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Grégory Legrain

Professeur, Ecole Centrale de Nantes - GeM, Institut de recherche en génie civil et mécanique
24
Documents
Identifiants chercheurs

Présentation

**Thèmes de recherche** - Partition of Unity Methods / X-FEM \- High Order Finite Element Methods \- Fictitious Domain Methods \- Nonlinear Fracture Mechanics \- Damage Mechanics \- Image-Based Analysis \- Numerical Homogenization \- Model Order Reduction **Formation** \- Habilitation à Diriger des Recherches, 2017 \- Docteur de l'Ecole Centrale de Nantes, 2006 \- DEA Génie Mécanique option calcul de structures, Ecole Centrale de Nantes, 2003 \- Agrégé de mécanique, 2002 \- Ancien élève de l'Ecole Normale Supérieure de Paris Saclay, 1999-2003
**Thèmes de recherche** - Partition of Unity Methods / X-FEM \- High Order Finite Element Methods \- Fictitious Domain Methods \- Nonlinear Fracture Mechanics \- Damage Mechanics \- Image-Based Analysis \- Numerical Homogenization \- Model Order Reduction **Formation** \- Habilitation Nantes University, 2017 \- PhD Ecole Centrale de Nantes, 2006 \- Master Ecole Centrale de Nantes, 2003 \- Bachelor Ecole Normale Supérieure de Paris Saclay, 1999-2003

Publications

"nicolas-moes"
Image document

Adaptive anisotropic integration scheme for high-order fictitious domain methods: Application to thin structures

Grégory Legrain , Nicolas Moes
International Journal for Numerical Methods in Engineering, 2018, 114 (8), pp.882-904. ⟨10.1002/nme.5769⟩
Article dans une revue hal-01682264v1
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Mixed dimensional modeling of reinforced structures

Benoît Lé , Grégory Legrain , Nicolas Moes
Finite Elements in Analysis and Design, 2017, 128, pp.1 - 18. ⟨10.1016/j.finel.2017.01.002⟩
Article dans une revue hal-01432692v1
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Treatment of nearly-singular problems with the X-FEM

Grégory Legrain , Nicolas Moës
Advanced Modeling and Simulation in Engineering Sciences, 2014, pp.1-13. ⟨10.1186/s40323-014-0013-5⟩
Article dans une revue hal-01015607v1
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Numerical simulation of CAD thin structures using the eXtended Finite Element Method and Level Sets

Grégory Legrain , Christophe Geuzaine , J. F. Remacle , Nicolas Moes , P. Cresta
Finite Elements in Analysis and Design, 2013, 77, pp.40-58. ⟨10.1016/j.finel.2013.08.007⟩
Article dans une revue hal-01007128v1
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An X-FEM and Level Set computational approach for image-based modeling. Application to homogenization.

Grégory Legrain , Patrice Cartraud , Irina Perreard , Nicolas Moes
International Journal for Numerical Methods in Engineering, 2010, 86 (7), pp.915-934. ⟨10.1002/nme.3085⟩
Article dans une revue hal-00526589v1
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Robust and direct evaluation of J(2) in linear elastic fracture mechanics with the X-FEM

Grégory Legrain , Nicolas Moes , Erwan Verron
International Journal for Numerical Methods in Engineering, 2008, 76 (10), pp.1471-1488. ⟨10.1002/nme.2366⟩
Article dans une revue hal-01007266v1
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Stability of incompressible formulations enriched with X-FEM

Grégory Legrain , Nicolas Moes , Antonio Huerta
Computer Methods in Applied Mechanics and Engineering, 2008, 197 (21 24), pp.1835-1849. ⟨10.1016/j.cma.2007.08.032⟩
Article dans une revue hal-01007317v1
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Étude de la stabilité d'une formulation incompressible traitée par X-FEM

Grégory Legrain , Nicolas Moes , Antonio Huerta
Revue Européenne des Éléments Finis, 2006, 15 (Numéro spécial GIENS 2005), pp.257-268. ⟨10.3166/remn.15.257-268⟩
Article dans une revue hal-01006812v1
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Stress analysis around crack tips in finite strain problems using the eXtended finite element method

Grégory Legrain , Nicolas Moes , Erwan Verron
International Journal for Numerical Methods in Engineering, 2005, 63 (2), pp.290 - 314. ⟨10.1002/nme.1291⟩
Article dans une revue hal-00496953v1

On performances of the Thick Level Set method in 3D quasi-static fracture simulation of quasi-brittle material

Alexis Salzman , Nicolas Chevaugeon , Nicolas Moes , Grégory Legrain
CFRAC2017, Fifth International Conference on Computational Modeling of Fracture and Failure of Materials and Structures, Jun 2017, Nantes, France. pp.37-38
Communication dans un congrès hal-04503862v1
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Résolution de problèmes quasi-singuliers avec la méthode X-FEM

Grégory Legrain , Nicolas Moes
12e Colloque national en calcul des structures, CSMA, May 2015, Giens, France
Communication dans un congrès hal-01515067v1

An efficient and accurate integration scheme for fictitious domain methods based on level-sets and anisotropic meshing

Grégory Legrain , Nicolas Moes
13th U.S. National Congress on Computational Mechanics (USNCCM13), Jul 2015, San Diego, United States
Communication dans un congrès hal-01317687v1
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High-order X-FEM to handle geometrical details : Improved convergence for quasi-singular solutions

Grégory Legrain , Nicolas Moes
11th World congress on computational mechanics, Jul 2014, Barcelona, Spain
Communication dans un congrès hal-01317655v1

Resolution strategies for nearly singular solutions using non-conforming high-order grids

Grégory Legrain , Nicolas Moes
Sixth International Workshop on High-Order Finite Element and Isogeometric Methods (HOFEIM 2014), Jul 2014, Frauenchiemsee Island, Germany
Communication dans un congrès hal-01317664v1

Treatment of blunt corners with the X-FEM

Grégory Legrain , Nicolas Moes
XFEM 2013, 2013, Lyon, France
Communication dans un congrès hal-01009070v1
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Robust and Direct Evaluation of J2 in Linear Elastic Fracture Mechanics with the X-FEM

Grégory Legrain , Nicolas Moes , Erwan Verron
WCCM - Eccomas 2008, Jun 2008, Venice, Italy
Communication dans un congrès hal-01008855v1
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Image-Based Computational Homogenization using Level Sets and X-FEM

Patrice Cartraud , Grégory Legrain , Raphaël Allais , Nicolas Moes
2nd International Fraunhofer Workshop -3D Imaging, Analysis, Modelling and Simulation of Macroscopic Properties, 2008, Kaiserslautern, Germany
Communication dans un congrès hal-01008288v1
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Image-Based Computational Homogenization of Random Materials using Level Sets and X-FEM

Patrice Cartraud , Irina Ionescu , Grégory Legrain , Nicolas Moes
8th World Congress on Computational Mechanics (WCCM8), 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), 2008, Venice, Italy
Communication dans un congrès hal-01008287v1

Crack propagation in hyperelastic media using X-FEM

Grégory Legrain , Nicolas Moes , Erwan Verron
CFRAC 2007 International Conference on Computational Fracture and Failure of Materials and Structures, 2007, Nantes, France
Communication dans un congrès hal-01008042v1

Mixed X-FEM formulation for incompressible problems

Antonio Huerta , Nicolas Moes , Grégory Legrain , E. Sala-Lardies
10th ESAFORM conference on material forming, 2007, Zaragoza, Spain
Communication dans un congrès hal-01008441v1

Crack propagation with X-FEM using material forces

Grégory Legrain , Erwan Verron , Nicolas Moes
6th European Solid Mechanics Conference (ESMC2006), 2006, Budapest, Hungary
Communication dans un congrès hal-01008043v1
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Fissuration en grandes transformations avec X-FEM

Grégory Legrain , Nicolas Moes , Erwan Verron
7e colloque national en calcul des structures, CSMA, May 2005, Giens, France
Communication dans un congrès hal-01812953v1

Etude des forts gradients de contraintes en pointe de fissure dans un élastomère

Grégory Legrain , Nicolas Moes , Erwan Verron
Journée Thématique SF2M Ouest 2004, 2004, Ecole Centrale de Nantes, France
Communication dans un congrès hal-01008160v1

Fracture with large deformation using X-FEM

Grégory Legrain , Nicolas Moes , Erwan Verron
Fourth European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS), 2004, Jyväskylä, Finland
Communication dans un congrès hal-01008234v1