OPTIMIZATION AND VALIDATION OF A CRUCIFORM GEOMETRY FOR THE IDENTIFICATION OF ELASTOPLASTIC MODELS

Abstract : A method based upon the sensitivity fields is proposed to optimize biaxial experimental procedures. The objective is to improve the identifiability of elastic parameters related to an a priori chosen constitutive law. This is achieved by minimizing the covariance matrix of the material parameters. This approach unifies full field measurements via image correlation, numerical simulations and identification procedure. The latter is performed on a biaxial experiment and aims at identifying elasto-plastic models.
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https://hal.archives-ouvertes.fr/hal-01151221
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Submitted on : Tuesday, May 12, 2015 - 3:44:01 PM
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Morgan Bertin, François Hild, Stéphane Roux, Florent Mathieu, Hugo Leclerc. OPTIMIZATION AND VALIDATION OF A CRUCIFORM GEOMETRY FOR THE IDENTIFICATION OF ELASTOPLASTIC MODELS. Photomechanics, May 2015, Delft, Netherlands. ⟨hal-01151221⟩

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