Simulation by periodic homogenization of the behavior of a polycrystalline material in large elastoplastic transformations

Autor: Olivier Débordes, Abdelwaheb Dogui, Sameth Elbououni, Stéphane Bourgeois

Publikováno v: Journal Physique IV
Journal Physique IV, 2003, 105, pp.123-130
Scopus-Elsevier

We present an approach based on periodic homogenization theory, in order to numerically study the anisotropy due to large elastic-plastic strains. This work presents a two levels finite element method to calculate an elastic-plastic polycristalline s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::919c522ad251a8fda878038493c3b7eb
https://doi.org/10.1051/jp4:20030179

Averaging properties for periodic homogenization and large deformation

Autor: Olivier Débordes, Laurent Duchene, Abdelwaheb Dogui, Mohamed Ben Bettaieb

Publikováno v: International Journal for Multiscale Computational Engineering
International Journal for Multiscale Computational Engineering, Begell House, 2012, 10 (3), pp.281-293. ⟨10.1615/IntJMultCompEng.2012002587⟩
International Journal for Multiscale Computational Engineering, 2012, 10 (3), pp.281-293. ⟨10.1615/IntJMultCompEng.2012002587⟩

International audience; The main motivation of this paper consists of using the periodic homogenization theory to derive several relations between macroscopic Lagrangian (e.g., deformation gradient, Piola-Kirchhoff tensor) and Eulerian (e.g., velocit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8429cb0c0957e3e5603b235f107ee4ef
https://hal.archives-ouvertes.fr/hal-00704056

A direct method for the determination of effective strength domains for periodic elastic-plastic media

Autor: Stéphane Bourgeois, Hélène Magoariec, Olivier Débordes

Publikováno v: Limit states of materials and structures
Dieter Weichert and Alan Ponter. Limit states of materials and structures, Springer Netherlands, pp.67-86, 2009, ⟨10.1007/978-1-4020-9634-1⟩
Limit States of Materials and Structures ISBN: 9781402096334

This work is devoted to the analysis of the mechanical strength of heterogeneous periodic media submitted to variable loads. The shakedown static approach is coupled with the homogenisation theory to obtain the strength domains: the effective ultimat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::651ec0e1045e82769d9170220c04308a
https://hal.archives-ouvertes.fr/hal-00368851

Analysis of a thermoviscoelastic model in large strain

Autor: Adnane Boukamel, Olivier Débordes, Stéphane Méo

Publikováno v: Computers and Structures
Computers and Structures, Elsevier, 2002, 80, pp.2085-2098. ⟨10.1016/S0045-7949(02)00246-8⟩
Computers & Structures
Computers & Structures, 2002, 80, pp.2085-2098. ⟨10.1016/S0045-7949(02)00246-8⟩

International audience; This paper deals with a thermoviscoelastic model and its analysis. The mechanical formulation is based on the generalization to large strain of the Poynting-Thomson rheological model. The heat transfers are governed by the cla

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc3a4681e10c4a8cde99f826cb7213fb
https://hal-univ-tours.archives-ouvertes.fr/hal-01236414/document

Calcul des structures et architectures de logiciels

Autor: Olivier Débordes

Publikováno v: 4ème Colloque national en calcul des structures
4ème Colloque national en calcul des structures, May 1999, Giens, France
Revue Européenne des Éléments Finis
Revue Européenne des Éléments Finis, HERMÈS / LAVOISIER, 2000, 9 (1-2-3), pp.29-48
Revue Européenne des Éléments Finis, 2000, 9 (1-2-3), pp.29-48

For the past thirty years, the evolution of structural analysis softwares has been closely related to the evolution of computer science. Hence, we study how the recent developments of object concepts may influence the architecture of softwares for nu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6289aa2ec9432984e7fcfbd1352aa21
https://hal.archives-ouvertes.fr/hal-00460674