Antoine Legay

Publications dans HAL

Article dans une revue

The extended finite element method combined with a modal synthesis approach for vibro-acoustic problems

Antoine Legay

International Journal for Numerical Methods in Engineering, 2014, 101, pp.329 - 350. ⟨10.1002/nme.4798⟩

Enriched space-time finite elements for fluid-structure interaction

Antoine Legay, Andreas Zilian

European Journal of Computational Mechanics, 2008, 17 (5-7), pp.725-736. ⟨10.3166/remn.17.725-736⟩

An Eulerian−Lagrangian method for fluid−structure interaction based on level sets

Antoine Legay, John F. Chessa, Ted Belytschko

Computer Methods in Applied Mechanics and Engineering, 2006, 195 (17-18), pp.2070-2087. ⟨10.1016/j.cma.2005.02.025⟩

Strong and weak arbitrary discontinuities in spectral finite elements

Antoine Legay, Hongwu Wang, Ted Belytschko

International Journal for Numerical Methods in Engineering, 2005, 64 (8), pp.991-1008. ⟨10.1002/nme.1388⟩

Elastoplastic stability analysis of shells using the physically stabilized finite element SHB8PS

Antoine Legay, Alain Combescure

International Journal for Numerical Methods in Engineering, 2003, 57 (9), pp.1299-1322. ⟨10.1002/nme.728⟩

Communication dans un congrès

Towards an efficient strategy for the optimal design of aerospace structures with local nonlinearities in vibration dynamics

Quentin Ragueneau, Romain Crambuer, Luc Laurent, Antoine Legay, Nicolas Roy

European Conference on Spacecraft Structures Matérials and Environmental Testing - ECSSMET 2024, European Space Agency, Sep 2024, Noordwijk, Netherlands

Constrained Parametric Global Optimization of a Vibration Problem with Non-Linear Interfaces

Luc Laurent, Quentin Ragueneau, Antoine Legay, Thomas Larroque, Romain Crambuer

16th World Congress on Computational Mechanics and 4th Pan American Congress on Computational Mechanics, Jul 2024, Vancouver (BC), Canada

Rigidification de structures en statique et réduction des vibrations avec matériau viscoélastique en dynamique à l'aide de l'optimisation topologique

Antoine Legay, Sylvain Burri

16ème Colloque National en Calcul de Structures, CNRS, CSMA, ENS Paris-Saclay, CentraleSupélec, May 2024, Giens, France

Optimisation Bayésienne sous contraintes appliquée à l'étude vibratoire de structures intégrant des non-linéarités localisées

Luc Laurent, Quentin Ragueneau, Antoine Legay, Thomas Larroque, Romain Crambuer

16ème Colloque National en Calcul de Structures, CNRS, CSMA, ENS Paris-Saclay, CentraleSupélec, May 2024, Giens, France

Réduction de modèle en dynamique transitoire non-linéaire de structures assemblées

Florian Dupont, Luc Laurent, Antoine Legay

16ème Colloque National en Calcul de Structures, CNRS, CSMA, ENS Paris-Saclay, CentraleSupélec, May 2024, Giens, France

Global Parametric Optimization for Structures with Nonlinear Joints in Vibration

Quentin Ragueneau, Luc Laurent, Antoine Legay, Thomas Larroque, Romain Crambuer

Third International Nonlinear Dynamics Conference, NODYCON 2023, Jun 2023, Rome, Italy

Strategy for Global Parametric Optimization in Nonlinear Vibration: Application on a Gantry Crane

Quentin Ragueneau, Luc Laurent, Antoine Legay, Thomas Larroque, Romain Crambuer

9th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2023, ECCOMAS, Jun 2023, Athens, Greece

Gradient-Based Optimization of Structures Immersed in an Acoustic Cavity Using XFEM, ROM and Surrogate Model

Luc Laurent, Antoine Legay

The 8th European Congress on Computational Methods in Applied Sciences and Engineering ECCOMAS Congress 2022, Jun 2022, Oslo, Norway

Efficient parametric derivative computations of the pressure in an acoustic cavity with immersed structures

Antoine Legay, Luc Laurent

The 8th European Congress on Computational Methods in Applied Sciences and Engineering ECCOMAS Congress 2022, Jun 2022, Oslo, Norway

Gradients du champ acoustique par rapport à la position et la forme d'une paroi rigide dans une cavité à l'aide d'un modèle réduit et d'XFEM

Antoine Legay, Luc Laurent

15ème colloque national en calcul des structures, Université Polytechnique Hauts-de-France [UPHF], May 2022, 83400 Hyères-les-Palmiers, France

Optimization of Structure Positions in an Acoustic Cavity Using XFEM, Reduced Models and a Gradient-Based Surrogate Model Approach

Antoine Legay, Luc Laurent

16th U.S. National Congress on Computational Mechanics, USACM, Jul 2021, Chicago, United States

Parametric Optimization of Structures Positions in Acoustic Cavity Based on XFEM, Reduced Order Model and a Gradient-Based Surrogate Model

Luc Laurent, Antoine Legay

14th World Congress of Computational Mechanics - ECCOMAS 2020, Jan 2021, Paris, France

Thin wall optimal positioning in an acoustic cavity using XFEM and a gradient-based approach

Antoine Legay, Luc Laurent

eXtended Discretization MethodS for partial differential equations on complex and evolving domains, X-DMS 2019, Jul 2019, Lugano, Switzerland

Gradient-based Approach using Xfem and Cokriging for Optimal Positioning of a Structure in an Acoustic Cavity

Luc Laurent, Antoine Legay

13th World Congress of Structural and Multidisciplinary Optimisation, WCSMO 13, May 2019, Beijing, China

Approche par gradients et métamodèle pour le placement optimal de parois structurelles dans une cavité acoustique

Luc Laurent, Antoine Legay

14e colloque national en calcul des structures, May 2019, Giens, France

Topology optimization and model reduction of elastomer damping devices

Antoine Legay, Sylvain Burri, Jean-François Deü

13th World Congress on Computational Mechanics, WCCM XIII, Jul 2018, New York City, New York, USA, Unknown Region

Gradient-Enhanced Parametric Optimization of Vibro-Acoustic Problem using Xfem and a Dedicated Metamodel

Luc Laurent, Antoine Legay

13th World Congress on Computational Mechanics, WCCM XIII and the 2nd Pan American Congress on Computational Mechanics, University Jul 2018, New York, United States

Thin wall optimal positioning in an acoustic cavity using Xfem and a gradient-enhanced metamodel

Antoine Legay, Luc Laurent

6th European Conference on Computational Mechanics (ECCM 6), Jun 2018, Glasgow, United Kingdom

Topology optimization of elastomer damping devices for structural vibration reduction

Sylvain Burri, Antoine Legay, Jean-François Deü

6th European Conference on Computational Mechanic (Solids, Structures and Coupled Problems), ECCM 6, Jun 2018, Glasgow, UK, Unknown Region

Finite element modelling of viscoelastic interfaces

Lucie Rouleau, Jean-François Deü, Antoine Legay

20th International Conference on Composite Structures, ICCS 20, Sep 2017, Paris, France

Reduced Order Models and optimization of elastomer damping devices

Antoine Legay, Jean-François Deü, Benjamin Morin, Sylvain Burri

14th U.S. National Congress on Computational Mechanics, USNCCM 14, Jul 2017, Montreal, Quebec, Canada

Thin wall optimal positioning in an acoustic cavity using XFEM, reduced models and surrogate based optimization

Antoine Legay, Luc Laurent

eXtended Discretization MethodS for partial differential equations on complex and evolving domains, X-DMS 2017, Jun 2017, Umeå, Sweden

Optimal positioning of a wall in an acoustic cavity using reduced models and surrogate based optimization

Luc Laurent, Antoine Legay

12th World Congress of Structural and Multidisciplinary Optimisation, WCSMO 12, Jun 2017, Braunschweig, Germany

Positionnement optimal de parois en vibro-acoustique à l'aide de modèles réduits et d'optimisation par métamodèle

Luc Laurent, Antoine Legay

13e colloque national en calcul des structures, Université Paris-Saclay, May 2017, Giens, Var, France

Construction de super-éléments pour des liaisons amortissantes en élastomère

Benjamin Morin, Antoine Legay, Jean-François Deü

13e colloque national en calcul des structures, Université Paris-Saclay, May 2017, Giens, Var, France

A component mode synthesis approach for dynamic analysis of elastomer damping devices

Jean-François Deü, Benjamin Morin, Antoine Legay

XVII International Symposium on Dynamic Problems of Mechanics, DINAME 2017, Mar 2017, São Sebastião, Brazil

Comparison of modal projection methods for highly damped structures with viscoelastic materials coupled to fluids

Jean-François Deü, Lucie Rouleau, Antoine Legay

12th World Congress on Computational Mechanics, WCCM XII, Jul 2016, Seoul, Korea, Unknown Region

Inverse characterisation of frequency-dependent properties of adhesives

Lucie Rouleau, Jean-François Deü, Antoine Legay

13th International Conference on Motion and Vibration Control, 12th International Conference on Recent Advances in Structural Dynamics, MOVIC RASD 2016, Jul 2016, Southampton, UK, Unknown Region. ⟨10.1088/1742-6596/744/1/012193⟩

Reduced order models for dynamic behavior of prestressed elastomer damping devices

Antoine Legay, Jean-François Deü, Benjamin Morin

VII European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS Congress 2016, Jun 2016, Hersonissos, Crete, Greece

Predictive numerical models for non-linear dynamic behavior of elastomer damping devices

Jean-François Deü, Benjamin Morin, Antoine Legay, Lucie Rouleau

13th U.S. National Congress on Computational Mechanics, USNCCM 13, Jul 2015, San Diego, California, USA, Unknown Region

Reduced-order models of structural-acoustic problems using XFEM

Antoine Legay

13th U.S. National Congress on Computational Mechanics, USNCCM 13, Jul 2015, San Diego, California, USA, Unknown Region

Characterisation of the frequency- and temperature-dependent properties of viscoelastic materials

Lucie Rouleau, Jean-François Deü, Antoine Legay

9th European Solid Mechanics Conference, ESMC 2015, Jul 2015, Madrid, Spain

Viscoelastic characterisation of adhesives using inverse techniques

Lucie Rouleau, Jean-François Deü, Antoine Legay

International Conference on Dynamics of Composite Structures, DYNCOMP' 2015, Jun 2015, Arles, France

Modélisation du comportement viscoélastique de couches adhésives

Lucie Rouleau, Jean-François Deü, Antoine Legay

12e Colloque national en calcul des structures, CSMA, May 2015, Giens, France

Viscoelastic interface finite elements for the modeling of complex structures with thin constrained damping layer

Jean-François Deü, Lucie Rouleau, Antoine Legay

17th International Symposium on Dynamic Problems of Mechanics, DINAME 2015, Feb 2015, Natal, Brazil

Modal based reduction of structural-acoustic problems using XFEM

Antoine Legay

11th World Congress on Computational Mechanics, WCCM XI, Jul 2014, Barcelona, Spain

Review of reduction methods based on modal projection for highly damped structures

Lucie Rouleau, Jean-François Deü, Antoine Legay

11th World Congress on Computational Mechanics, WCCM XI, Jul 2014, Barcelona, Spain

Study of the position influence of thin immersed structures in an acoustic fluid using XFEM

Antoine Legay

ECCOMAS International Conference on Extended Finite Element Methods, Generalized Finite Element Methods and Fictitious Domain Methods: Recent developments and applications, XFEM 2013, Sep 2013, Lyon, France

Characterization and modeling of viscoelastic interface

Lucie Rouleau, Jean-François Deü, Antoine Legay, Frédérique Le Lay

12th International Conference on Computational Plasticity. Fundamentals and Applications, COMPLAS XII, Sep 2013, Barcelona, Spain

Interface finite elements for parametric studies of structures with thin constrained layer damping

Lucie Rouleau, Jean-François Deü, Antoine Legay

2nd ECCOMAS Young Investigators Conference, YIC 2013, Sep 2013, Bordeaux, France

Interface finite elements for parametric study of structures with thin constrained layer damping

Lucie Rouleau, Jean-François Deü, Antoine Legay

2nd ECCOMAS Young Investigators Conference (YIC 2013), Sep 2013, Bordeaux, France

Efficient method to study the influence of immersed structures in an acoustic fluid using XFEM and modal reductions

Antoine Legay

12th U.S. National Congress on Computational Mechanics, USNCCM 12, Jul 2013, Raleigh, North Carolina, USA, Unknown Region

Dynamical mechanical characterization and modeling of viscoelastic materials in the frequency domain

Lucie Rouleau, Jean-François Deü, Antoine Legay, Frédérique Le Lay

EUROMECH Colloquium 550: Multiphysics of solid polymers: Experiments and modeling, Jul 2013, Poitiers, France

Modélisation de structures immergées dans un fluide acoustique à l'aide des éléments finis étendus

Antoine Legay

11e colloque national en calcul des structures, CSMA, May 2013, Giens, France

Caractérisation et modélisation d'interfaces viscoélastiques

Lucie Rouleau, Jean-François Deü, Antoine Legay, Frédérique Le Lay

11e colloque national en calcul des structures, CSMA, May 2013, Giens, France

Identification du comportement dynamique de matériaux viscoélastiques

Lucie Rouleau, Jean-François Deü, Antoine Legay

1ères Journées Jeunes Chercheurs en Vibrations, Apr 2013, France

Modelization of immersed structures at arbitrary positions in an acoustic fluid using XFEM

Antoine Legay

6th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2012, Sep 2012, Vienna, Austria

Modal reduction of a vibroacoustic problem for a parametric study using XFEM

Antoine Legay

ECCOMAS Thematic Conference on the Extended Finite Element Method − Partition of unity enrichment: Recent Developments and Applications, XFEM 2011, Jun 2011, Cardiff, UK, Unknown Region

Réduction de problèmes vibro-acoustique avec interfaces dissipatives par décomposition de domaines

Romain Rumpler, Antoine Legay, Jean-François Deü

10e colloque national en calcul des structures, May 2011, Giens, France. pp.Clé USB

A substructuring FE model for reduction of stuctural acoustic problems damped with poro-elastic media

Romain Rumpler, Antoine Legay, Jean-François Deü

9th World Congress on Computational Mechanics, WCCM 2010, Jul 2010, Sydney, Australia

Water jet stability at aerated overflow gates

Henning Schippke, Andreas Zilian, Antoine Legay

IV European Conference on Computational Mechanics, ECCM 2010, May 2010, Paris, France

A rheological interface model for fluid-structure interaction and numerical investigation of controlled flow-induced vibrations

Christian Janssen, Antoine Legay, Andreas Zilian

IV European Conference on Computational Mechanics, ECCM 2010, May 2010, Paris, France

A substructuring FE model for reduction of stuctural acoustic problems with dissipative interfaces

Romain Rumpler, Antoine Legay, Jean-François Deü

IV European Conference on Computational Mechanics, ECCM 2010, May 2010, Paris, France

Modeling large motion of thin flexible structures immersed in a flow by the enriched space time method

Antoine Legay, Andreas Zilian

ECCOMAS Thematic Conference on the Extended Finite Element Method − Recent Developments and Applications, XFEM 2009, Sep 2009, Aachen, Germany

Transient response of composite axisymmetric shells submitted to pyrotechnic shocks. Application to a payload adapter

Antoine Legay, Jean-François Deü

8th World Congress on Computational Mechanics, WCCM8, Jun 2008, Venice, Italy

A monolithic space-time X-FEM method for flow-immersed thin flexible structures

Antoine Legay, Andreas Kölke

2nd GACM Colloquium on Computational Mechanics, Oct 2007, Technical University of Munich, Germany

Eléments finis enrichis espace-temps pour l'interaction fluide-structure mince

Antoine Legay, Andreas Kölke

8e Colloque national en calcul des structures, CSMA, May 2007, Giens, France

Embedding technique for thin-walled structures in FSI based on locally extended space-time finite elements

Andreas Kölke, Antoine Legay

7th World Congress on Computational Mechanics, WCCM VII, Jul 2006, Los Angeles, California, USA, Unknown Region

An enriched space-time finite element method for fluid-structure interaction

Antoine Legay, Andreas Kölke

7th World Congress on Computational Mechanics, WCCM VII, Jul 2006, Los Angeles, California, USA, Unknown Region

An enriched space-time finite element method for fluid-structure interaction - Part I: Prescribed structural displacement

Antoine Legay, Andreas Kölke

Third European Conference on Computational Mechanics, ECCM 2006, Jun 2006, Lisbon, Portugal

An enriched space-time finite element method for fluid-structure interaction - Part II: Thin flexible structures

Andreas Kölke, Antoine Legay

Third European Conference on Computational Mechanics, ECCM 2006, Jun 2006, Lisbon, Portugal

An Eulerian-Lagrangian approach for fluid-structure coupled systems using X-FEM

Antoine Legay

8th U.S. National Congress on Computational Mechanics, USNCCM 8, Jul 2005, Austin, Texas, USA, Unknown Region

Modélisation des inclusions par des éléments finis spectraux étendus (X-FEM)

Antoine Legay, H Wang, Ted Belytschko

7e colloque national en calcul des structures, CSMA, May 2005, Giens, France

HDR

Méthode XFEM et modèles réduits en dynamique des structures et en vibro-acoustique

Antoine Legay

Mécanique des structures [physics.class-ph]. INSA Lyon; Université Claude Beranrd Lyon 1, 2015

Poster

Investigation of PINNs and model reduction in structural dynamics for integration into an immersive device

Florian Dupont, Luc Laurent, Antoine Legay

6th International Workshop on Model Reduction Techniques MORTech 2023, Nov 2023, Gif sur Yvette, France

Stratégie d'optimisation en dynamique vibratoire non linéaire des structures

Quentin Ragueneau, Luc Laurent, Antoine Legay, Thomas Larroque, Romain Crambuer

Journées Jeunes Chercheuses et Chercheurs en Acoustique vibrations et Bruit, JJCAB 2022, Nov 2022, Lyon, France

Logiciel

Publications

Revues à comité de lecture ACL

2024

Q. Ragueneau, L. Laurent, A. Legay, T. Larroque, R. Crambuer, A constrained Bayesian optimization framework for structural vibrations with local nonlinearities, Structural and Multidisciplinary Optimization, 67 (4), 47, 2024. doi

2023

S. Burri, A. Legay, Static reinforcement and vibration reduction of structures using topology optimization, Mechanics & Industry, 24, 14 (18 pages), 2023. doi

2018

B. Morin, A. Legay, J.-F. Deü, Reduced order models for dynamic behavior of elastomer damping devices, Finite Elements in Analysis and Design, 143, 66-75, 2018. doi

L. Rouleau, A. Legay, J.-F. Deü, Interface finite elements for the modelling of constrained viscoelastic layers, Composite Structures, 204, 847-854, 2018. doi

2017

L. Rouleau, J.-F. Deü, A. Legay, A comparison of model reduction techniques based on modal projection for structures with frequency-dependent damping, Mechanical Systems and Signal Processing, 90, 110–125, 2017. doi

2015

A. Legay, The extended finite element method combined with a modal synthesis approach for vibro-acoustic problems, International Journal for Numerical Methods in Engineering, 101 (5), 329-350, 2015. doi

2013

L. Rouleau, J.-F. Deü, A. Legay, F. Le Lay, Application of Kramers-Kronig relations to time-temperature superposition for viscoelastic materials, Mechanics of Materials, 65, 66-75, 2013. doi

A. Legay, An extended finite element method approach for structural-acoustic problems involving immersed structures at arbitrary positions, International Journal for Numerical Methods in Engineering, 93 (4), 376-399, 2013. doi

2012

L. Rouleau, J.-F. Deü, A. Legay, J.-F. Sigrist, Vibro-acoustic study of a viscoelastic sandwich ring immersed in water, Journal of Sound and Vibration, 331 (3), 522-539, 2012. doi

2011

R. Rumpler, A. Legay, J.-F. Deü, Performance of a restrained-interface substructuring FE model for reduction of structural-acoustic problems with poroelastic damping, Computers & Structures, 89 (23-24), 2233-2248, 2011. doi

A. Legay, A. Zilian, C. Janssen, A rheological interface model and its space–time finite element formulation for fluid–structure interaction, International Journal for Numerical Methods in Engineering, 86 (6), 667-687, 2011. doi

2008

A. Zilian, A. Legay, The enriched space-time finite element method (EST) for simultaneous solution of fluid-structure interaction, International Journal for Numerical Methods in Engineering, 75 (3), 305-334, 2008. doi

A. Legay, A. Zilian, Enriched space-time finite elements for fluid-structure interaction, European Journal of Computational Mechanics, 17 (5-7), 725-736, 2008. doi

2007

A. Legay, A. Tralli, An enriched finite element approach for prescribed motions of thin immersed structures in a fluid, European Journal of Computational Mechanics, 16 (2), 145-160, 2007. doi

2006

A. Legay, J. Chessa, T. Belytschko, An Eulerian-Lagrangian method for fluid-structure interaction based on level sets, Computer Methods in Applied Mechanics and Engineering, 195 (17-18), 2070-2087, 2006. doi

2005

A. Legay, H. W. Wang, T. Belytschko, Strong and weak arbitrary discontinuities in spectral finite elements, International Journal for Numerical Methods in Engineering, 64 (8), 991-1008, 2005. doi

2003

A. Legay, A. Combescure, Elastoplastic stability analysis of shells using the physically stabilized finite element SHB8PS, International Journal for Numerical Methods in Engineering, 57 (9), 1299-1322, 2003. doi

Conférences internationales ACTI

2024

Q. Ragueneau, R. Crambuer, L. Laurent, A. Legay, N. Roy. Towards an efficient strategy for the optimal design of aerospace structures with local nonlinearities in vibration dynamics. Proceedings of the European Conference on Spacecraft Structures, Materials And Environmental Testing, ECSSMET 2024, Noordwijk, The Netherlands, September 23-27, 2024. link

2023

Q. Ragueneau, L. Laurent, A. Legay, T. Larroque, R. Crambuer. Global parametric optimization for structures with nonlinear joints in vibration. Proceedings of the Third International Nonlinear Dynamics Conference, NODYCON 2023, Rome, Italy, June 18-22, 2023. link

2021

A. Legay, L. Laurent. Optimization of structure positions in an acoustic cavity using XFEM, reduced models and a gradient-based surrogate model approach. Proceedings of the 16th U.S. National Congress on Computational Mechanics, USNCCM16, online, Chicago, Illinois, USA, July 25-29, 2021.

2019

S. Burri, A. Legay, J.-F. Deü, M. De Rochambeau, P.-J. Godart. Topology optimization of elastomer damping devices for space application. Proceedings of 13th International Conference on Evolutionary and Deterministic Computing for Industrial Applications, EUROGEN 2019, Guimarães, Portugal, September 12-14, 2019.

L. Laurent, A. Legay. Gradient-based approach using XFEM and cokriging for optimal positioning of a structure in an acoustic cavity. Proceedings of the 13th World Congress on Structural and Multidisciplinary Optimization, WCSMO13, Beijing, China, May 20–24, 2019.

2018

L. Laurent, A. Legay. Gradient-enhanced parametric optimization of vibro-acoustic problem using XFEM and a dedicated metamodel. Proceedings of the 13th World Congress on Computational Mechanics, WCCM XIII, and the 2nd Pan American Congress on Computational Mechanics, PANACM II, New York City, New York, USA, July 22-27, 2018.

A. Legay, S. Burri, J.-F. Deü. Topology optimization and model reduction of elastomer damping devices. Proceedings of the 13th World Congress on Computational Mechanics, WCCM XIII, and the 2nd Pan American Congress on Computational Mechanics, PANACM II, New York City, New York, USA, July 22-27, 2018.

S. Burri, A. Legay, J.-F. Deü. Topology optimization of elastomer damping devices for structural vibration reduction. Proceedings of the 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems) and 7th European Conference on Computational Fluid Dynamics, ECCM-ECFD 2018, Glasgow, UK, June 11-15, 2018.

A. Legay, L. Laurent. Thin wall optimal positioning in an acoustic cavity using Xfem and a gradient-enhanced metamodel. Proceedings of the 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems) and 7th European Conference on Computational Fluid Dynamics, ECCM-ECFD 2018, Glasgow, UK, June 11-15, 2018.

2017

J.-F. Deü, B. Morin, A. Legay. A component mode synthesis approach for dynamic analysis of elastomer damping devices. Proceedings of the XVII International Symposium on Dynamic Problems of Mechanics, DINAME 2017, São Sebastião, Brazil, March 5-10, 2017.

A. Legay, L. Laurent. Thin wall optimal positioning in an acoustic cavity using XFEM, reduced models and surrogate based optimization. Proceedings of the eXtended Discretization MethodS for partial differential equations on complex and evolving domains, X-DMS 2017, Umeå, Sweden, June 19-21, 2017.

L. Laurent, A. Legay. Optimal positioning of a wall in an acoustic cavity using reduced models and surrogate based optimization. Proceedings of the 12th World Congress of Structural and Multidisciplinary Optimisation, WCSMO 12, Braunschweig, Germany, June 5-9, 2017.

2016

A. Legay, J.-F. Deü, B. Morin. Reduced order models for dynamic behavior of prestressed elastomer damping devices. Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering, the ECCOMAS Congress 2016, Hersonissos, Crete, Greece, June 5-10, 2016.

B. Morin, A. Legay, J.-F. Deü. Reduced Order Models for dynamic behavior of elastomer damping devices. Proceedings of the 13th International Conference on Motion and Vibration Control and of the 12th International Conference on Recent Advances in Structural Dynamics, MOVIC RASD 2016, Southampton, UK, July 3-6, 2016. doi

L. Rouleau, J.-F. Deü, A. Legay. Inverse characterisation of frequency-dependent properties of adhesives. Proceedings of the 13th International Conference on Motion and Vibration Control and of the 12th International Conference on Recent Advances in Structural Dynamics, MOVIC RASD 2016, Southampton, UK, July 3-6, 2016. doi

2015

J.-F. Deü, L. Rouleau, A. Legay. Viscoelastic interface finite elements for the modeling of complex structures with thin constrained damping layer. Proceedings of the 17th International Symposium on Dynamic Problems of Mechanics, DINAME 2015, Natal, Brazil, February 22-27, 2015.

L. Rouleau, J.-F. Deü, A. Legay. Viscoelastic characterisation of adhesives using inverse techniques. Proceedings of the International Conference on Dynamics of Composite Structures, DYNCOMP'2015, Arles, France, June 2-4, 2015.

2014

A. Legay. Modal based reduction of structural-acoustic problems using XFEM. Proceedings of the 11th World Congress on Computational Mechanics, WCCM XI, the 5th European Conference on Computational Mechanics, ECCM V and the 6th European Conference on Computational Fluid Dynamics, ECFD VI, Barcelona, Spain, July 20-25, 2014.

L. Rouleau, J.-F. Deü, A. Legay. Review of reduction methods based on modal projection for highly damped structures. Proceedings of the 11th World Congress on Computational Mechanics, WCCM XI, the 5th European Conference on Computational Mechanics, ECCM V and the 6th European Conference on Computational Fluid Dynamics, ECFD VI, Barcelona, Spain, July 20-25, 2014.

2013

A. Legay. Efficient method to study the influence of immersed structures in an acoustic fluid using XFEM and modal reductions. The 12th U.S. National Congress on Computational Mechanics, USNCCM 12, Raleigh, North Carolina, USA, July 22-25, 2013.

L. Rouleau, J.-F. Deü, A. Legay, F. Le Lay. Characterization and modeling of viscoelastic interface. Proceedings of the 12th International Conference on Computational Plasticity. Fundamentals and Applications, COMPLAS XII, Barcelona, Spain, September 3-5, 2013.

L. Rouleau, J.-F. Deü, A. Legay. Interface finite elements for parametric studies of structures with thin constrained layer damping. Proceedings of the 2nd ECCOMAS Young Investigators Conference, YIC 2013, Bordeaux, France, September 2-6, 2013.

A. Legay. Study of the position influence of thin immersed structures in an acoustic fluid using XFEM. Proceedings of the ECCOMAS International Conference on Extended Finite Element Methods, Generalized Finite Element Methods and Fictitious Domain Methods: Recent developments and applications, XFEM 2013, Lyon, France, September 11-13, 2013.

L. Rouleau, J.-F. Deü, A. Legay, F. Le Lay. Dynamical mechanical characterization and modeling of viscoelastic materials in the frequency domain. Proceedings of the EUROMECH Colloquium 550: Multiphysics of solid polymers: Experiments and modeling, Poitiers, France, July 1-5, 2013.

2012

A. Legay. Modelization of immersed structures at arbitrary positions in an acoustic fluid using XFEM. Proceedings of the 6th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2012, Vienna, Austria, September 10-14, 2012.

L. Rouleau, J.-F. Deü, A. Legay, J.-F. Sigrist, F. Le Lay. A component mode synthesis approach for dynamic analysis of viscoelastically damped structures. Proceedings of the 10th World Congress on Computational Mechanics, WCCM 2012, São Paulo, Brazil, July 8-13, 2012.

L. Rouleau, J.-F. Deü, A. Legay, J.-F. Sigrist, P. Marin-Curtoud. Reduced order model for noise and vibration attenuation of water immersed viscoelastic sandwich structures. Proceedings of Acoustics2012, Nantes, France, April 23-27, 2012.

2010

H. Schippke, A. Zilian, A. Legay. Water jet stability at aerated overflow gates. Proceedings of the IV European Conference on Computational Mechanics, ECCM 2010, Paris, France, May 16-21, 2010.

C. Janssen, A. Legay, A. Zilian. A rheological interface model for fluid-structure interaction and numerical investigation of controlled flow-induced vibrations. Proceedings of the IV European Conference on Computational Mechanics, ECCM 2010, Paris, France, May 16-21, 2010.

R. Rumpler, A. Legay, J.-F. Deü. A substructuring FE model for reduction of stuctural acoustic problems with dissipative interfaces. Proceedings of the IV European Conference on Computational Mechanics, ECCM 2010, Paris, France, May 16-21, 2010.

2009

A. Legay, A. Zilian. Modeling large motion of thin flexible structures immersed in a flow by the enriched space time method. Proceedings of the ECCOMAS Thematic Conference on the Extended Finite Element Method – Recent Developments and Applications, XFEM 2009, Aachen, Germany, September 28-30, 2009.

2006

A. Legay, A. Koelke. An enriched space-time finite element method for fluid-structure interaction - Part I: Prescribed structural displacement. Proceedings of the Third European Conference on Computational Mechanics, ECCM 2006, Lisbon, Portugal, June 5-9, 2006.

A. Koelke, A. Legay. An enriched space-time finite element method for fluid-structure interaction - Part II: Thin flexible structures. Proceedings of the Third European Conference on Computational Mechanics, ECCM 2006, Lisbon, Portugal, June 5-9, 2006.

Conférences nationales ACTN

2024

A. Legay, S. Burri. Rigidification de structures en statique et réduction des vibrations avec matériau viscoélastique en dynamique à l'aide de l'optimisation topologique. Actes du 16ème Colloque National en Calcul des Structures, CSMA 2024, Giens, Var, France, 13-17 mai 2024. lien

L. Laurent, Q. Ragueneau, A. Legay, T. Larroque, R. Crambuer. Optimisation Bayésienne sous contraintes appliquée à l'étude vibratoire de structures intégrant des non-linéarités localisées. Actes du 16ème Colloque National en Calcul des Structures, CSMA 2024, Giens, Var, France, 13-17 mai 2024. lien

F. Dupont, L. Laurent, A. Legay. Réduction de modèle en dynamique transitoire non-linéaire de structures assemblées. Actes du 16ème Colloque National en Calcul des Structures, CSMA 2024, Giens, Var, France, 13-17 mai 2024. lien

2022

A. Legay, L. Laurent. Gradients du champ acoustique par rapport à la position et la forme d'une paroi rigide dans une cavité à l'aide d'un modèle réduit et d'XFEM. Actes du 15ème Colloque National en Calcul des Structures, CSMA 2022, Giens, Var, France, 16-20 mai 2022. lien

Q. Ragueneau, L. Laurent, A. Legay, T. Larroque, R. Crambuer. Optimisation paramétrique par métamodèle en dynamique vibratoire non linéaire avec résolution fréquentielle. Actes du 25ème Congrès Français de Mécanique, CFM 2022, Nantes, Loire-Atlantique, France, 29 août - 2 septembre 2022.

2019

L. Laurent, A. Legay. Approche par gradients et métamodèle pour le placement optimal de parois structurelles dans une cavité acoustique. Actes du 14ème Colloque National en Calcul des Structures, CSMA 2019, Giens, Var, France, 13-17 mai 2019. lien

2017

B. Morin, A. Legay, J.-F. Deü. Construction de super-éléments pour des liaisons amortissantes en élastomère. Actes du 13ème Colloque National en Calcul des Structures, CSMA 2017, Giens, Var, France, 15-19 mai 2017. lien

L. Laurent, A. Legay. Positionnement optimal de parois en vibro-acoustique à l'aide de modèles réduits et d'optimisation par métamodèle. Actes du 13ème Colloque National en Calcul des Structures, CSMA 2017, Giens, Var, France, 15-19 mai 2017. lien

2016

L. Rouleau, J.-F. Deü, A. Legay. Comparaison de méthodes de réduction par projection modale pour des structures fortement amorties par des matériaux viscoélastiques et couplées à un fluide. Conférence invitée du 13ème Congrès Français d'Acoustique joint avec le 20ème colloque VIbrations, SHocks and NOise, CFA/VISHNO 2016, Le Mans, Sarthe, France, 11-15 avril 2016.

2015

A. Legay. Réduction de modèle pour des structures minces dans un fluide acoustique en utilisant XFEM. Actes du 22ème Congrès Français de Mécanique, CFM 2015, Lyon, France, 24-28 août 2015.

L. Rouleau, J.-F. Deü, A. Legay. Modélisation du comportement viscoélastique de couches adhésives. Actes du 12ème Colloque National en Calcul des Structures, CSMA 2015, Giens, Var, France, 18-22 mai 2015.

B. Morin, A. Legay, J.-F. Deü, B.Troclet. Modèles d'ordre réduit pour la prédiction du comportement dynamique de liaisons amortissantes en élastomères. Actes du 12ème Colloque National en Calcul des Structures, CSMA 2015, Giens, Var, France, 18-22 mai 2015.

2013

A. Legay. Modélisation de structures immergées dans un fluide acoustique à l'aide des éléments finis étendus. Actes du 11ème Colloque National en Calcul des Structures, CSMA 2013, Giens, Var, France, 13-17 mai 2013.

L. Rouleau, J.-F. Deü, A. Legay, F. Le Lay. Caractérisation et modélisation d’interfaces viscoélastiques. Actes du 11ème Colloque National en Calcul des Structures, CSMA 2013, Giens, Var, France, 13-17 mai 2013.

2011

R. Rumpler, A. Legay, J.-F. Deü. Réduction de problèmes vibro-acoustique avec interfaces dissipatives par décomposition de domaines. Actes du 10ème Colloque National en Calcul des Structures, CSMA 2011, Giens, Var, France, 9-13 mai 2011.

L. Rouleau, J.-F. Deü, A. Legay, J.-F. Sigrist. Modélisation du comportement vibratoire et dissipatif de structures métalliques avec couches viscoélastiques couplées à des fluides interne et externe. Actes du 10ème Colloque National en Calcul des Structures, CSMA 2011, Giens, Var, France, 9-13 mai 2011.

2009

A. Legay, J.-F. Deü. Simulation de la réponse aux chocs de structures sandwich de révolution. Application à la découpe pyrotechnique d’un adaptateur de charge utile. Actes du 9ème Colloque National en Calcul des Structures, Giens, Var, France, 25-29 mai 2009.

2007

A. Legay, A. Koelke. Eléments finis enrichis espace-temps pour l'interaction fluide-structure mince. Actes du 8ème Colloque National en Calcul des Structures, Giens, Var, France, 21-25 mai 2007.

2006

J.-F. Deü, A. Legay, R. Ohayon. Quelques aspects sur la modélisation mécanique et numérique d’interfaces en interaction fluide–structure. Actes des Journées AUM/AFM en Interaction Fluide-Structure, La Rochelle, France, 31 août - 1er septembre 2006.

2005

A. Legay, H. W. Wang, T. Belytschko. Modélisation des inclusions par des éléments finis spectraux étendus (XFEM). Actes du 7ème Colloque National en Calcul des Structures, Giens, Var, France, 17-20 mai 2005.

A. Legay, A. Tralli. Une approche éléments finis enrichis Euler-Lagrange pour l'interaction fluide-structure. Actes du 1er Colloque GDR CNRS 2902 en Interaction Fluide Structure, École des Mines de Paris, Sophia Antipolis, France, 26-27 septembre 2005.

Communications COM

2024

L. Laurent, Q. Ragueneau, A. Legay, T. Larroque, R. Crambuer. Constrained parametric global optimization of a vibration problem with non-linear interfaces. The 16th World Congress on Computational Mechanics and the 4th Pan American Congress on Computational Mechanics, WCCM-PANACM 2024, Vancouver, Canada, July 21-26, 2024.

A. Legay, S. Burri. Structural reinforcement and vibration reduction with elastic and viscoelastic materials using topology optimization. The 16th World Congress on Computational Mechanics and the 4th Pan American Congress on Computational Mechanics, WCCM-PANACM 2024, Vancouver, Canada, July 21-26, 2024.

2023

Q. Ragueneau, L. Laurent, A. Legay, T. Larroque, R. Crambuer. Strategy for global parametric optimization in nonlinear vibration: Application on a gantry crane. The 9th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2023, Athens, Greece, June 12-14, 2023.

2022

Q. Ragueneau, L. Laurent, A. Legay, T. Larroque, R. Crambuer, N. Roy. Stratégie efficace de résolution en dynamique vibratoire non linéaire pour des structures assemblées. The 2022 NAFEMS Regional Conference France, NRC22 France, Senlis, France, November 23-24, 2022.

L. Laurent, A. Legay. Gradient-based optimization of structures immersed in an acoustic cavity using XFEM, ROM and surrogate model. The 8th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS Congress 2022, Oslo, Norway, June 5-9, 2022.

A. Legay, L. Laurent. Efficient parametric derivative computations of the pressure in an acoustic cavity with immersed structures. The 8th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS Congress 2022, Oslo, Norway, June 5-9, 2022.

2021

L. Laurent, A. Legay. Parametric optimization of structures positions in acoustic cavity based on XFEM, Reduced order model and a gradient-based surrogate model. The 14th World Congress on Computational Mechanics and the 8th European Congress on Computational Methods in Applied Sciences and Engineering, WCCM-ECCOMAS 2020, online, Paris, France, January 11-15, 2021.

2019

A. Legay, L. Laurent. Thin wall optimal positioning in an acoustic cavity using XFEM and a gradient-based approach. The ECCOMAS X-DMS (eXtended Discretization MethodS) 2019 Thematic Conference for partial differential equations on complex and evolving domains, X-DMS 2019, Lugano, Switzerland, July 3-5, 2019.

2017

L. Rouleau, J.-F. Deü, A. Legay. Finite element modelling of viscoelastic interfaces. The 20th International Conference on Composite Structures, ICCS 20, Paris, France, September 4-7, 2017.

A. Legay, J.-F. Deü, B. Morin, S. Burri. Reduced Order Models and optimization of elastomer damping devices. The 14th U.S. National Congress on Computational Mechanics, USNCCM 14, Montreal, Quebec, Canada, July 17-20, 2017.

2016

J.-F. Deü, L. Rouleau, A. Legay. Comparison of modal projection methods for highly damped structures with viscoelastic materials coupled to fluids. The 12th World Congress on Computational Mechanics, WCCM XII, and the 6th Asia-Pacific Congress on Computational Mechanics, APCOM VI, Seoul, Korea, July 24-29, 2016.

2015

J.-F. Deü, B. Morin, A. Legay, L. Rouleau. Predictive numerical models for non-linear dynamic behavior of elastomer damping devices. The 13th U.S. National Congress on Computational Mechanics, USNCCM 13, San Diego, California, USA, July 27-30, 2015.

L. Rouleau, J.-F. Deü, A. Legay. Characterisation of the frequency- and temperature-dependent properties of viscoelastic materials. The 9th European Solid Mechanics Conference, ESMC 2015, Madrid, Spain, July 6-10, 2015.

A. Legay. Reduced-order models of structural-acoustic problems using XFEM. The 13th U.S. National Congress on Computational Mechanics, USNCCM 13, San Diego, California, USA, July 27-30, 2015.

2011

A. Legay. Modal reduction of a vibroacoustic problem for a parametric study using XFEM. The ECCOMAS Thematic Conference on the Extended Finite Element Method – Partition of unity enrichment: Recent Developments and Applications, XFEM 2011, Cardiff, UK, June 29 - July 1st, 2011.

2010

R. Rumpler, A. Legay, J.-F. Deü. A substructuring FE model for reduction of stuctural acoustic problems damped with poro-elastic media. The 9th World Congress on Computational Mechanics, WCCM 2010, Sydney, Australia, July 19-23, 2010.

2008

A. Legay, J.-F. Deü. Transient response of composite axisymmetric shells submitted to pyrotechnic shocks. Application to a payload adapter. The 8th World Congress on Computational Mechanics, WCCM8 and the 5th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2008, Venice, Italy, June 30 - July 4, 2008.

2007

A. Legay, A. Koelke. A monolithic space-time X-FEM method for flow-immersed thin flexible structures. The 2nd GACM Colloquium on Computational Mechanics, Technical University of Munich, Germany, October 10-12, 2007.

A. Legay, A. Koelke. Modeling large motion of thin flexible structures immersed in a flow by the Enriched Space Time method. The 9th US National Congress on Computational Mechanics, USNCCM 9, San Francisco, California, USA, July 22-26, 2007.

2006

A. Legay, A. Koelke. An enriched space-time finite element method for fluid-structure interaction. The 7th World Congress on Computational Mechanics, WCCM VII, Los Angeles, California, USA, July 16-22, 2006.

A. Koelke, A. Legay. Embedding technique for thin-walled structures in FSI based on locally extended space-time finite elements. The 7th World Congress on Computational Mechanics, WCCM VII, Los Angeles, California, USA, July 16-22, 2006.

2005

A. Legay. An Eulerian-Lagrangian approach for fluid-structure coupled systems using X-FEM. The 8th U.S. National Congress on Computational Mechanics, USNCCM 8, Austin, Texas, USA, July 25-27, 2005.

Thèses de doctorat et HDR

2015

A. Legay, Méthode XFEM et modèles réduits en dynamique des structures et en vibro-acoustique. Habilitation à diriger des recherches, Lyon, France, 23 novembre 2015.

Jury et résumé

Organisation de mini-symposia

2018

A. Legay, A. Zilian, M. Buchschmid, J.-F. Deü. Advanced numerical methods for the modeling of coupled systems dynamics. Mini-symposium of the 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems) and 7th European Conference on Computational Fluid Dynamics, ECCM-ECFD 2018, Glasgow, UK, June 11-15, 2018.

2014

G. Müller, J.-F. Deü, M. Buchschmid, A. Legay. Reduced Order Models in vibroacoustics. Mini-symposium of the 11th World Congress on Computational Mechanics, WCCM XI, the 5th European Conference on Computational Mechanics, ECCM V and the 6th European Conference on Computational Fluid Dynamics, ECFD VI, Barcelona, Spain, July 20-25, 2014.

2010

A. Legay, A. Zilian, J.-F. Deü. Advanced mechanical and numerical modeling of interfaces in fluid-structure interaction. Mini-symposium of the IV European Conference on Computational Mechanics, ECCM 2010, Paris, France, May 16-21, 2010.