Sylvain Lavernhe
Présentation
Professeur à l'Université Paris-Saclay
Thématiques de recherche
Fabrication additive
Optimisation du processus d'usinage
Simulation des surfaces fabriquées
Modélisation de la géométrie machine avec défauts
Publications
Publications
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Génération automatique de gammes de fabrication pour les procédés DED19ème colloque national S.mart Recherche et enseignement agiles pour une industrie soutenable, May 2025, Vogüé, Ardèche, France |
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Spatters deposition on Inconel 718 laser powder bed fusion manufacturingEuspen's 25 th International Conference and Exhibition, Jun 2025, Zaragoza, Spain |
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Définition d'entités dans le cadre de la Fabrication Additive DED : état de l'art et propositionManufacturing'21, UGA, Grenoble INP, CNRS, Jun 2024, GRENOBLE, France |
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Analyse de l'influence des paramètres de la recette de fabrication sur la trajectoire réelle du laser en LPBFManufacturing'21, UGA, Grenoble INP, CNRS, Jun 2024, GRENOBLE, France |
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Feature-based part decomposition and representation for multi-axis DED processes18th CIRP Conference on Intelligent Computation in Manufacturing Engineering, Jul 2024, Naples, Italy |
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Approche phénoménologique du contrôle de la géométrie de cordons en WAAM18ème colloque national Smart, GIS S.mart, Apr 2023, Carry-le-Rouet, France |
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Influence of process parameters and head orientation on bead geometry for coaxial wire laser additive manufacturingMaterial Forming - ESAFORM, Apr 2023, Kraków, Poland. pp.119-127, ⟨10.21741/9781644902479-14⟩ |
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Influence of head orientation on bead geometry and penetration in wire laser additive manufacturing with coaxial technologyeuspen’s 23rd International Conference & Exhibition, Jun 2023, Copenhagen, Denmark |
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Nouvelle méthodologie in situ pour la caractérisation des erreurs géométriques d'axe de rotation sur une machine-outil multi-axesS-MART 2023 : 18ème Colloque national S.mart, Arts et Métiers Paristech ENSAM Aix-en-Provence, Université de Toulon [UTLN], Apr 2023, Carry-le-Rouet, France |
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Stratégies de pilotage à grande vitesse en fusion laser sur lit de poudre dans le cadre du projet SOFIAS-MART 2023 : 18ème Colloque national S.mart, Arts et Métiers Paristech ENSAM Aix-en-Provence, Université de Toulon [UTLN], Apr 2023, Carry-le-Rouet, France |
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Influence des paramètres de fabrication et de l'orientation de la tête de dépôt sur les cordons produits par procédé laser-filConference Manufacturing21, Ecole Normale Supérieure Paris-Saclay [ENS Paris Saclay], Oct 2022, Gif Sur Yvette, France |
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Simulation thermique par méthode Flash en fabrication additive LPBF pour l'amélioration du procédé et des pièces15ème colloque national en calcul des structures, Université Polytechnique Hauts-de-France [UPHF], May 2022, 83400 Hyères-les-Palmiers, France |
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Influence du comportement de la Commande Numérique sur la trajectoire du spot laser en fusion laser sur lit de poudreConference Manufacturing21, Ecole Normale Supérieure Paris-Saclay [ENS Paris Saclay], Oct 2022, Gif Sur Yvette, France |
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Lissage et rééchantillonnage de trajectoires curvilinéaires par splines d'HermiteConference Manufacturing21, Ecole Normale Supérieure Paris-Saclay [ENS Paris Saclay], Oct 2022, Gif Sur Yvette, France |
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Simulation thermique des trajectoires de lasage basée sur des flashs en fabrication additive LPBFConférence Manufacturing’21, Jun 2021, Angers (en distantiel.), France |
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Influence of the CNC behaviour on the laser spot trajectory in LPBF processJoint Special Interest Group meeting between euspen and ASPE Advancing Precision in Additive Manufacturing, Sep 2021, St Gallen, Switzerland |
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Modélisation de la répartition d’énergie en procédé de fabrication additive laser fil avec tête coaxialeConférence Manufacturing’21, Jun 2021, Angers (en ligne), France |
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Modélisation des dimensions géométriques de cordon aux points de changement de direction en WAAMConférence Manufacturing’21, Jun 2021, Angers (en ligne), France |
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Influence of the opto-mechanical chain on the energy provided by the laser spot to the material in laser powder bed fusion processesEUSPEN Special Interest Group Meeting: Advancing Precision in Additive Manufacturing, Sep 2019, Nantes, France |
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Thermal simulation of scanning paths in LBM additive manufacturingSecond International Conference on Simulation for Additive Manufacturing, Sim-AM 2019, 2019, Pavia, Italy |
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Performance simulation of different toolpaths in 2D1/2 pocket millingPROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019, May 2019, Vitoria-Gasteiz, Spain. pp.080001, ⟨10.1063/1.5112609⟩ |
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FVPM simulation of scratching induced by a spherical indenterCMMO2019, 17th CIRP Conference on Modelling of Machining Operations, Jun 2019, Sheffield, United Kingdom. ⟨10.1016/j.procir.2019.04.149⟩ |
Caractérisation Multi-Niveaux de l'Entité d'Usinage de Forme Complexe16eme Colloque National S-mart/AIP-PRIMECA, Apr 2019, Les Karellis – Vallée de la maurienne, France |
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A kinematic simulation software for additive manufacturing metal deposition processesICWAM'19, International Congress On Welding, Additive Manufacturing And Associated Non Destructive Testing, Jun 2019, Metz, France |
Opto-mechanical modeling and identification for calibration of LPBF machineEUSPEN Special Interest Group Meeting: Advancing Precision in Additive Manufacturing, Sep 2019, Nantes, France |
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Freeform Machining Features: New Concepts and ClassificationCIRP ICME'17. 11th CIRP Conference on Intelligent Computation in Manufacturing Engineering, Jul 2017, Gulf of Naples, Italy. ⟨10.1016/j.procir.2017.12.248⟩ |
Multi-level Freeform Machining Feature CharacterizationCAD'18. Computer-Aided Design and Applications Conference, Jul 2018, Paris, France |
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Modélisation implicite du procédé d'abrasionJournées du Groupe de Travail en Modélisation Géométrique, 2018, Aix-en-Provence, France |
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FVPM simulation of a single-particle scratching surface14th internation conference on High Speed Machining 2018 - HSM 2018, Apr 2018, San-Sebastian, Spain |
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Freeform Machining Feature Recognition with Manufacturability AnalysisCIRP CMS'18. 51st CIRP Conference on Manufacturing Systems, May 2018, Stockholm Sweden. ⟨10.1016/j.procir.2018.03.261⟩ |
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Modélisation d'une chaine opto-mécanique de fabrication additive avec prise en compte des défauts d'assemblageMachines et Usinage à Grande Vitesse, Jun 2018, Bordeaux, France |
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Part surface roughness on laser sintering and milling of maraging steel 30014th Internation Conference on High Speed Manufacturing, Apr 2018, San-Sebastian, Spain |
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Simulation FVPM de rayage mono-grainMachines et Usinage à Grande Vitesse, Jun 2018, Bordeaux, France |
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Inter-comparison on multi-feature bar calibration for determining machine-tool geometric errorsLamdamap 12th International Conference & Exhibition, Mar 2017, Renishaw Innovation Centre (UK), United Kingdom |
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Choix de l'orientation outil en usinage 5 axes positionnés à partir de polytopes de jerk15ème colloque national AIP-Priméca, Apr 2017, La Plagne, France |
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Receding Horizon Based Offline Gain Adjustment for Contour Error Reduction in High Speed MillingCIRP ICME '16 - 10th CIRP Conference on Intelligent Computation In Manufacturing Engineering, 2016, Ischia, Italy. pp.227-232, ⟨10.1016/j.procir.2016.06.040⟩ |
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Opto-mechanical modelling of an additive manufacturing laser scanning head including assembly defectsJoint Special Interest Group meeting between EUSPEN and ASPE : Dimensional Accuracy and Surface Finish in Additive Manufacturing, Oct 2017, Leuven, Belgium |
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Modélisation et caractérisation des défauts de structure de machine-outil 5-axes pour la mesure in-process23ème Congrès Français de Mécanique, Aug 2017, Lille, France |
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Path planning of a laser-scanner with the control of overlap for 3d part inspection11th CIRP Conference on Intelligent Computation in Manufacturing Engineering, CIRP ICME’17 , 2017, Naples, France |
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Novel Hole-Bar Standard Design and Inter-Comparison for Geometric Errors Identification on Machine-ToolInternational Journal of Industrial and Manufacturing Engineering, World Academy of Science, Engineering and Technology, Jan 2016, Dubai, United Arab Emirates |
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Offline Gain Adjustment with Constraints for Contour Error Reduction in High Speed MillingIEEE International Conference on Advanced Intelligent Mechatronics (AIM 2016), Jul 2016, Banff, Canada. ⟨10.1109/aim.2016.7576767⟩ |
Reduction of a five axis machine tool kinematic model by combinational analysis to improve volumetric accuracyTIM Final Workshop, PTB, Braunschweig, Germany, May 2016, Braunschweig, Germany |
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Utilisation des polytopes de manipulabilité cinématique pour la génération de trajectoires 5 axes en UGV9èmes assises Machines et Usinage à Grande Vitesse, Jun 2016, Tours, France |
Determination of volumetric machine tool errors by using a hole-bar material standardTIM Final Workshop, PTB, Braunschweig, Germany, May 2016, Braunschweig, Germany |
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Reduction of a RRTTT machine tool geometric model by combinatorial analysis to improve volumetric accuracyLaser Metrology and Machine Performance (LAMDAMAP) 2015, Mar 2015, Huddersfield, United Kingdom |
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Mold Manufacturing Optimization: A Global Approach of Milling and Polishing Processes15th CIRP Conference On Modelling Of Machining Operations, Jun 2015, Karlsruhe, Germany. pp.13-18, ⟨10.1016/j.procir.2015.03.035⟩ |
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Modélisation géométrique des machines-outils 5 axes pour la compensation de l'exactitude volumétrique14eme coloque national AIP Primeca, Mar 2015, La Plagne, France |
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Optimisation de la fabrication de moule : Une approche globale des procédés de fraisage et de polissage14eme coloque national AIP Primeca, Mar 2015, La Plagne, France |
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Kinematical smoothing of rotary axis near singularity point12th International conference on High Speed Machining, Oct 2015, Nanjing, China. pp.501-508 |
Geometric errors identification on 5-axis machine-tool using both novel hole-bar standard design and laser tracer interferometer systemMacroScale : Recent Developments In Traceable Dimensional Measurements, Oct 2014, Wien, Austria |
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Axis control using model predictive control: identification and friction effect reduction3rd International Conference on Virtual Machining Process Technology, May 2014, Calgary, Canada. 8p |
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Feedrate optimization in 5-axis machining based on direct trajectory interpolation on the surface using an open cnc11th International Conference on High Speed Machining, Sep 2014, Prague, Czech Republic. paper n. 14042, 6 p |
Identification of the geometric errors of a Mikron 5-axis machine-tool using the hole-bar 3D standard and the laser tracer interferometer systemTraceable In-process dimensional Measurement for machine tools (TIM) Workshop, NPL, Nov 2014, Teddington, United Kingdom |
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Influence de la voxelisation sur la génération de trajectoires 5 axes sans collision par champs répulsifsMachines et Usinage à Grande Vitesse 2014, Oct 2014, Clermont-Ferrand, France |
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Amélioration de la qualité des pièces usinées par interpolation directe du trajet sur surfaceMachines et Usinage à Grande Vitesse 2014, Oct 2014, Clermont-Ferrand, France |
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Parameters set-up for collision avoidance and smooth motion in 5-axis end milling based on a potential field approach11th International Conference on High Speed Machining, Sep 2014, Prague, Czech Republic. paper n. 14041, 6 p |
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Conversion of G-code programs for milling into STEP-NCJoint Conference on Mechanical, Design Engineering & Advanced Manufacturing, Jun 2014, Toulouse, France |
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Performance Evaluation of CUDA programming for machining simulationInternational Conference on Graphics Engineering, Jun 2013, Madrid, Spain |
Tool path definitions and their interpolation for optimized 5-axis High-Speed MachiningInternational Workshop on Mathematics and Algorithms forComputer-Aided Manufacturing, Engineering and Numerical Control, Oct 2013, Beijing, China |
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Kinematical analysis of 5-axis corner smoothing for transitions between linear (G1) blocksMachines et Usinages à Grande Vitesse 2012, Oct 2012, Saint Etienne, France |
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Modélisation thermomécanique hybride en perçage pour la simulation du champ de temperature dans l'outil7èmes assises Machines et Usinage à Grande Vitesse MUGV 2012 - Intercut 2012, Oct 2012, Saint-Etienne, France. 10p |
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CAD-based Calibration of a 3D DIC SystemSEM XII International Congress & Exposition on Experimental and Applied Mechanics, Jun 2012, United States |
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Maximum Feedrate Interpolator for Multi-axis CNC Machining with Jerk Constraints9th International Conference on High Speed Machining, Mar 2012, San Sebastian, Spain |
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Experimental evaluation of errors during five axis High-Speed Machine tool motion23rd Canadian Congress of Applied Mechanics, Jun 2011, Vancouver, Canada. 4 p |
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Modélisation et évaluation du comportement dynamique d'une structure de machine outil UGV pour la prédiction des défauts géométriques20ème Congrès Français de Mécanique, Aug 2011, Besançon, France. CDROM paper n°714 |
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Correction of trajectory execution errors in hsm using a miror approachEight International Conference on High Speed Machining (HSM), Dec 2012, Metz, France. 6 p |
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Modélisation d'axe de machine outil pour la simulation du suivi de trajectoires en UGV11ème colloque National AIP PRIMECA La Plagne, Apr 2009, La Plagne, France. 13p |
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Characterization of 3D surface topography in 5 axis milling12 th International Conference on Metrology and Properties of Engineering Surfaces, Rzeszow 8-10 juillet 2009, Jul 2009, Rzeszow, Poland. 5p |
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Feed drive simulation for the prediction of the tool path follow up in High Speed Machinning20th CIRP International Conference on Supervising and Diagnostics of Machining Systems, High Performance Manufacturing, Mar 2009, Karpacz, Poland. 12p |
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NC-simulation for the prediction of surface finish in 5-axis High-Speed Machining3rd CIRP International Conference on High Performance Cutting, Dublin(Ireland),, Jun 2008, Dublin, Ireland. pp.387 - 396 |
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Model for performance prediction in multi-axis machiningCIRP 2nd International Conference High Performance Cutting, Jun 2006, Vancouver, Canada. 9p |
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Tool path generation and post-processor issues in five-axis high speed machining of hydro turbine bladesFifth International Conference on High Speed Machining, Mar 2006, Metz, France |
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Integration de contraintes cinématiques pour le calcul de l'orientation optimisée de l'axe de l'outil en usinage à 5 axes4èmes assises MUGV, Jun 2006, Aix en Provence, France. 11p |
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Identification de la géométrie de machines CN par mesure d'artefacts1er Congrès International Francophone de Mécanique Avancée, Faculté de Génie Mécanique, Université d’Alep, Syrie, May 2006, Alep, Syrie |
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Kinematical performances in 5-axis machiningIDMME, May 2006, Grenoble, France. 12p |
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Optimisation en fraisage 5 axes grande vitesse4th International conference on Integrated Design and Production, Nov 2005, Casablanca, Maroc |
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Performance of off-line polynomial CNC trajectories within the context of HSM2004 International Mechanical Engineering Congress and Exposition, Nov 2004, Anaheim, United States |
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Description formats of tool trajectory suited to High-Speed MachiningInternational Conference on High Speed Machining, Mar 2004, Nanjing, China |
Fabrication additive par modulation de puissance laserFrance, N° de brevet: WO2020157427. 2019, https://patentscope.wipo.int/search/fr/detail.jsf?docId=WO2020157427 |
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Trajectoire adaptative pour fabrication additive utilisant une source laserFrance, N° de brevet: WO2021058913. 2019, https://patentscope.wipo.int/search/fr/detail.jsf?docId=WO2021058913 |
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Fabrication additive par modulation de vitesse de balayageFrance, N° de brevet: WO2020157426. 2019, https://patentscope.wipo.int/search/fr/detail.jsf?docId=WO2020157426 |
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Prise en compte des contraintes associées au couple MO-CN en génération de trajectoires 5 axes UGVSciences de l'ingénieur [physics]. École normale supérieure de Cachan - ENS Cachan, 2006. Français. ⟨NNT : ⟩ |
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Contributions au développement du processus de fabrication : amélioration des performances en usinage multiaxesGénie mécanique [physics.class-ph]. ENS Paris-Saclay, France, 2018 |