Isabelle RAMIERE
Présentation
2021 : Habilitation thesis (HDR, Habilitation à Diriger des Recherches), Doctor of Science (DSc), Aix-Marseille University. 2006 : PhD in Applied Mathematics, Aix-Marseille University. 2003 : Engineering degree in Applied Mathematics, INSA Rouen, Head of promotion 2003 : Master of Science in Engineering Sciences, University of Rouen, Head of promotion. Since 2023: Research Director at CEA (French Alternative Energies and Atomic Energy Commission) Since 2022 : Senior Expert at CEA of Cadarache, Energy Division, Fuel Study Department.
Development of innovative and efficient numerical methods in the fuel behavior numerical simulation platform PLEIADES.
Keywords : multiphysics coupling, multiscale coupling, adaptive mesh refinement, fixed point acceleration, numerical homogenization, reduced order modeling, solids mechanics, contact mechanics. 2016-22 : Expert Research Scientist at CEA of Cadarache, Nuclear Energy Division, Fuel Study Department. 2009-15 : Research Engineer at CEA of Cadarache, Nuclear Energy Division, Fuel Study Department. 2007-09 : Research Engineer at CEA of Marcoule, Nuclear Energy Division, RadioChemistry and Processes Department. 2006-07 : Research Engineer at CNRS, Geoscience modeling and imaging Lab, Pau. Since 2022 : Head of the course "Nuclear engineering and modelization" at the Engineering school Seatech Toulon (12h/ year) 2016-23 : Head of the course "Finite Elements" at the Engineering school Polytech' Marseille (20h / year) 2013-15 : Intervention at INSA Rouen on "Numerical methods for nuclear fuel simulation" (4h / year) Pierre Dubois (2024- ), Alexandre Epalle (2021-24), Louis Belgrand (2020-23), Simon Le Berre (2020-23), Daria Koliesnikova (2017-21), Mourad Temmar (2016-19), Jules Fauque (2015-18), Hao Liu (2013-16), Lauréline Barbié (2010-13). Anas El Hachimi (2025- ), Tomaso Barani (2020-21)Researcher in Applied Mathematics and Computational Mechanics
Brief CV
Education
Positions
Teaching
PhD supervisions
Post-doctoral supervision
List of publications available on HAL
Publications
Publications
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Machine learning based models for HPC thermomechanical fuel assessmentFISA-EURADWASTE 2025 & SNETP Forum, May 2025, Varsovie, Poland |
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Accurate multiscale solutions to quasi-stationary thermal problems involving a heterogeneous heat sourceWCCM 2024 / PANACM 2024 - the 16th World Congress on Computational Mechanics and 4th Pan American Congress on Computational Mechanics, Jul 2024, Vancouver, Canada |
Simulation of actinides and lanthanides oxalic precipitation in a vortex reactor: multi-compartmental approach27th International Congress of Chemical and Process Engineering (CHISA), Aug 2024, Prague, Czech Republic |
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Résolution du bilan de population en régime stationnaire par la méthode d’accélération du point fixe vectoriel : application à la modélisation de la précipitation oxalique du néodyme dans un réacteur à effet vortex19ème Congrès de la Société Française de Génie des Procédés (SFGP), Oct 2024, Deauville, France |
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Efficient hyper-reduced order modelling of mixed contact problems defined on non-matching gridsECCOMAS 2024 - 9th European Congress on Computational Methods in Applied Sciences and Engineering, Jun 2024, Lisbonne, Portugal |
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Simulation massivement parallèle et raffinement adaptatif de maillage pour les problèmes de mécanique du contact 3D16ème Colloque National en Calcul de Structures (CSMA 2024), CNRS; CSMA; ENS Paris-Saclay; CentraleSupélec, May 2024, Hyères, France |
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Computational framework for Adaptive Mesh Refinement methods in linear and nonlinear solid mechanicsWCCM 2024 - the 16th World Congress on Computational Mechanics and 4th Pan American Congress on Computational Mechanics, Jul 2024, Vancouver, Canada |
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Computational framework for automatic mesh refinement in nonlinear quasi-static solid mechanics context: multilevel adaptive strategy with controlled accuracyECCOMAS Congress 2024 - 9th European Congress on Computational Methods in Applied Sciences and Engineering, Jun 2024, Lisbonne, Portugal |
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Hyper-Reduction of node-to-surface contact models between nonlinear behavior materialsUSNCCM17 - the 17th U.S. National Congress on Computational Mechanics, Jul 2023, Albuquerque, United States |
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On the Hyper-Reduction of variational inequalities. Application to contact mechanics problems.MORTECH2023 - 6th International Workshop on Model Reduction Techniques, Nov 2023, Paris, France |
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Error analysis of the Hybrid Hyper-Reduction method for frictionless contact problemsICCCM 2023 - 7th International conference on computational contact mechanics, ECCOMAS (Thematic conference), Jul 2023, Turin, Italy |
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Effets de la proximité des inclusions dans un Volume Elémentaire Représentatif sur le calcul des champs locaux et des propriétés effectivesCSMA 2022 - 15ème colloque national en calcul des structures, Université Polytechnique Hauts-de-France [UPHF], May 2022, Giens, France |
Multilevel Adaptive Mesh Refinement with controlled accuracy for nonlinear quasi-static mechanicsWCCM 2022, Jul 2022, Yokohama, Japan |
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Modeling fabrication and crack-induced porosity migration in uranium-plutonium mixed oxide fuels for Sodium Fast ReactorsNumat 2022 - The Nuclear Materials Conference, Oct 2022, Gand, Belgium |
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Hyper-réduction d'ordre de modèle pour la mécanique du contact traité par multiplicateurs de Lagrange15e colloque national en calcul des structures, Université Polytechnique Hauts-de-France [UPHF], May 2022, 83400 Hyères-les-Palmiers, France |
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MANTA : un code HPC généraliste pour la simulation de problèmes complexes en mécaniqueCSMA 2022 15ème Colloque National en Calcul des Structures, May 2022, Giens, France |
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Efficiency of boundary conditions on the computation of local fields in a Representative Volume ElementECCOMAS Congress 2022 - The 8th European Congress on Computational Methods in Applied Sciences and Engineering, Jun 2022, Oslo, Norway |
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A compartmental-based approach for the modelling of a vortex precipitation reactor for nuclear energy applications7th International Conference on Population Balance Modelling, May 2022, Lyon, France |
Multilevel Adaptive Mesh Refinement with controlled accuracy for nonlinear quasi-static mechanics15th World Congress on Computational Mechanics (WCCM-XV) & 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII), Jul 2022, Yokohama, Japan |
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Adaptive multigrid local defect correction method for nonlinear solid mechanics14th WCCM & ECCOMAS Congress, Jan 2021, Virtual Congress, France |
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AUTOMATIC ADAPTIVE MESH REFINEMENT WITH CONTROLLED ACCURACY IN A MULTISCALE CONTEXT FOR NONLINEAR SOLID MECHANICSInternational Conference Nuclear Energy for New Europe, Sep 2021, BLED, Slovenia |
Raffinement de maillage adaptatif pour solveur implicite2ème journée sur les méthodes numériques " Méthodes de résolution adaptatives", Oct 2019, Cadarache, France |
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Étude comparative de la méthode Local Defect Correction et des méthodes h-adaptatives14ème Colloque National en Calcul de Structures (CSMA 2019), May 2019, Giens, France |
Conceptual and algorithmic comparison of multigrid Local Defect Correction approach and hybrid FE2 numerical homogenization techniqueJST Homogénéisation et calcul multi-chelles, Oct 2019, Champs-sur-Marne, France |
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Comparative study of Local Defect Correction method and h-adaptive methodsThe Tenth International Conference on Engineering Computational Technology, Sep 2018, Sitjes, Spain |
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New functionalities of the 3.0 version of TFEL, MFront and MTestCSMA 2017 - 13e Colloque National en Calcul des Structures, IMSIA; LMS; Onera; DMEP (CEA), May 2017, Giens, France |
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Un schéma de calcul multi-échelles de type Éléments Finis au carré pour la simulation de combustibles nucléaires hétérogènes.13e colloque national en calcul des structures, Université Paris-Saclay, May 2017, Giens, Var, France |
3d simulation in the pleiades software environment for sodium fast reactor fuel pin behavior under irradiationInternational Conference on Fast Reactors and Related Fuel Cycles: Next Generation Nuclear Systems for Sustainable Development (FR17), Jun 2017, Ekaterinbourg, Russia |
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Acceleration methods for fixed point coupled problems iterationsNumerical Methods in Coupled Problems 2017, Jun 2017, Rhodes, Greece |
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A multilevel numerical method coupling LDC and ZZ methods for frictional contact problems in elastostatics3rd International Conference on Multiscale Computational Methods for Solids and Fluids – MSF 2017, Sep 2017, Ljubljana, Slovenia |
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3d simulation in the pleiades software environment for sodium fast reactor fuel pin behavior under irradiationInternational Conference on Fast Reactors and Related Fuel Cycles Next Generation Nuclear Systems for Sustainable Development (FR17), Jun 2017, Yekaterinburg, Russia |
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New developments in ALCYONE 2.0 fuel performance codeTop Fuel 2016 - Light Water Reactor (LWR) Fuel Performance Meeting, Sep 2016, Boise, United States |
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Local Defect Correction Method coupled with the Zienkiewicz-Zhu a $posteriori$ error estimator in elastostatics Solid MechanicsCMCMM 2015 - Seventeenth copper mountain conference on multigrid methods, Mar 2015, Copper Mountain, United States |
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Automatic multigrid mesh refinement strategy for precise localized stress concentration simulation22e Congrès Français de Mécanique, Aug 2015, Lyon, France |
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Automatic multigrid mesh refinement strategy for precise localized stress concentration simulationCFM 2015 - 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France |
Recent improvements of the thermomechanical modeling in the PLEIADES platform applications to the simulation of PWR accidental transient conditions using the Alcyone fuel performance codeMMSNF-Nufuel, Nov 2015, Karlsruhe, Germany |
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Automatic mesh refinement in Solid MechanicsSeventeenth Copper Mountain Conference on Multigrid Methods, Mar 2015, Copper Mountain, United States |
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Automatic multigrid mesh refinement strategy for precise localized stress concentration simulation22ème Congrès Français de Mécanique, Aug 2015, Lyon, France |
Méthode de raffinement local de maillage multi-niveaux en mécanique des solides non-linéaire. Application à l'interaction pastille-gaine42e Congrès National d'Analyse Numérique CANUM 2014, Mar 2014, Carry-Le-Rouet, France |
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Comparisons between a Local Multigrid Method and H-Adaptive Methods in solid mechanics4th European Seminar on Computing, ESCO 2014, Jun 2014, Pilsen, Czech Republic |
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A multilevel technique based on nested local meshes for nonlinear mechanicsEighth International Conference on Engineering Computational Technology, Sep 2012, Dubrovnik, Croatia. ⟨10.4203/ccp.100.88⟩ |
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AMR Methods in solids mechanics for pellet-cladding interaction modelling5th International Conference on Adaptative Modeling and Simulation ADMOS 2011, Jun 2011, Paris, France |
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FICTITIOUS DOMAIN SIMULATIONS FOR THE TWO-PHASE FLOW ENERGY BALANCE OF THE CLOTAIRE STEAM GENERATOR MOCK-UPThe 12th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-12), 2007, Pittsburg, Pennsylvania, United States. paper 6 |
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Fictitious domain methods to solve convection-diffusion problems with general boundary conditionsProc. in the 17th Computational Fluid Dynamics Conference AIAA, Jun 2005, Toronto, Canada. Session : "Numerical methods and code optimization I" |
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On the simulation of Nuclear Power Plant Components using a fictitious domain approachNURETH-11, Oct 2005, Avignon, France. paper: 193 |
Solution du bilan de population à l'état stationnaire dans le contexte de la précipitation oxalique dans un réacteur à effet vortexCristal 10, Jun 2022, Lyon, France |
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Efficient Hyper-Reduction of contact problems treated by Lagrange multipliers.MORE 2022, Sep 2022, Berlin, Germany. 2022 |
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Efficient Hyper-Reduction of contact problems treated by Lagrange multipliersModel Reduction and Surrogate Modeling (MORE), Sep 2022, Berlin, Germany |
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La mécanique des structures - Une monographie de la Direction des énergiesCEA Paris-Saclay. Editions du Moniteur, 2025, Les Monographies de la DES, 978-2-281-14800-8 |
Advanced Numerical Methods in Computational Solid MechanicsSpecial Issue de MDPI "Advanced Numerical Methods in Computational Solid Mechanics", MDPI, pp.1512, 2023, ⟨10.3390/math11061512⟩ |
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Two fuel performance codes of the PLEIADES platform: ALCYONE and GERMINALNuclear Power Plant Design and Analysis Codes, Elsevier, pp.207-233, 2021, ⟨10.1016/B978-0-12-818190-4.00009-7⟩ |
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Hyper-réduction d’ordre de modèles pour la mécanique du contactClefs du CEA, 70, , pp.29-31, 2020, Sacrées Mathématiques |
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Accélération de convergence pour les suites vectorielles de point fixeClefs du CEA, 70, , pp.26-27, 2020, Sacrées Mathématiques |
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La méthode FIC-EBC : une méthode de domaine fictif avec sauts immergés et raffinement de maillage multi-niveauxMATAPLI, 89, pp.1-28, 2009 |
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Méthodes de domaine fictif pour des problèmes elliptiques avec conditions aux limites générales en vue de la simulation numérique d'écoulements diphasiques.Mathématiques [math]. Université de Provence - Aix-Marseille I, 2006. Français. ⟨NNT : ⟩ |
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Autour de méthodes numériques pour les couplages multiphysiques et multiéchelles en mécanique des solidesMécanique des solides [physics.class-ph]. Aix Marseille Université (AMU), 2021 |