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Méthode innovante de calcul de champs cinématiques dérivés à partir de mesures de champs de déplacement pour la caractérisation du comportement dynamique de matériaux

Abstract : The following work aims at developing novel approaches to extract derived kinematic fields from fullfield measurements obtained with image-based techniques (Digital Image Correlation - DIC and the grid method). Within the framework of the identification of an elastic-viscoplastic behaviour, the objective is twofold : (1) - taking the high noise level of the raw signal into account (2) - controlling the spectrum range of the processed fields. Whichever the measurement technique, it is proposed first to smooth the maps with a multidimensionnal spectral method. Then, the derived fields are extracted using some advanced numerical methods.
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https://hal-uphf.archives-ouvertes.fr/hal-03442185
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Submitted on : Tuesday, November 23, 2021 - 9:07:14 AM
Last modification on : Wednesday, November 24, 2021 - 3:48:28 AM

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  • HAL Id : hal-03442185, version 1

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Pascal Bouda, Bertrand Langrand, Delphine Notta-Cuvier, Fabrice Pierron, Eric Markiewicz. Méthode innovante de calcul de champs cinématiques dérivés à partir de mesures de champs de déplacement pour la caractérisation du comportement dynamique de matériaux. 23ème Congrès Français de Mécanique, Aug 2017, Lille, France. ⟨hal-03442185⟩

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