Enhanced features of a constitutive equation gap identification method for heterogeneous elastoplastic behaviours

Abstract : To identify mechanical properties in heterogeneous materials, the local stress fields have to be estimated. The recent developments in imaging techniques allow reaching precise and spatially dense kinematic fields (e.g. displacement, strain ...). In this paper, an iterative procedure is used to identify the distribution of elastoplastic material parameters and the local stress fields. The formulation and the principle of the method are briefly presented while attention is paid to check its reliability and efficiency on finite element simulation data as reference full-field measurements. The method is also applied to noisy measured displacement fields to assess its robustness.
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Advanced Modeling and Simulation in Engineering Sciences, SpringerOpen, 2017, 4 (5), 〈10.1186/s40323-017-0092-1〉
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Soumis le : mardi 19 décembre 2017 - 15:25:40
Dernière modification le : mercredi 13 juin 2018 - 09:56:06

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T. Madani, Yann Monerie, Stéphane Pagano, Céline Pelissou, Bertrand Wattrisse. Enhanced features of a constitutive equation gap identification method for heterogeneous elastoplastic behaviours. Advanced Modeling and Simulation in Engineering Sciences, SpringerOpen, 2017, 4 (5), 〈10.1186/s40323-017-0092-1〉. 〈hal-01667738〉

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