Ludovic CHAMOIN - LMT Cachan

Ludovic CHAMOIN

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   Nom / Last Name  CHAMOIN
   Prénom / First Name Ludovic

   Matre de Confrences (HDR) - Assistant Professor
Dlgation INRIA - On leave at INRIA (2014-2016)

   Courriel
/ E-mail
ludovic.chamoin[at]lmt.ens-cachan.fr

Contact :

Adresse / address :
L.M.T. Cachan
61 Avenue du Président Wilson
94235 CACHAN Cedex


Tél : (33) 1 47 40 53 46
Fax : (33) 1 47 40 27 85


Responsabilités LMT :

   

2011-: Membre du Conseil de Laboratoire au LMT
2009-: Responsable de l'UTR "Vrification et Validation des Modles"
2009-: Membre nomm du Conseil Scientifique du LMT

LMT Responsibilities:

 

2011-: Member of LMT board
2009-: Head of the "Model Verification and Validation" research team
2009-: Member of the Scientific Council of LMT


Activités de recherche :

Vrification des simulations numriques
- estimateurs d'erreur globale/locale garantis
- techniques de reconstruction de champs admissibles
- approches non-intrusives pour l'encadrement efficace et pratique de l'erreur sur des quantits d'intrt
- applications diverses (XFEM, dynamique transitoire, vibrations, analyse isogomtrique, visco-plasticit, contact,...)

Rduction de modle et contrle de l'erreur de modle
- couplages multichelle (atomique / continu, dterministe / stochastique, transport / diffusion,...)
- bases rduites et sparation de variables (POD,PGD)
- contrle des modles vis--vis de quantits d'intrt (technique de l'adjoint)
- adaptation de modle

Validation et recalage des modles
- erreur en relation de comportement modifie
- validation en temps rel et dialogue essais/calculs (DDDAS)
- assimilation de donnes, filtres de Kalman
- approches multi-fidlit
- contrle optimal du dispositif exprimental
- quantification des incertitudes, infrence bayesienne

Distinctions:
Prix de thse du CSMA
Mdaille Robert J. Melosh
Prix John Argyris (Elsevier)

Current research interest:

 

Verification of numerical simulations
- guaranteed global/goal-oriented error estimates
- techniques to construct admissible fields
- non-intrusive approaches for effective error bounds on quantities of interest
- applications: XFEM, transient dynamics, vibrations, isogeometric analysis, visco-plasticity, contact,...

Model reduction and control of modeling error
- multiscale couplings (atomistic / continuum, deterministic / stochastic, transport / diffusion,...)
- reduced bases and separation of variables (POD, PGD)
- modeling error control with respect to quantities of interest (adjoint-based)
- modeling adaptation

Validation and updating of models
- modified constitutive relation error
- real-time validation and dialog experiments/simulations (DDDAS)
- data assimilation, Kalman filters
- multi-fidelity approaches
- optimal control of the the experimental system
- uncertainty quantification, Bayesian inference

Awards:
National PhD Award from the French Computational Mechanics Association (CSMA)
Robert J. Melosh Medal
John Argyris Award (Elsevier)


Activités d'enseignement :

   

1re anne SAPHIRE (ENS Cachan)
- S243: Modlisation des solides (TD)

Anne M1 du Master MIS (ENS Cachan/UPMC)
- MSX02: Vibrations et ondes (cours,TD)
- MSX03: Mthodes numriques (TD)
- MSX05: Travaux d'tude et de recherche (organisation, projets)
- MSM21: Analyse des structures en thermolasticit linaire par la MEF (BE)
- MSM22: Analyse du comportement non-linaire des structures par la MEF (BE)
- MSM23: Ondes et chocs dans les structures (cours, TD)

Prparation l'Agrgation de Mcanique (ENS Cachan)
- A11a: Mcanique des milieux continus (cours, TD)

Anne M2 du Master MIS - parcours TACS (ENS Cachan/ENSTA/UPMC)
- NSM51: Formulation et contrle des modles (cours)

Teaching activities:

 

1st year SAPHIRE (ENS Cachan)
- S243: Modeling of solids

Master 1 Mechanics and Systems Engineering (ENS Cachan/UPMC)
- MSX02: Vibrations and waves
- MSX03: Numerical methods
- MSX05: Research projects
- MSM21: Structural analysis using the FEM - linear thermoelasticity
- MSM22: Structural analysis using the FEM - nonlinear materials
- MSM23: Waves and shocks in structures

Preparation for Agregation of Mechanics (ENS Cachan)
- A11a: Continuum mechanics

Master 2 option research, Advanced Methods for Computational Structural Mechanics (ENS Cachan/ENSTA/UPMC)
- NSM51: model formulation and control


Responsabilités collectives :

   

2011-: Responsable pdagogique du Master MIS anne M2 - parcours TACS (ENS Cachan/ENSTA/UPMC)

2011-: Reprsentant du CSMA au sein du comit "ECCOMAS Young Investigators"

2012-: Membre du comit consultatif technique de la confrence ADMOS

Organisation de confrence
2013: 2nd ECCOMAS Young Investigators Conference (YIC 2013), Bordeaux (avec C. Dobrzynski)
2015: International Conference on Adaptive Modeling and Simulation (ADMOS 2015), Nantes, (avec F. Chinesta)

Co-organisation de mini-symposium
- "Reliable and robust methods for global and goal-oriented error estimation in finite element analyses" avec P. Diez, P. Ladevze et E. Stein (ECCM 2010, Paris)
- "Estimation of modeling error and model adaptation in computational mechanics" avec R. Cottereau, J.T. Oden et S. Prudhomme (ECCM 2010, Paris)
- "Estimation of modeling error and adaptive modeling with applications in computational mechanics" avec H. Ben Dhia, R. Cottereau, J.T. Oden et S. Prudhomme (WCCM 2010, Sydney)
- "Error estimation and modeling adaptation in computational mechanics" avec P. Ladevze, P. Diez et M. Ainsworth (ECCOMAS 2012, Vienne)
- "Guaranteed bounds" (ADMOS 2013, Lisbonne)
- "Applications of error estimation and model adaptation in Computational Mechanics" avec P. Diez, F. Larsson et K. Van der Zee (WCCM 2014, Barcelone)

Collective responsabilities:

 

2011-: Pedagogic head of Master 2, Advanced Methods for Computational Structural Mechanics (ENS Cachan/ENSTA/UPMC)

2011-: Representative of CSMA association in the ECCOMAS Young Investigators Committee

2012-: Member of the Technical Advisory Panel of the ADMOS conference

Conference organisation
2013: 2nd ECCOMAS Young Investigators Conference (YIC 2013), Bordeaux (co-chair: C. Dobrzynski)
2015: International Conference on Adaptive Modeling and Simulation (ADMOS 2015), Nantes, (co-chair: F. Chinesta)

Mini-symposium co-organisation
- "Reliable and robust methods for global and goal-oriented error estimation in finite element analyses" with P. Diez, P. Ladevze, and E. Stein (ECCM 2010, Paris)
- "Estimation of modeling error and model adaptation in computational mechanics" with R. Cottereau, J.T. Oden, and S. Prudhomme (ECCM 2010, Paris)
- "Estimation of modeling error and adaptive modeling with applications in computational mechanics" with H. Ben Dhia, R. Cottereau, J.T. Oden, and S. Prudhomme (WCCM 2010, Sydney)
- "Error estimation and modeling adaptation in computational mechanics" with P. Ladevze, P. Diez, and M. Ainsworth (ECCOMAS 2012, Vienna)
- "Guaranteed bounds" (ADMOS 2013, Lisbon)
- "Applications of error estimation and model adaptation in Computational Mechanics" with P. Diez, F. Larsson, and K. Van der Zee (WCCM 2014, Barcelona)


Principales publications / Selected publications :

Année 2016

MARCHAND, B., CHAMOIN, L., REY, C. Real-time updating of structural mechanics models using Kalman filtering, modified Constitutive Relation Error, and Proper Generalized Decomposition. International Journal for Numerical Methods in Engineering. 2016 DOI  

WANG, L., CHAMOIN, L., LADEVEZE, P., ZHONG, H. Computable upper and lower bounds on eigenfrequencies. Computer Methods in Applied Mechanics and Engineering. Vol 302. Pages 27-43. 2016 DOI  

MARCHAND, B., CHAMOIN, L., REY, C. On a Data Assimilation Method Coupling Kalman Filtering, MCRE Concept, and PGD Model Reduction for Real-Time Updating of Structural Mechanics Models. SIAM Conference on Uncertainty Quantification. 2016.

CHAMOIN, L., LADEVEZE, P., ALLIER, P.E. Error estimation and adaptivity for PGD reduced models. SIAM Conference on Uncertainty Quantification. 2016. conférence invitée

CHAMOIN, L., LEGOLL, F. Certified multiscale computations based on MsFEM and PGD model reduction. ECCOMAS 2016 - 7th European Congress on Computational Methods in Applied Sciences and Engineering. 2016.

BRISARD, S., CHAMOIN, L. Constitutive relation error for FFT-based methods. ECCOMAS 2016 - 7th European Congress on Computational Methods in Applied Sciences and Engineering. 2016.

PLED, F., CHAMOIN, L., ALLIER, P.E., LADEVEZE, P. On the control of PGD reduced-order approximations: error estimation and adaptivity. ECCOMAS 2016 - 7th European Congress on Computational Methods in Applied Sciences and Engineering. 2016.

CHAMOIN, L., LEGOLL, F. Control of the Multiscale Finite Element Method using a posteriori error estimation. WCCM 2016 - 12th World Congress on Computational Mechanics. 2016.

PRUDHOMME, S., KERGRENE, K., CHAMOIN, L. Optimization of model reduction methods with respect to quantities of interest. WCCM 2016 - 12th World Congress on Computational Mechanics. 2016.

HILD, F., BOUTERF, A., CHAMOIN, L., LECLERC, H., MATHIEU, F., NEGGERS, J., PLED, F., TOMICEVIC, Z., ROUX, S. Toward 4D Mechanical Correlation. Workshop « New Challenges in Computational Mechanics ». 2016. confé,rence invité,e

CHAMOIN, L., ALLIER, P.E., MARCHAND, B. Synergies between the Constitutive Relation Error concept and PGD model reduction for simplified V&V procedures. Workshop « New Challenges in Computational Mechanics ». 2016. invited conference

HILD, F., BOUTERF, A., CHAMOIN, L., LECLERC, H., MATHIEU, F., NEGGERS, J., PLED, F., TOMICEVIC, Z., ROUX, S. Toward 4D Mechanical Correlation. Advanced Modeling and Simulation in Engineering Sciences. Vol 3. Num 1. Pages 1-26. 2016 DOI   HAL CNRS  

CHAMOIN, L., ALLIER, P.E., MARCHAND, B. Synergies between the Constitutive Relation Error concept and PGD model reduction for simplified V&V procedures. Advanced Modeling and Simulation in Engineering Sciences. Vol 3. Num 18. 2016 DOI   HAL CNRS  

LE COENT, A., DE VUSYT, F., REY, C., CHAMOIN, L., FRIBOURG, L. Control of mechanical systems using set-based methods. International Journal of Dynamics and Control. Pages 1-17. 2016 DOI  

Année 2015

MARCHAND, B., CHAMOIN, L., REY, C. Recalage en temps réel de modèle mécanique par couplage entre filtre de Kalman, erreur en relation de comportement modifiée et réduction de modèle. Congres français de mecanique. 2015.

ALLIER, P.E., CHAMOIN, L., LADEVEZE, P. Une nouvelle strategie de calcul de modeles reduits PGD basee sur l erreur en relation de comportement. CSMA 2015. 2015. keynote lecture

ALLIER, P.E., CHAMOIN, L., LADEVEZE, P. An a posteriori verification procedure for PGD reduced models. Inovation in Construction . 2015.

LE COENT, A., DE VUYST, F., REY, C., CHAMOIN, L., FRIBOURG, L. Guaranteed control of switched control systems using model order reduction and state-space bisection. Open Access Series in Informatics. 2015 DOI  

CHAMOIN, L., LEGOLL, F., LE BRIS, C. A posteriori error estimation and adaptive strategy for multiscale computations based on MsFEM. YIC GACM 2015 - 3rd ECCOMAS Young Investigators Conference. 2015.

CHAMOIN, L., LEGOLL, F., LE BRIS, C. Control of the multiscale finite element method using a posteriori error estimation and adaptive strategy. USNCCM13 - 13th US National Congress on Computational Mechanics. 2015.

LADEVEZE, P., ALLIER, P.E., CHAMOIN, L., NERON, D. Verification and effectivity of PGD computational techniques. USNCCM13 - 13th US National Congress on Computational Mechanics. 2015.

CHAMOIN, L., MARCHAND, B., REY, C. Real-time model updating using modified CRE, Kalman filtering, and PGD-reduced models. ADMOS 2015 - 7th International Conference on Adaptive Modeling and Simulation. 2015.

LADEVEZE, P., ALLIER, P.E., CHAMOIN, L., NERON, D. Effectivity and limits of PGD computational techniques. ADMOS 2015 - 7th International Conference on Adaptive Modeling and Simulation. 2015.

ALLIER, P.E., CHAMOIN, L., LADEVEZE, P. A posteriori verification of PGD reduced models with application to engineering computation. ADMOS 2015 - 7th International Conference on Adaptive Modeling and Simulation. 2015.

WANG, L., CHAMOIN, L., LADEVEZE, P. Verification for eigenvalue problems. ADMOS 2015 - 7th International Conference on Adaptive Modeling and Simulation. 2015.

MARCHAND, B., CHAMOIN, L., REY, C. Couplage entre filtre de Kalman, erreur en relation de comportement modifiée, et réduction de modèle pour le recalage en temps réel de modèles dynamiques. CSMA 2015. 2015.

LE COENT, A., DE VUYST, F., REY, C., CHAMOIN, L., FRIBOURG, L. Contrôle garanti de systèmes quantifiés par décomposition de l'espace des états d'un modèle différentiel réduit. CSMA 2015. 2015.

CHAMOIN, L. Goal-oriented strategy for model verification, reduction, and validation in Computational Mechanics. Séminaire IMT. 2015.

CHAMOIN, L. Goal-oriented modeling in Computational Mechanics. Séminaire Aristote. 2015.

ALLIER, P.E., CHAMOIN, L., LADEVEZE, P. New PGD computational method based on CRE. NTCS 2015 - 2nd Thematic Workshop CSMA-SEMNI. 2015

LE COENT, A., DE VUYST, F., REY, C., CHAMOIN, L., FRIBOURG, L. Guaranteed control of switched control systems using model order reduction and state-space bisection. SynCoP 2015 - 2nd International Workshop on Synthesis of Complex Parameters. 2015

MARCHAND, B., CHAMOIN, L., REY, C. Coupling Modified Constitutive Relation Error, Model Reduction and Kalman filtering algorithms for Real-Time Parameters Identification. NCMIP 2015 - 5th International Workshop on New Computational Methods for Inverse Problems. 2015. poster

MARCHAND, B., CHAMOIN, L., REY, C. PGD reduced models for Real-time model updating using modified CRE and Kalman filtering. 13th U.S. National Congress on Computational Mechanics (USNCCM). 2015.

ALLIER, P.E., CHAMOIN, L., LADEVEZE, P. Proper Generalized Decomposition computational methods on a benchmark problem: introducing a new strategy based on Constitutive Relation Error minimization. Advanced Modeling and Simulation in Engineering Sciences. Vol 2. Num 17. 2015 DOI  

CHAMOIN, L., LADEVEZE, P., ALLIER, P.E. Verification and effectivity of PGD model reduction. MORE Workshop on Model Reduction. 2015. conference generale

CHAMOIN, L., DIEZ, P. Verifying calculations, forty years on: an overview of classical verification techniques for FEM simulations Publisher Springer International Publishing. Nb Pages 94. 2015 DOI  

CHAMOIN, L., DIEZ, P. Advanced Modeling and Simulation in Engineering Sciences. Vol 2. 2015

LADEVEZE, P., CHAMOIN, L. Verifying calculations, forty years on: an overview of classical verification techniques for FEM simulations. Section The Constitutive Relation Error Method: a general verification tool. Publisher Springer International Publishing. Nb Pages 94. 2015

MARCHAND, B., CHAMOIN, L., REY, C. Coupling Modified Constitutive Relation Error, Model Reduction and Kalman Filtering Algorithms for Real-Time Parameters Identification. Journal of Physics: Comference Series. Vol 657. Num 1. Pages 12007-. 2015 DOI  

ALLIER, P.E., CHAMOIN, L., LADEVEZE, P. PGD driven by the CRE: minimal CRE/PGD. Reduced Basis, POD and PGD Model Reduction Techniques. 2015. poster HAL CNRS  

BRISARD, S., CHAMOIN, L. A posteriori error estimators for FFT-based numerical techniques. MAI Workshop Micromechanics of cementitious materials. 2015

LEGOLL, F., CHAMOIN, L. A posteriori error estimation for multiscale computations based on MsFEM. Workshop on Multiscale Modeling and Analysis in Materials Science. 2015

CHAMOIN, L. Data assimilation on nonlinear dynamical systems using Kalman filtering, model reduction, and the concept of modified Constitutive Relation Error. Seminaire du laboratoire POEMS. 2015.

Année 2014

MARCHAIS, J., REY, C., CHAMOIN, L. Geometrically consistent approximations of the energy for the transition between nonlocal and local discrete models. Computational Materials Science. Vol 85. Pages 280-294. 2014 DOI  

CHAMOIN, L. Vérification et validation de modèles pour le calcul de quantités d'intérêt en ingénierie mécanique. Séminaire interne du laboratoire Navier. 2014.

CHAMOIN, L., LADEVEZE, P., WAEYTENS, J. Goal-oriented updating of mechanical models using the adjoint framework. V&V 2014 - Verification and Validation Symposium. 2014.

CHAMOIN, L., LADEVEZE, P., ALLIER, P.E. Recent advances in the control of PGD-based approximations. Numerical Methods for High-Dimensional Problems. 2014

WAEYTENS, J., CHAMOIN, L., LADEVEZE, P. Monitoring of reinforced concrete beam using goal-oriented inverse modeling techniques based on the error in the constitutive law. 7th European Workshop on Structural Health Monitoring. 2014.

ALLIER, P.E., CHAMOIN, L., LADEVEZE, P. A New PGD Approximation: Computation and Verification. CST 2014 - 12th International Conference on Computational Structures Technology. Num 190. 2014. DOI  

PLED, F., CHAMOIN, L., LADEVEZE, P. On the verification of PGD reduced-order models. WCCM XI - 11th World Congress on Computational Mechanics. 2014.

MENDONCA, P., CHAMOIN, L., DE BARCELLOS, C.. Aspects of error estimate in quantity of interest for the FSDT laminated plate model and GFEM. WCCM XI - 11th World Congress on Computational Mechanics. 2014.

CHAMOIN, L., LADEVEZE, P., WAEYTENS, J. Goal-oriented strategy for the updating of mechanical models. WCCM XI - 11th World Congress on Computational Mechanics. 2014.

CHAMOIN, L., LADEVèZE, P., WAEYTENS, J. Goal-oriented updating of mechanical models using the adjoint framework. Computational Mechanics. Vol 54. Num 6. Pages 1415-1430. 2014 DOI  

CHAMOIN, L. Goal-oriented approach for verification, reduction, and updating of mechanical models. Séminaire Modélisation et Calcul Scientifique - INRIA-Rocquencourt. 2014.

CHAMOIN, L., LADEVEZE, P., WAEYTENS, J. Goal-oriented updating of mechanical models. Journal of Physics: Comference Series. Vol 542. Pages 12004-. 2014 DOI  

LE COENT, A., DE VUYST, F., REY, C., CHAMOIN, L., FRIBOURG, L. An adaptation of the tool MINIMATOR for the control of PDEs using interpolating model order reduction techniques. 2nd International Workshop on Simulation at the System Level. 2014

DE VUYST, F., CHAMOIN, L., REY, C. Couplage de modèles multi-échelles espace/temps en dynamique. 7e Journée Farman . 2014

LE COENT, A., CHAMOIN, L., REY, C., DE VUYST, F., FRIBOURG, L. Conception de systèmes de commande à commutation pour les systèmes aux dérivées partielles. 7e Journée Farman . 2014

CHAMOIN, L. Vérification des modèles numériques: estimation d'erreur et techniques adaptatives. Séminaire J.L. Lions du Collège de France. 2014.

COURARD, A., NERON, D., CHAMOIN, L., LADEVEZE, P., BERGEROT, A., BALLERE, L. PGD-virtual chats for structural design. WCCM XI - 11th World Congress on Computational Mechanics. 2014.

Année 2013

ZACCARDI, C., CHAMOIN, L., COTTEREAU, R., BEN DHIA, H. Error estimation and model adaptation for a stochastic-deterministic coupling method based on the Arlequin framework. International Journal for Numerical Methods in Engineering. Vol 96. Num 2. Pages 87-109. 2013 DOI  

LADEVEZE, P., PLED, F., CHAMOIN, L. New bounding techniques for goal-oriented error estimation applied to linear problems. International Journal for Numerical Methods in Engineering. Vol 93. Num 13. Pages 1345-1380. 2013 Draft PDF   DOI  

CHAMOIN, L., LADEVEZE, P., PLED, F. Recent advances in the control of PGD-based approximations. ADMOS 2013 - International Conference on Adaptive Modeling and Simulation. 2013.

CHAMOIN, L., LADEVEZE, P., PLED, F. Verification et validation de modèles dédiées à des quantités d'intérêt. CSMA 2013. 2013.

PLED, F., CHAMOIN, L., LADEVEZE, P. New bounding techniques for goal-oriented error estimation in FE simulations. ADMOS 2013 - International Conference on Adaptive Modeling and Simulation. 2013.

CHAMOIN, L., LADEVEZE, P., PLED, F. Goal-oriented control of PGD-based simulations. USNCCM 12 - 12th National Congress on Computational Mechanics. 2013.

MARCHAIS, J., REY, C., CHAMOIN, L. Modélisation multi-échelle en dynamique : réduction des réflexions aux interfaces. CSMA 2013. 2013.

MARCHAIS, J., REY, C., CHAMOIN, L. Consistent interface between local and nonlocal models: application to transient dynamics. 12th U.S. National Congress on Computational Mechanics (USNCCM12). 2013.

BOUCLIER, R., LOUF, F., CHAMOIN, L. Real-time validation of mechanical models coupling PGD and constitutive relation error. Computational Mechanics. Vol 52. Num 4. Pages 861-883. 2013 DOI  

CHAMOIN, L., DESVILLETTES, L. Control of modeling errors in the coupling of linear transport and diffusion models. Computer Methods in Applied Mechanics and Engineering. Vol 261-262. Pages 83-95. 2013 DOI  

REY, C., MARCHAIS, J., CHAMOIN, L. A multiscale computational framework for nonlocal discrete element models: reduction of spurious effects at interfaces. Coupled Problems. 2013.

CHAMOIN, L., LADEVèZE, P. Goal-oriented model calibration using the adjoint framework. YIC 2013 - 2nd ECCOMAS Young Investigators Conference. 2013.

CHAMOIN, L. Stratégie de vérification et validation de modèles dédiée au calcul de quantités d'intérêt en ingénierie mécanique. Séminaire du laboratoire MSME. 2013.

CHAMOIN, L. Strategy for Goal-Oriented Model Verification and Validation in Computational Mechanics. Séminaire interne de l'IMB. 2013.

Année 2012

WAEYTENS, J., CHAMOIN, L., LADEVEZE, P. Guaranteed error bounds on pointwise quantities of interest for transient viscodynamics problems. Computational Mechanics. Vol 49. Num 3. Pages 291-307. 2012 DOI  

PLED, F., CHAMOIN, L., LADEVEZE, P. An enhanced method with local energy minimization for the robust a posteriori construction of equilibrated stress fields in finite element analyses. Computational Mechanics. Vol 49. Num 3. Pages 357-378. 2012 Draft PDF   DOI  

LADEVEZE, P., CHAMOIN, L. PGD approximations in Computational Mechanics: basic features and verification. Advances in Computational Science, Engineering, and Mathematics. 2012

CHAMOIN, L. Goal-oriented error estimation in computational mechanics. Oberwolfach Workshop - Advanced Computational Engineering. 2012.

CHAMOIN, L., LADEVèZE, P. Control of numerical simulations performed using the Proper Generalized Decomposition. ECCOMAS YIC 2012 - Young Investigators Conference. 2012.

CHAMOIN, L., LADEVEZE, P., PLED, F. Goal-oriented control of finite element models: recent advances and performances on 3D industrial applications. ASME 2012 - 11th Biennal Conference on Engineering Systems Design and Analysis. 2012.

PLED, F., CHAMOIN, L., LADEVEZE, P. New advances in robust goal-oriented error estimation for FE simulations. WCCM - 10th WORLD CONGRESS ON COMPUTATIONAL MECHANICS. 2012.

CHAMOIN, L., PLED, F., LADEVEZE, P. Mechanics-based verification method - application to computational models. ICTAM 2012 - 23rd International Congress of Theoretical And Applied Mechanics. 2012.

CHAMOIN, L., LADEVEZE, P., PLED, F. Robust control of PGD-based reduced models. International Workshop on Virtual Materials. 2012

CHAMOIN, L., MARCHAIS, J., REY, C. Goal-oriented error estimation and adaptive control in the reduction of nonlocal particle models. ECCOMAS 2012 - European Congress on Computational Methods in Applied Sciences and Engineering. 2012.

CHAMOIN, L., FLORENTIN, E., PAVOT, S., VISSEQ, V. Robust goal-oriented error estimation based on the constitutive relation for stochastic problems. Computers & Structures. Vol 106-107. Pages 189-195. 2012 DOI  

REY, C., MARCHAIS, J., CHAMOIN, L. Geometrically consistent approximations of the energy in the quasi-continuum framework. WCCM - 10th WORLD CONGRESS ON COMPUTATIONAL MECHANICS. 2012.

CHAMOIN, L., LADEVEZE, P. Robust control of PGD-based numerical simulations. European Journal of Computational Mechanics . Vol 21. Num 3-6. Pages 195-207. 2012 DOI  

MARCHAIS, J., REY, C., CHAMOIN, L. Representation of Localized Phenomena in Dynamics using Multi-Scale Coupling. The Eleventh International Conference on Computational Structures Technology. 2012.

LADEVEZE, P., CHAMOIN, L., NERON, D. PGD in Computational Mechanics: basic features, verification and engineering applications. ECCOMAS 2012 - European Congress on Computational Methods in Applied Sciences and Engineering. 2012. semi-plenary lecture

ZACCARDI, C., CHAMOIN, L., COTTEREAU, R., BEN DHIA, H. Adaptive coupling between stochastic and deterministic continuum models in the framework of the Arlequin method. ECCOMAS 2012 - European Congress on Computational Methods in Applied Sciences and Engineering. 2012.

LADEVEZE, P., CHAMOIN, L. Bytes and Science. Section Towards guaranteed PGD-reduced models. Publisher CIMNE . Editor G. Zavarise and D.P. Boso. Nb Pages 292. 2012

Année 2011

CHAMOIN, L. Analyse de structures à travers des quantités d'intérêt: calcul, vérification et validation des modèles . Séminaire du LMT - ENS Cachan. 2011

WAEYTENS, J., CHAMOIN, L., LADEVèZE, P. Obtention de bornes strictes et pertinentes sur une quantité d'intérêt en dynamique. 10e Colloque National En Calcul Des Structures. 2011.

WAEYTENS, J., CHAMOIN, L., LADEVEZE, P. Effective and strict error bounds on quantities of interest in transient dynamics. International Conference on Adaptivite Modeling and Simulation. 2011.

PLED, F., CHAMOIN, L., LADEVEZE, P. On the techniques for constructing admissible stress fields in model verification: performances on engineering examples. International Journal for Numerical Methods in Engineering. Vol 88. Num 5. Pages 409-441. 2011 Draft PDF   DOI  

FLORENTIN, E., CHAMOIN, L., PAVOT, S., VISSEQ, V. Robust goal-oriented error estimation in the stochastic framework. International Conference on Adaptivite Modeling and Simulation. 2011.

ZACCARDI, C., CHAMOIN, L., COTTEREAU, R., BEN DHIA, H. Adaptive coupling of a stochastic continuum model with a deterministic one in the framework of the Arlequin method . MASCOT NUM 2011 Workshop. 2011

CHAMOIN, L., LADEVèZE, P. Contrôle robuste des simulations numériques utilisant la PGD. 10e Colloque National En Calcul Des Structures. 2011.

ZACCARDI, C., CHAMOIN, L., COTTEREAU, R., BEN DHIA, H. Couplage adaptatif d'un modèle stochastique discret et d'un modèle déterministe continu par la méthode Arlequin. 10e Colloque National En Calcul Des Structures. 2011.

CHAMOIN, L., DESVILLETTES, L. Control of modeling errors in neutron transport simulations. International Conference on Adaptivite Modeling and Simulation. 2011.

PLED, F., CHAMOIN, L., LADEVEZE, P. Construction of admissible fields and goal-oriented error estimation: performances on engineering examples. International Conference on Adaptivite Modeling and Simulation. 2011.

ZACCARDI, C., CHAMOIN, L., COTTEREAU, R., BEN DHIA, H. Error estimation for the coupling between a deterministic continuum model and a stochastic discrete model in the Arlequin framework. International Conference on Adaptivite Modeling and Simulation. 2011.

LADEVEZE, P., CHAMOIN, L. On the verification of model reduction methods based on the Proper Generalized Decomposition. Computer Methods in Applied Mechanics and Engineering. Vol 200. Pages 2032-2047. 2011 DOI  

CHAMOIN, L. Robust goal-oriented error estimation in the XFEM framework. XFEM 2011 - International Conference on Extended Finite Element Methods. 2011. keynote lecture conference semi-pleniere

CHAMOIN, L., LADEVEZE, P., WAEYTENS, J. The CRE-method: a general approach to get guaranteed local error bounds for time-dependent problems. ICIAM 2011 - 7th International Congress on Industrial and Applied Mathematics. 2011.

CHAMOIN, L., DESVILLETTES, L. Goal-oriented modeling error estimation applied to neutronics. USNCCM 11 - 11th National Congress on Computational Mechanics. 2011.

PRUDHOMME, S., ODEN, J., CHAMOIN, L., BEN DHIA, H. Adaptive modeling and simulation for coupling methods. International Conference on Adaptivite Modeling and Simulation. 2011. plenary lecture

PLED, F., CHAMOIN, L., LADEVEZE, P. Construction de champs admissibles pour le calcul d'erreur locale : application sur des exemples industriels. 20e Congrès Français de Mécanique - CFM. 2011.

CHAMOIN, L. Structural analysis through quantities of interest: model computation, verification and validation. Workshop - Virtual Materials and Structures and their Validation. 2011

Année 2010

PANETIER, J., LADEVEZE, P., CHAMOIN, L. Strict and effective bounds in goal-oriented error estimation applied to fracture mechanics problems solved with XFEM. International Journal for Numerical Methods in Engineering. Vol 81. Num 6. Pages 671-700. 2010 DOI  

LADEVEZE, P., CHAMOIN, L., FLORENTIN, E. A new non-intrusive technique for the construction of admissible stress fields in model verification. Computer Methods in Applied Mechanics and Engineering. Vol 199. Num 9-12. Pages 766-777. 2010 DOI  

WAEYTENS, J., LADEVEZE, P., CHAMOIN, L. Verification in transient dynamics through guaranteed error bounds . ECCM, 10. 2010.

PRUDHOMME, S., BEN DHIA, H., CHAMOIN, L., ODEN, J.T. On an optimal approach for adaptive atomic-to-continuum coupling methods. ECCM, 10. 2010.

DESVILLETTES, L., CHAMOIN, L. Control of simulation models used for kinetic equations. ECCM, 10. 2010.

CHAMOIN, L., LADEVEZE, P. Control of numerical outputs for fracture mechanics problems solved with XFEM. ECCM, 10. 2010.

ZACCARDI, C., COTTEREAU, R., CHAMOIN, L., BEN DHIA, H. Multiscale stochastic model and coupling with the Arlequin method. ECCM, 10. 2010.

CHAMOIN, L., LADEVEZE, P. Robust control on nonlinear pointwise outputs of interest approximated with the finite element method. WCCM/APCOM 2010. 2010.

CHAMOIN, L., PRUDHOMME, S., BEN DHIA, H., ODEN, J.T. Ghost forces and spurious effects in atomic-to-continuum coupling methods by the Arlequin approach. International Journal for Numerical Methods in Engineering. Vol 83. Pages 1081-1113. 2010 DOI  

LADEVEZE, P., CHAMOIN, L. Calculation of strict error bounds for finite element approximations of non-linear pointwise quantities of interest. International Journal for Numerical Methods in Engineering. Vol 84. Pages 1638-1664. 2010 DOI  

PRUDHOMME, S., BEN DHIA, H., CHAMOIN, L., ODEN, J.. Optimal control of modeling errors for multiscale simulations. WCCM/APCOM 2010. 2010.

COTTEREAU, R., CHAMOIN, L., DIEZ, P. Strict error bounds for linear and nonlinear solid mechanics problems using a patch-based flux-free method. Mécanique & Industries. Vol 11. Pages 249-254. 2010 DOI  

CHAMOIN, L. Vérification de modèles à travers des quantités d'intérêt. Séminaire du CMLA - ENS Cachan. 2010

BEN DHIA, H., CHAMOIN, L., ODEN, J.T., PRUDHOMME, S. A new adaptive modeling strategy based on optimal control for atomic-to-continuum coupling simulations. Computer Methods in Applied Mechanics and Engineering. Vol 200. Num 37-40. Pages 2675-2696. 2010 DOI  

Année 2009

PRUDHOMME, S., CHAMOIN, L., BEN DHIA, H., BAUMAN, P. An adaptive strategy for the control of modeling error in two-dimensional atomic-to-continuum coupling simulations. Computer Methods in Applied Mechanics and Engineering. Vol 198. Num 21-26. Pages 1887-1901. 2009 DOI  

ODEN, J., PRUDHOMME, S., BAUMAN, P., CHAMOIN, L. Bridging the scales in Science and Engineering. Section Estimation and control of modeling error : a general approach to multiscale modeling. Publisher J. Fish. Editor Oxford University Press. 2009

CHAMOIN, L., LADEVEZE, L. Strict and practical bounds through a non-intrusive and goal-oriented error estimation method for linear viscoelasticity problems. Finite Elements in Analysis and Design. Vol 45 . Num 4. Pages 251-262. 2009 DOI  

WAEYTENS, J., CHAMOIN, L., LADEVEZE, P. Model Verification in Dynamics Through Strict Error Upper Bounds. ADMOS 2009 - 4th International Conference on Adaptative Modeling and Simulation. 2009.

WAEYTENS, J., CHAMOIN, L., LADEVEZE, P. Model verification in dynamics through strict upper error bounds. CompDyn 2009 , 2nd International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering. 2009.

WAEYTENS, J., CHAMOIN, L., LADEVEZE, P. Obtention de bornes garanties sur une quantité d’intérêt en dynamique. CFM 2009 - 19e Congrès Français de Mécanique. 2009.

CHAMOIN, L., LADEVEZE, P., FLORENTIN, E. Goal-oriented and guaranteed error estimation adapted to finite element codes. ADMOS 2009 - 4th International Conference on Adaptative Modeling and Simulation. 2009.

PRUDHOMME, S., CHAMOIN, L., BEN DHIA, H., BAUMAN, P., ODEN, J. Adaptive multiscale simulations for complex molecular structures. ADMOS 2009 - 4th International Conference on Adaptative Modeling and Simulation. 2009.

CHAMOIN, L., LADEVEZE, P. Encadrement garanti et précis de quantités d'intérêt dans les simulations numériques par une méthode non-intrusive adaptée aux codes de calcul. 9e Colloque National en Calcul des Structures 2009 . 2009.

CHAMOIN, L., PANETIER, J., LADEVEZE, P. Goal-oriented error estimation through strict and effective bounds for fracture mechanics problems solved with XFEM. MAFELAP 2009 - The Mathematics of Finite Elements and Applications. 2009.

CHAMOIN, L., LADEVEZE, P., FLORENTIN, E. On the construction of admissible fields to obtain strict, high-quality, and practical bounds in goal-oriented error estimation. USNCCM 10-10th US National Congress of Computational Mechanics. 2009.

BAUMAN, P., BEN DHIA, H., CHAMOIN, L., ODEN, J., PRUDHOMME, S. Adaptive blending of molecular and continuum models. USNCCM 10-10th US National Congress of Computational Mechanics. 2009.

LADEVEZE, P., CHAMOIN, L. Verification of XFEM models through strict error bounds. Colloque BICTAM - Meshfree, Meshless, Particle and Gerenalized Extended FEM. 2009.

CHAMOIN, L. Sur le contrôle des modèles utilisés pour la simulation numérique à l'échelle particulaire. Séminaire de l'Institut Farman. 2009

CHAMOIN, L. Estimation and control of modeling errors in the multiscale simulation of atomistic systems. Journées de Metz: Aspects analytiques et méthodes de calcul en modélisation multi-échelle et applications. 2009

CHAMOIN, L. Utilisation de méthodes robustes et non-intrusives pour l'encadrement de quantités locales dans les calculs EF. Séminaire à l'Ecole Centrale Paris. 2009

PRUDHOMME, S., ODEN, J. T., CHAMOIN, L., BAUMAN, P., BEN DHIA, H. Goal-oriented adaptivity for the control of modeling errors in multiscale simulations. SIAM Conference on Computational Science and Engineering. 2009.

PRUDHOMME, S., BOUCLIER, R., CHAMOIN, L., BEN DHIA, H., ODEN, J.. Analysis of an averaging operator for atomic-to-continuum coupling methods by the Arlequin approach. Numerical Analysis and Multiscale Computations. Vol 82. Pages 365-396. 2009.

Année 2008

CHAMOIN, L., LADEVEZE, P. A non-intrusive method for the calculation of strict and efficient bounds of calculated outputs of interest in linear viscoelasticity problems. Computer Methods in Applied Mechanics and Engineering. Vol 197. Num 9/12. Pages 994-1014. 2008 DOI  

CHAMOIN, L., LADEVEZE, P. A non-intrusive approach of goal-oriented error estimation for evolution problems solved by the Finite Element Method. Revue Européenne de Mécanique Numérique. Vol 17. Num 5/7. Pages 981-992. 2008 DOI  

CHAMOIN, L., ODEN, J.T., PRUDHOMME, S. A stochastic coupling method for atomic-to-continuum simulations. Computer Methods in Applied Mechanics and Engineering. Vol 197. Num 43-44. Pages 3530-3546. 2008 DOI  

CHAMOIN, L., PRUDHOMME, S., ODEN, J.T. A coupling method to perform Monte-Carlo simulations at atomic scale. SIAM Conference on Mathematical Aspects of materials Science. 2008.

PRUDHOMME, S., ODEN, J.T., BAUMAN, P., CHAMOIN, L., BEN DHIA, H. Estimation of modeling errors for a coupling method. WCCM 8 - 8th World Congress on Computational Mechanics/ECCOMAS 2008 - 5th European Congress on Computational Methods in Applied Sciences and Engineering. 2008.

CHAMOIN, L. A non-intrusive approach to get strict and sharp error bounds on local FE quantities for evolution problems. Symposium of the 20th R.J. Melosh Competition (Duke University). 2008.

ODEN, J.T., BAUMAN, P.T., CHAMOIN, L., PRUDHOMME, S.. Estimation and control of modeling errors in multiscale simulations. Summer School on Multiscale Modeling and Analysis. 2008.

DEMKOWICZ, L., PRUDHOMME, S., RACHOWICZ, W., QIU, W., CHAMOIN, L. Multiscale analysis of vibrations of streamers. Summer School on Multiscale Modeling and Analysis. 2008.

PRUDHOMME, S., BAUMAN, P.T., BEN DHIA, H., CHAMOIN, L., ODEN, J.T. . On the control of the position and size of the overlap region in an atomistic-to-continuum coupling method. SIAM Conference on Mathematical Aspects of materials Science. 2008.

ODEN, J.T., PRUDHOMME, S., BAUMAN, P.T., CHAMOIN, L. Adaptive control of modeling error for multiscale simulations. MMM 2008 - 4th International Conference on Multiscale Materials Modeling. 2008.

PRUDHOMME, S., CHAMOIN, L., ODEN, J.T., BAUMAN, P.T. On a stochastic approach for atomic-to continuum coupling methods. MMM 2008 - 4th International Conference on Multiscale Materials Modeling. 2008.

Année 2007

CHAMOIN, L. Encadrement a posteriori de quantités locales dans les problèmes de viscoélasticité linéaire résolus par la Méthode des Eléments Finis. Thèse de Doctorat , ENS de Cachan. 2007 Draft PDF  

CHAMOIN, L., LADEVEZE, P. Encadrement de quantités d'intérêt dans les calculs éléments finis en viscoélasticité. 8e Colloque National en Calcul des Structures. 2007.

CHAMOIN, L., LADEVEZE, P. Bounds on history-dependent or independent local quantities in viscoelasticity problems solved by approximate methods. International Journal for Numerical Methods in Engineering. Vol 71. Num 12. Pages 1387-1411. 2007 DOI  

CHAMOIN, L. Encadrement a posteriori de quantités locales dans les problèmes de viscoélasticité linéaire résolus par la Méthode des Éléments Finis. Séminaire du LaMSID-EDF/CNRS. 2007.

CHAMOIN, L., LADEVEZE, P. A non-intrusive version to get strict and sharp error bounds of local quantities for linear viscoelasticity problems. ADMOS 2007- ECCOMAS Thematic Conference-International Conference on Adaptative Modeling and Simulation. 2007.

ODEN, J.T., PRUDHOMME, S., BAUMAN, P.T., CHAMOIN, L., DEMKOWICZ, L., JHURANI, C., BASS, J., WILSON, G., COLLISTER, E. Multiscale modeling of complex systems. MAMOS Workshop - Mathematics : Analysis, Modeling, Optimization and Simulation. 2007.

Année 2006

CHAMOIN, L. Encadrement de quantités d'intérêt exactes dans les problèmes d'évolution résolus par éléments finis. 7es Journées du LMT "La vision de la mécanique moderne au LMT-Cachan : du réel au virtuel". 2006

CHAMOIN, L., LADEVEZE, P. Strict, sharp and practical bounds of computed outputs of interest for evolution problems. ECCM 2006 - 3d European Conference on Computational Mechanics. 2006.

CHAMOIN, L., LADEVEZE, P. Effective bounds of calculated outputs of interest for time-dependent structural problems. WCCM 7 - 7th World Congress on Computational Mechanics. 2006.

Année 2005

CHAMOIN, L., FLORENTIN, E., LADEVEZE, P. Estimation d'erreur locale en temps dans les problèmes d'évolution. CFM 2005 - 17e Congrès français de mécanique. 2005.

LADEVEZE, P., CHAMOIN, L., FLORENTIN, E. Strict upper and lower bounds of outputs of interest for linear and nonlinear structural problems. ADMOS 2005 - 2d International Conference on Adaptive Modeling and Simulation. 2005. conference pleniere

LADEVEZE, P., CHAMOIN, L., FLORENTIN, E. Strict upper and lower bounds of outputs of interest in computational structural mechanics. USNCCM 8 - 8th US National Congress on Computational Mechanics. 2005. Keynote lecture

CHAMOIN, L. On a suitable framework for goal-oriented error estimation in linear viscoelasticity problems. ICES Seminar. 2005.

Année 2004

PRUDHOMME, S., NOBILE, F., CHAMOIN, L., ODEN, J. Analysis of a subdomain-based error estimator for finite element approximations of elliptic problems. Numerical Methods for Partial Differential Equations. Vol 20. Num 2. Pages 165-192. 2004 DOI