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Article type: Research Article
Authors: Mounajed, Ghassana | Grondin, Frédérica; b; * | Dumontet, Hélèneb | Hamida, Abdelwahed Benb
Affiliations: [a] Centre Scientifique et Technique du Bâtiment, Division MOCAD, 84 av. Jean Jaurès, 77421 Champs-sur-Marne Cedex 2, France | [b] Université P. et M. Curie, Institut J. le R. d'Alembert, CNRS UMR 7190, 4 place Jussieu, 75252 Paris Cedex 05, France
Correspondence: [*] Corresponding author. E-mail: dumontet@ccr.jussieu.fr
Abstract: This article presents a numerical method of homogenization in thermo-hydro-mechanic for materials based on the choice of a representative volume in which heterogeneities are generated in random process. The numerical model is used to predict elastic behaviour as well as thermal damage behaviour and the concrete permeability. This numerical model is developed and implemented in the general finite element code 'SYMPHONIE'. The Digital concrete model is used then to the calculation of the High Strength Concrete behaviour. Obtained results appear in good agreement with experimental measures and show the capacity of the model to take in account the size distribution of aggregates and pores of concrete. Furthermore, this method allows through the process of localization to estimate the local fields and to predict possible damages of the material.
Keywords: Stochastic homogenization, digital concrete, thermo-hydro-mechanical behaviour, localization
DOI: 10.3233/JCM-2006-65-606
Journal: Journal of Computational Methods in Sciences and Engineering, vol. 6, no. 5-6, pp. 325-337, 2006
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