Grégory Legrain

Professeur, Ecole Centrale de Nantes - GeM, Institut de recherche en génie civil et mécanique

Documents

Identifiants chercheurs

gregory-legrain
ResearcherId : C-1959-2008
0000-0002-1780-6655
IdRef : 119066238
ResearcherId : http://www.researcherid.com/rid/C-1959-2008

Présentation

français
anglais

Publications

	Approches numériques innovantes pour l’endommagement, la rupture et les structures à géométrie complexe Grégory Legrain Mécanique des structures [physics.class-ph]. Université de Nantes, 2017 HDR tel-02563064v1

	Extension de l'approche X-FEM aux grandes transformations pour la ﬁssuration des milieux hyperélastiques Grégory Legrain Matériaux. Ecole Centrale de Nantes (ECN); Université de Nantes, 2006. Français. ⟨NNT : ⟩ Thèse tel-00495847v3

	Enforcement of interface laws for dissipative vibro-acoustic problems within high-order X-FEM Shaoqi Wu , Grégory Legrain , Olivier Dazel Computer Methods in Applied Mechanics and Engineering, 2023, 414, pp.116144. ⟨10.1016/j.cma.2023.116144⟩ Article dans une revue hal-04129615v1
	A computational approach based on X‐FEM for thin porous layers in acoustic problems Shaoqi Wu , Olivier Dazel , Grégory Legrain International Journal for Numerical Methods in Engineering, 2022, 123 (18), pp.4209-4243. ⟨10.1002/nme.7006⟩ Article dans une revue hal-03664171v1
	Non-Negative Moment Fitting Quadrature Rules for Fictitious Domain Methods Grégory Legrain Computers & Mathematics with Applications, 2021, 99, pp.270-291. ⟨10.1016/j.camwa.2021.07.019⟩ Article dans une revue hal-03326114v1
	High-order X-FEM for the simulation of sound absorbing poro-elastic materials with coupling interfaces Shaoqi Wu , Olivier Dazel , Gwénaël Gabard , Grégory Legrain Journal of Sound and Vibration, 2021, ⟨10.1016/j.jsv.2021.116262⟩ Article dans une revue hal-03248183v1
	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
	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
	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
	Low-rank approximate inverse for preconditioning tensor-structured linear systems Loïc Giraldi , Anthony Nouy , Grégory Legrain SIAM Journal on Scientific Computing, 2014, 36 (4), pp.A1850-A1870. ⟨10.1137/130918137⟩ Article dans une revue hal-01007458v1
	Modeling of thermophysical properties in heterogeneous periodic media according to a multi- scale approach: Effective conductivity tensor and edge effects A. Matine , Nicolas Boyard , Patrice Cartraud , Grégory Legrain , Y. Jarny International Journal of Heat and Mass Transfer, 2013, 62, pp.586-603. ⟨10.1016/j.ijheatmasstransfer.2013.03.036⟩ Article dans une revue hal-01007068v1
	Tensor-based methods for numerical homogenization from high-resolution images Loïc Giraldi , Anthony Nouy , Grégory Legrain , Patrice Cartraud Computer Methods in Applied Mechanics and Engineering, 2013, 254, pp.154-169. ⟨10.1016/j.cma.2012.10.012⟩ Article dans une revue hal-00762845v1
	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
	A NURBS Enhanced eXtended Finite Element Approach for Unfitted CAD Analysis Grégory Legrain Computational Mechanics, 2013, 52 (4), pp.913-929. ⟨10.1007/s00466-013-0854-7⟩ Article dans une revue hal-00812192v1
	Image-based computational homogenization and localization: comparison between X-FEM/levelset and voxel-based approaches Wei-Dong Lian , Grégory Legrain , Patrice Cartraud Computational Mechanics, 2012, ⟨10.1007/s00466-012-0723-9⟩ Article dans une revue hal-00703243v1
	Estimation of crack opening from a two-dimensional continuum-based finite element computation Frédéric Dufour , Grégory Legrain , Gilles Pijaudier-Cabot , Antonio Huerta International Journal for Numerical and Analytical Methods in Geomechanics, 2012, 36 (16), pp.1813-1830. ⟨10.1002/nag.1097⟩ Article dans une revue hal-00854615v1
	High Order X-FEM and Levelsets for Complex Microstructures: Uncoupling Geometry and Approximation Grégory Legrain , Nicolas Chevaugeon , Kristell Dréau Computer Methods in Applied Mechanics and Engineering, 2012, 241–244, pp.172-189. ⟨10.1016/j.cma.2012.06.001⟩ Article dans une revue hal-00703239v1
	On the use of the eXtended Finite Element Method with Quatree/Octree meshes Grégory Legrain , Raphaël Allais , Patrice Cartraud International Journal for Numerical Methods in Engineering, 2010, pp.0 Article dans une revue hal-00520034v1
	Routes for Efficient Computational Homogenization of Nonlinear Materials Using the Proper Generalized Decompositions Hajer Lamari , Amine Ammar , Patrice Cartraud , Grégory Legrain , Francisco Chinesta Archives of Computational Methods in Engineering, 2010, 17 (4), pp.373-391. ⟨10.1007/s11831-010-9051-4⟩ Article dans une revue hal-01528268v1
	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
	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
	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
	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
	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

	Nitsche-XFEM for pressure jump interface condition in vibro-acoustic problems in presence of porous materials Shaoqi Wu , Grégory Legrain , Olivier Dazel 15e colloque national en calcul des structures, Université Polytechnique Hauts-de-France [UPHF], May 2022, Hyères-les-Palmiers, France Communication dans un congrès hal-03718306v1
	Règles de quadrature "moment-fitting" positives pour les approches de domaines fictifs Grégory Legrain 15ème colloque national en calcul des structures, Université Polytechnique Hauts-de-France [UPHF], May 2022, 83400 Hyères-les-Palmiers, France Communication dans un congrès hal-03717693v1
	On performances of the Thick Level Set method in 3D quasi-static fracture simulation of quasi-brittle material Alexis Salzman , Nicolas Chevaugeon , Nicolas Moës , 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
	Contributions académiques à l'ANR ICARE Pierre Gosselet , Jean-Charles Passieux , Anthony Nouy , Grégory Legrain , Florent Pled Conférence NAFEMS, Jun 2016, Paris, France Communication dans un congrès hal-01349798v1
	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
	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
	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
	Estimation of effective thermal properties within heterogeneous periodic media according to a multi-scale approach. Edge effect analysis Abdelghani Matine , Nicolas Boyard , Yvon Jarny , Grégory Legrain , Patrice Cartraud International Conference on Inverse Problems in Engineering, Nov 2014, Kyoto, Japan. ⟨10.1016/j.ijheatmasstransfer.2013.03.036⟩ Communication dans un congrès hal-01317668v1
	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
	Approximation de faible rang de l'inverse d'un opérateur pour le pré-conditionnement de systèmes linéaires sur un espace produit tensoriel Loïc Giraldi , Anthony Nouy , Grégory Legrain 11e colloque national en calcul des structures, CSMA, May 2013, Giens, France Communication dans un congrès hal-01717101v1
	Hierarchical low-rank approximation of tensors by successive rank one corrections for preconditioning and solving high dimensional linear systems Loïc Giraldi , Anthony Nouy , Grégory Legrain 2nd ECCOMAS Young Investigators Conference (YIC 2013), Sep 2013, Bordeaux, France Communication dans un congrès hal-00855883v1
	Characterization of the thermal properties of composite materials : a space-time homogenization approach Abdelghani Matine , Nicolas Boyard , Yvon Jarny , Grégory Legrain , Patrice Cartraud 16th annual ESAFORM Conference on Material Forming, Apr 2013, Aveiro, Portugal Communication dans un congrès hal-01317652v1
	Treatment of blunt corners with the X-FEM Grégory Legrain , Nicolas Moes XFEM 2013, 2013, Lyon, France Communication dans un congrès hal-01009070v1
	Simulation non-conforme à partir de CAO : X-FEM et Nurbs Grégory Legrain 11e colloque national en calcul des structures, CSMA, May 2013, Giens, France Communication dans un congrès hal-01717084v1
	High-order X-FEM for image-based computations Grégory Legrain , Nicolas Chevaugeon 6th EUROPEAN CONGRESS ON COMPUTATIONAL METHODS IN APPLIED SCIENCES AND ENGINEERING (ECCOMAS 2012), 2012, Vienna, Austria Communication dans un congrès hal-01008256v1
	An integrated approach for image-based computation based on the X-FEM: Accuracy and high-order approximation. Grégory Legrain , Patrice Cartraud , Wei-Dong Lian 6th EUROPEAN CONGRESS ON COMPUTATIONAL METHODS IN APPLIED SCIENCES AND ENGINEERING (ECCOMAS 2012), 2012, Vienna, Austria Communication dans un congrès hal-01007862v1
	Tensor approximation methods for image-based computations. Loïc Giraldi , Anthony Nouy , Grégory Legrain , Patrice Cartraud ECCOMAS, 2012, Vienne, Austria Communication dans un congrès hal-01009001v1
	An X-FEM and level set approach for image-based computational homogenization Patrice Cartraud , Grégory Legrain , Wei-Dong Lian Euromech 537 - Multi-scale Computational Homogenization of Heterogeneous Structures and Materials, 2012, Marne-la-Vallée, France Communication dans un congrès hal-01007868v1
	Tensor approximation methods for multiscale stochastic analysis of materials Anthony Nouy , Patrice Cartraud , Loïc Giraldi , Grégory Legrain Euromech Colloquium 537, 2012, MArne-La-Vallée, France Communication dans un congrès hal-01009002v1
	Méthode PGD pour l'homogénéisation numérique à partir d'images de haute résolution. Loïc Giraldi , Grégory Legrain , Anthony Nouy , Patrice Cartraud 10e colloque national en calcul des structures, May 2011, Giens, France. pp.Clé USB Communication dans un congrès hal-00592788v1
	Simulations de géométries complexes avec X-FEM et Level-Sets : Séparation de l'approximation et de la géométrie Grégory Legrain , Nicolas Chevaugeon , Kristell Dréau 10e colloque national en calcul des structures, May 2011, Giens, France. pp.Clé USB Communication dans un congrès hal-00592785v1
	High order eXtended Finite Element Method and Level Sets: Uncoupling geometry and approximation Grégory Legrain , Nicolas Chevaugeon , Kristell Dréau International Conference on Extended Finite Element Methods - XFEM 2011, 2011, Cardiff, United Kingdom Communication dans un congrès hal-01008250v1
	Homogénéisation et prise en compte des effets de bords : Application à la thermique Abdelghani Matine , Nicolas Boyard , Patrice Cartraud , Grégory Legrain , Yvon Jarny CFM 2011 - 20e Congrès Français de Mécanique, Aug 2011, Besançon, France Communication dans un congrès hal-03422500v1
	Comparison of two approaches for error estimation with X-FEM Raphaël Allais , Grégory Legrain , Patrice Cartraud IV European Congress on Computational Mechanics (ECCM IV), 2010, Paris, France Communication dans un congrès hal-01007996v1
	Advanced Non-Linear Homogenization: Speeding-up Concurrent Simulations Hajer Lamari , Amine Ammar , Patrice Cartraud , Francisco Chinesta , Frédéric Jacquemin 4th European Conference on Computational Mechanics, 2010, Paris, France Communication dans un congrès hal-01007840v1
	Nonlocal damage based failure models, extraction of crack opening and transition to fracture Frédéric Dufour , Gilles Pijaudier-Cabot , Grégory Legrain EURO-C 2010 - Computational Modelling of Concrete Structures, Mar 2010, Schladming, Austria. pp.301-308 Communication dans un congrès hal-00867866v1
	Comparison of two Computational Approaches for Image-Based Micromechanical Modeling Wei-Dong Lian , Grégory Legrain , Patrice Cartraud IV European Congress on Computational Mechanics (ECCM IV), 2010, Paris, France Communication dans un congrès hal-01007997v1
	Application of the PGD to the Recursive Homogenization of Materials with random Microstructures Loïc Giraldi , Grégory Legrain , Patrice Cartraud , Francisco Chinesta Journées Annuelles de la Société Française de Métallurgie et de Matériaux, 2010, Paris, France Communication dans un congrès hal-01007899v1
	Recent Advances in Material Homogenization Hajer Lamari , Amine Ammar , Patrice Cartraud , Francisco Chinesta , Frédéric Jacquemin 13th ESAFORM Conference on Material Forming, 2010, Brechia, Italy. ⟨10.1007/s12289-010-0913-y⟩ Communication dans un congrès hal-01008739v1
	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
	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
	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
	Extraction of Crack Opening from a Nonlocal Damage Field Grégory Legrain , Frédéric Dufour , Antonio Huerta , Gilles Pijaudier-Cabot COMPLAS 2007, 2007, Barcelone, Spain Communication dans un congrès hal-01008217v1
	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 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
	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
	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
	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
	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

Grégory Legrain

Présentation

Publications

Approches numériques innovantes pour l’endommagement, la rupture et les structures à géométrie complexe

Extension de l'approche X-FEM aux grandes transformations pour la ﬁssuration des milieux hyperélastiques

Enforcement of interface laws for dissipative vibro-acoustic problems within high-order X-FEM

A computational approach based on X‐FEM for thin porous layers in acoustic problems

Non-Negative Moment Fitting Quadrature Rules for Fictitious Domain Methods

High-order X-FEM for the simulation of sound absorbing poro-elastic materials with coupling interfaces

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

Mixed dimensional modeling of reinforced structures

Treatment of nearly-singular problems with the X-FEM

Low-rank approximate inverse for preconditioning tensor-structured linear systems

Modeling of thermophysical properties in heterogeneous periodic media according to a multi- scale approach: Effective conductivity tensor and edge effects

Tensor-based methods for numerical homogenization from high-resolution images

Numerical simulation of CAD thin structures using the eXtended Finite Element Method and Level Sets

A NURBS Enhanced eXtended Finite Element Approach for Unfitted CAD Analysis

Image-based computational homogenization and localization: comparison between X-FEM/levelset and voxel-based approaches

Estimation of crack opening from a two-dimensional continuum-based finite element computation

High Order X-FEM and Levelsets for Complex Microstructures: Uncoupling Geometry and Approximation

On the use of the eXtended Finite Element Method with Quatree/Octree meshes

Routes for Efficient Computational Homogenization of Nonlinear Materials Using the Proper Generalized Decompositions

An X-FEM and Level Set computational approach for image-based modeling. Application to homogenization.

Robust and direct evaluation of J(2) in linear elastic fracture mechanics with the X-FEM

Stability of incompressible formulations enriched with X-FEM

Étude de la stabilité d'une formulation incompressible traitée par X-FEM

Stress analysis around crack tips in finite strain problems using the eXtended finite element method

Nitsche-XFEM for pressure jump interface condition in vibro-acoustic problems in presence of porous materials

Règles de quadrature "moment-fitting" positives pour les approches de domaines fictifs

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

Contributions académiques à l'ANR ICARE

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

Résolution de problèmes quasi-singuliers avec la méthode X-FEM

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

Estimation of effective thermal properties within heterogeneous periodic media according to a multi-scale approach. Edge effect analysis

High-order X-FEM to handle geometrical details : Improved convergence for quasi-singular solutions

Approximation de faible rang de l'inverse d'un opérateur pour le pré-conditionnement de systèmes linéaires sur un espace produit tensoriel

Hierarchical low-rank approximation of tensors by successive rank one corrections for preconditioning and solving high dimensional linear systems

Characterization of the thermal properties of composite materials : a space-time homogenization approach

Treatment of blunt corners with the X-FEM

Simulation non-conforme à partir de CAO : X-FEM et Nurbs

High-order X-FEM for image-based computations

An integrated approach for image-based computation based on the X-FEM: Accuracy and high-order approximation.

Tensor approximation methods for image-based computations.

An X-FEM and level set approach for image-based computational homogenization

Tensor approximation methods for multiscale stochastic analysis of materials

Méthode PGD pour l'homogénéisation numérique à partir d'images de haute résolution.

Simulations de géométries complexes avec X-FEM et Level-Sets : Séparation de l'approximation et de la géométrie

High order eXtended Finite Element Method and Level Sets: Uncoupling geometry and approximation

Homogénéisation et prise en compte des effets de bords : Application à la thermique

Comparison of two approaches for error estimation with X-FEM

Advanced Non-Linear Homogenization: Speeding-up Concurrent Simulations

Nonlocal damage based failure models, extraction of crack opening and transition to fracture

Comparison of two Computational Approaches for Image-Based Micromechanical Modeling

Application of the PGD to the Recursive Homogenization of Materials with random Microstructures

Recent Advances in Material Homogenization

Image-Based Computational Homogenization of Random Materials using Level Sets and X-FEM

Image-Based Computational Homogenization using Level Sets and X-FEM

Robust and Direct Evaluation of J2 in Linear Elastic Fracture Mechanics with the X-FEM

Extraction of Crack Opening from a Nonlocal Damage Field

Mixed X-FEM formulation for incompressible problems

Crack propagation in hyperelastic media using X-FEM

Crack propagation with X-FEM using material forces

Fissuration en grandes transformations avec X-FEM

Fracture with large deformation using X-FEM

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