Finite Element Stereo Digital Image Correlation: Framework and Mechanical Regularization

Abstract : The use of Finite Element meshes in Digital Image Correlation (FE-DIC) is now widespread in experimental mechanics. Up to now FE have been much less used in Stereo-DIC. The first goal of this paper is to explain in details how to use FE in Stereo-DIC using a formulation in the physical coordinate system. More precisely, it is shown how to perform the calibration of possibly nonlinear models, shape and displacement measurement based on a FE mesh. In addition it is shown that with such a framework it is possible to regularise the measurement with a FE model based on the same mesh. For instance, using this technique, it is shown that it is possible to measure the rotation field of a bending plate in addition to its displacement.
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Experimental Mechanics, Society for Experimental Mechanics, 2017, 57 (3), p.443-456. 〈https://link.springer.com/article/10.1007%2Fs11340-016-0246-y〉. 〈10.1007/s11340-016-0246-y〉
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https://hal.archives-ouvertes.fr/hal-01491444
Contributeur : Jean-Charles Passieux <>
Soumis le : jeudi 16 mars 2017 - 18:32:09
Dernière modification le : vendredi 10 novembre 2017 - 11:12:03
Document(s) archivé(s) le : samedi 17 juin 2017 - 15:12:02

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Jean-Emmanuel Pierré, Jean-Charles Passieux, Jean-Noël Périé. Finite Element Stereo Digital Image Correlation: Framework and Mechanical Regularization. Experimental Mechanics, Society for Experimental Mechanics, 2017, 57 (3), p.443-456. 〈https://link.springer.com/article/10.1007%2Fs11340-016-0246-y〉. 〈10.1007/s11340-016-0246-y〉. 〈hal-01491444〉

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