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Résumé

We propose an experimental setup based on diffusive wave spectroscopy for studying deformations of a solid material. The scattered waves are measured during the deformation of the solid material at different locations of its surface. The correlations of the scattered intensities are measured. The loss of correlation can be related to the invariants of the strain tensor of the solid, giving us a spatially resolved determination of the deformation near the surface. Experiments dealing with a point stress on plate for two kinds of elastic materials are presented and compared with the theoretical predictions.
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hal-00673394 , version 1 (23-02-2012)

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Marion Erpelding, Axelle Amon, Jérôme Crassous. Diffusive wave spectroscopy applied to the spatially resolved deformation of a solid. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2008, 78 (4), pp.46104. ⟨10.1103/PHYSREVE.78.046104⟩. ⟨hal-00673394⟩
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