Chargé de Recherche CNRS

Naïm Naouar

Chargé de Recherche CNRS

LaMCoS, UMR 5259 CNRS / INSA Lyon

Mes travaux portent sur la simulation multi-échelle et la modélisation par éléments finis de la mise en forme des composites textiles, avec une forte expertise en microtomographie à rayons X. Mes recherches couvrent également les écocomposites, la fatigue gigacyclique des aciers aéronautiques et la biomécanique.

HAL ORCID Google Scholar

Thématiques

Axes de recherche

Axe principal

Simulation multi-échelle de la mise en forme des composites textiles

Modélisation éléments finis du drapage et de la mise en forme des renforts tissés, NCF et interlocks, aux échelles méso et macroscopique. Forte expertise en microtomographie à rayons X pour la caractérisation 3D des architectures fibreuses et la génération de maillages réalistes.

Simulation et expérience de mise en forme NCF

Écocomposites et transferts thermiques

Composites biosourcés à base de fibres végétales, mousses époxy-lin, et modélisation de la conductivité thermique effective de milieux fibreux isolants par tomographie X et méthodes analytiques.

Composites biosourcés lin — tomographie X

Fatigue gigacyclique des aciers aéronautiques

Amorçage et propagation de fissures courtes en fatigue gigacyclique (VHCF) dans les aciers de roulements aéronautiques, dispositifs ultrasonores et partenariats industriels (Safran, SKF Aerospace).

Dispositif VHCF et simulation éléments finis

Biomécanique et modélisation chirurgicale

Modélisation EF de l'interaction aiguille–tissu, simulation du comportement des tissus biologiques (prémolaires, tissus pulmonaires) et modélisation de la croissance de nodules silicotiques.

Production scientifique

Publications

Retrouvez la liste complète de mes publications sur mon profil Google Scholar et mon profil HAL.

  • Meso-scale FE analyses of textile composite reinforcement deformation based on X-ray computed tomography
    N. Naouar, E. Vidal-Sallé, J. Schneider, E. Maire, P. Boisse
    Composite Structures, vol. 116, pp. 165-176, 2014 DOI · HAL
    Citation
    N. Naouar et al. (2014). “Meso-scale FE analyses of textile composite reinforcement deformation based on X-ray computed tomography.” Composite Structures, vol. 116, pp. 165-176.
  • 3D composite reinforcement meso F.E. analyses based on X-ray computed tomography
    N. Naouar, E. Vidal-Sallé, J. Schneider, E. Maire, P. Boisse
    Composite Structures, vol. 132, pp. 1094-1104, 2015 DOI · HAL
    Citation
    N. Naouar et al. (2015). “3D composite reinforcement meso F.E. analyses based on X-ray computed tomography.” Composite Structures, vol. 132, pp. 1094-1104.
  • Simulation EF à l'échelle mésoscopique de la déformation de renforts composite à partir de microtomographie à rayon X
    N. Naouar, E. Vidal-Sallé, É. Maire, J. Schneider, P. Boisse
    Matériaux et Techniques, vol. 104 (4), pp. 409, 2016 DOI · HAL
    Citation
    N. Naouar et al. (2016). “Simulation EF à l'échelle mésoscopique de la déformation de renforts composite à partir de microtomographie à rayon X.” Matériaux et Techniques, vol. 104 (4), pp. 409.
  • Meso FE simulation of composite reinforcement deformation based on X-ray computed tomography
    N. Naouar, E. Vidal-Sallé, P. Boisse
    Matériaux et Techniques, vol. 104 (4), 2016 DOI · HAL
    Citation
    N. Naouar et al. (2016). “Meso FE simulation of composite reinforcement deformation based on X-ray computed tomography.” Matériaux et Techniques, vol. 104 (4).
  • Simulation of thermoplastic prepreg thermoforming based on a visco-hyperelastic model and a thermal homogenization
    E. Guzman Maldonado, N. Hamila, N. Naouar, G. Moulin, P. Boisse
    Materials & Design, vol. 93, pp. 431-442, 2016 DOI · HAL
    Citation
    E. Guzman Maldonado et al. (2016). “Simulation of thermoplastic prepreg thermoforming based on a visco-hyperelastic model and a thermal homogenization.” Materials & Design, vol. 93, pp. 431-442.
  • Bending and wrinkling of composite fiber preforms and prepregs. A review and new developments in the draping simulations
    P. Boisse, J. Colmars, N. Hamila, N. Naouar, Q. Steer
    Composites Part B: Engineering, vol. 141, pp. 234-249, 2018 DOI · HAL
    Citation
    P. Boisse et al. (2018). “Bending and wrinkling of composite fiber preforms and prepregs. A review and new developments in the draping simulations.” Composites Part B: Engineering, vol. 141, pp. 234-249.
  • Longitudinal compression and Poisson ratio of fiber yarns in meso-scale finite element modeling of composite reinforcements
    D. Wang, N. Naouar, E. Vidal-Sallé, P. Boisse
    Composites Part B: Engineering, vol. 141, pp. 9-19, 2018 DOI · HAL
    Citation
    D. Wang et al. (2018). “Longitudinal compression and Poisson ratio of fiber yarns in meso-scale finite element modeling of composite reinforcements.” Composites Part B: Engineering, vol. 141, pp. 9-19.
  • Textile composite structural analysis taking into account the forming process
    A. Aridhi, M. Arfaoui, T. Mabrouki, N. Naouar, Y. Denis, M. Zarroug, P. Boisse
    Composites Part B: Engineering, vol. 166, pp. 773-784, 2019 DOI · HAL
    Citation
    A. Aridhi et al. (2019). “Textile composite structural analysis taking into account the forming process.” Composites Part B: Engineering, vol. 166, pp. 773-784.
  • Numerical modelling of the mechanical behaviour of tetraxial technical textiles
    M. Ghazimoradi, N. Naouar, V. Carvelli, P. Boisse
    Journal of Materials Science, vol. 54 (4), pp. 3632-3647, 2019 DOI · HAL
    Citation
    M. Ghazimoradi et al. (2019). “Numerical modelling of the mechanical behaviour of tetraxial technical textiles.” Journal of Materials Science, vol. 54 (4), pp. 3632-3647.
  • Thermal Properties of New Insulating Juncus Maritimus Fibrous Mortar Composites/Experimental Results and Analytical Laws
    Z. Saghrouni, D. Baillis, N. Naouar, N. Blal, A. Jemni
    Applied Sciences, vol. 9 (5), pp. 981, 2019 DOI · HAL
    Citation
    Z. Saghrouni et al. (2019). “Thermal Properties of New Insulating Juncus Maritimus Fibrous Mortar Composites/Experimental Results and Analytical Laws.” Applied Sciences, vol. 9 (5), pp. 981.
  • Coupled meso-macro simulation of woven fabric local deformation during draping
    A. Iwata, T. Inoue, N. Naouar, P. Boisse, S. Lomov
    Composites Part A, vol. 118, pp. 267-280, 2019 DOI · HAL
    Citation
    A. Iwata et al. (2019). “Coupled meso-macro simulation of woven fabric local deformation during draping.” Composites Part A, vol. 118, pp. 267-280.
  • Experimental measurements and numerical modelling of the mechanical behaviour of a glass plain weave composite reinforcement
    M. Ghazimoradi, V. Carvelli, N. Naouar, P. Boisse
    Journal of Reinforced Plastics and Composites, vol. 39 (1-2), pp. 45-59, 2020 DOI · HAL
    Citation
    M. Ghazimoradi et al. (2020). “Experimental measurements and numerical modelling of the mechanical behaviour of a glass plain weave composite reinforcement.” Journal of Reinforced Plastics and Composites, vol. 39 (1-2), pp. 45-59.
  • Validated Finite Element Models of Premolars: A Scoping Review
    R. Richert, J.-C. Farges, F. Tamimi, N. Naouar, P. Boisse, M. Ducret
    Materials, vol. 13 (15), 2020 DOI · HAL
    Citation
    R. Richert et al. (2020). “Validated Finite Element Models of Premolars: A Scoping Review.” Materials, vol. 13 (15).
  • Meso-FE modelling of textile composites and X-ray tomography
    N. Naouar, D. Vasiukov, C.H. Park, S.V. Lomov, P. Boisse
    Journal of Materials Science, vol. 55, pp. 16969-16989, 2020 DOI · HAL
    Citation
    N. Naouar et al. (2020). “Meso-FE modelling of textile composites and X-ray tomography.” Journal of Materials Science, vol. 55, pp. 16969-16989.
  • Identification and validation of a hyperelastic model for self-reinforced polypropylene draping
    M. Selezneva, N. Naouar, Y. Denis, L. Gorbatikh, P. Hine, S.V. Lomov, Y. Swolfs, I. Verpoest, P. Boisse
    International Journal of Material Forming, 2020 DOI · HAL
    Citation
    M. Selezneva et al. (2020). “Identification and validation of a hyperelastic model for self-reinforced polypropylene draping.” International Journal of Material Forming.
  • Influence of boundary conditions on computation of the effective thermal conductivity of foams
    Z.K. Low, N. Blal, N. Naouar, D. Baillis
    International Journal of Heat and Mass Transfer, 2020 DOI · HAL
    Citation
    Z.K. Low et al. (2020). “Influence of boundary conditions on computation of the effective thermal conductivity of foams.” International Journal of Heat and Mass Transfer.
  • Textile Composite Damage Analysis Taking into Account the Forming Process
    M. Jauffret, A. Cocchi, N. Naouar, C. Hochard, P. Boisse
    Materials, vol. 13 (23), pp. 5337, 2020 DOI · HAL
    Citation
    M. Jauffret et al. (2020). “Textile Composite Damage Analysis Taking into Account the Forming Process.” Materials, vol. 13 (23), pp. 5337.
  • A specific 3D shell approach for textile composite reinforcements under large deformation
    R. Bai, J. Colmars, N. Naouar, P. Boisse
    Composites Part A, vol. 139, 2020 DOI · HAL
    Citation
    R. Bai et al. (2020). “A specific 3D shell approach for textile composite reinforcements under large deformation.” Composites Part A, vol. 139.
  • A hypoelastic stress resultant shell approach for simulations of textile composite reinforcement forming
    B. Chen, J. Colmars, N. Naouar, P. Boisse
    Composites Part A, vol. 149, pp. 106558, 2021 DOI · HAL
    Citation
    B. Chen et al. (2021). “A hypoelastic stress resultant shell approach for simulations of textile composite reinforcement forming.” Composites Part A, vol. 149, pp. 106558.
  • Modeling and analysis of in-plane bending in fibrous reinforcements with rotation-free shell finite elements
    Q. Steer, J. Colmars, N. Naouar, P. Boisse
    International Journal of Solids and Structures, vol. 222-223, pp. 111014, 2021 DOI · HAL
    Citation
    Q. Steer et al. (2021). “Modeling and analysis of in-plane bending in fibrous reinforcements with rotation-free shell finite elements.” International Journal of Solids and Structures, vol. 222-223, pp. 111014.
  • Analysis of the Forming of Interlock Textile Composites Using a Hypoelastic Approach
    B. Chen, P. Boisse, J. Colmars, N. Naouar, R. Bai, P. Chaudet
    Applied Composite Materials, 2021 DOI · HAL
    Citation
    B. Chen et al. (2021). “Analysis of the Forming of Interlock Textile Composites Using a Hypoelastic Approach.” Applied Composite Materials.
  • The fibrous shell approach for the simulation of composite draping with a relevant orientation of the normals
    R. Bai, J. Colmars, B. Chen, N. Naouar, P. Boisse
    Composite Structures, vol. 285, 2022 DOI · HAL
    Citation
    R. Bai et al. (2022). “The fibrous shell approach for the simulation of composite draping with a relevant orientation of the normals.” Composite Structures, vol. 285.
  • A Hypoelastic Approach for Simulating the Independent Bending Behavior of Textile Composite within the Stress Resultant Shell
    B. Chen, P. Boisse, J. Colmars, N. Naouar
    Key Engineering Materials, vol. 926, pp. 1223-1233, 2022 DOI · HAL
    Citation
    B. Chen et al. (2022). “A Hypoelastic Approach for Simulating the Independent Bending Behavior of Textile Composite within the Stress Resultant Shell.” Key Engineering Materials, vol. 926, pp. 1223-1233.
  • Kinematic modeling of transverse shear in textile composite reinforcements forming
    B. Chen, J. Colmars, R. Bai, N. Naouar, P. Boisse
    International Journal of Mechanical Sciences, vol. 245, pp. 108129, 2023 DOI · HAL
    Citation
    B. Chen et al. (2023). “Kinematic modeling of transverse shear in textile composite reinforcements forming.” International Journal of Mechanical Sciences, vol. 245, pp. 108129.
  • Thermal Conductivity and Microstructure of Novel Flaxseed-Gum-Filled Epoxy Resin Biocomposite: Analytical Models and X-ray Computed Tomography
    M. Zaidi, D. Baillis, N. Naouar, F. Delattre, M. Depriester
    Materials, vol. 16 (18), pp. 6318, 2023 DOI · HAL
    Citation
    M. Zaidi et al. (2023). “Thermal Conductivity and Microstructure of Novel Flaxseed-Gum-Filled Epoxy Resin Biocomposite: Analytical Models and X-ray Computed Tomography.” Materials, vol. 16 (18), pp. 6318.
  • Membrane behavior of uni- and bidirectional non-crimp fabrics in off-axis-tension tests
    B. Schäfer, R. Zheng, N. Naouar, L. Kärger
    International Journal of Material Forming, 2023 DOI · HAL
    Citation
    B. Schäfer et al. (2023). “Membrane behavior of uni- and bidirectional non-crimp fabrics in off-axis-tension tests.” International Journal of Material Forming.
  • Advancing the understanding of short fatigue crack propagation: Leveraging ultrasonic testing device to approach rolling contact fatigue
    A. Didier, N. Naouar, G. Deterre, P. Chaudet, D. Nélias
    Materialia, vol. 38, pp. 102288, 2024 DOI · HAL
    Citation
    A. Didier et al. (2024). “Advancing the understanding of short fatigue crack propagation: Leveraging ultrasonic testing device to approach rolling contact fatigue.” Materialia, vol. 38, pp. 102288.
  • Computational Model of Effective Thermal Conductivity of Green Insulating Fibrous Media
    H. Sankara, D. Baillis, O. Coulibaly, R. Coquard, N. Naouar, Z. Saghrouni
    Materials, vol. 17 (1), pp. 252, 2024 DOI · HAL
    Citation
    H. Sankara et al. (2024). “Computational Model of Effective Thermal Conductivity of Green Insulating Fibrous Media.” Materials, vol. 17 (1), pp. 252.
  • Development of Foam Composites from Flax Gum-Filled Epoxy Resin
    C. Musa, M. Zaidi, M. Depriester, Y. Allouche, N. Naouar, A. Bourmaud, D. Baillis, F. Delattre
    Journal of Composites Science, vol. 8 (7), pp. 244, 2024 DOI · HAL
    Citation
    C. Musa et al. (2024). “Development of Foam Composites from Flax Gum-Filled Epoxy Resin.” Journal of Composites Science, vol. 8 (7), pp. 244.
  • Mesoscopic finite element modeling of biaxial non-crimp fabric including representative stitch pattern
    R. Zheng, N. Naouar, J. Colmars, A. Platzer, B. Schaefer, F. Morestin, L. Kaerger, P. Boisse
    Composite Structures, vol. 339, 2024 DOI · HAL
    Citation
    R. Zheng et al. (2024). “Mesoscopic finite element modeling of biaxial non-crimp fabric including representative stitch pattern.” Composite Structures, vol. 339.
  • A hyperelastic approach for modeling the membrane behavior in finite element forming simulation of unidirectional non-crimp fabrics (UD-NCF)
    B. Schaefer, D. Doerr, R. Zheng, N. Naouar, L. Kaerger
    Composites Part A, vol. 185, 2024 DOI · HAL
    Citation
    B. Schaefer et al. (2024). “A hyperelastic approach for modeling the membrane behavior in finite element forming simulation of unidirectional non-crimp fabrics (UD-NCF).” Composites Part A, vol. 185.
  • Experimental analysis of the forming behavior of uni- and bidirectional non-crimp fabrics for different geometries
    B. Schaefer, R. Zheng, J. Colmars, A. Platzer, N. Naouar, P. Boisse, L. Kaerger
    Composites Part B: Engineering, vol. 287, 2024 DOI · HAL
    Citation
    B. Schaefer et al. (2024). “Experimental analysis of the forming behavior of uni- and bidirectional non-crimp fabrics for different geometries.” Composites Part B: Engineering, vol. 287.
  • Mechanics of Woven Fabrics
    Comprehensive Mechanics of Materials, Vol. 4, Elsevier
    2024
  • Mesoscopic approaches for composite reinforcement mechanical behavior
    Composite Reinforcements for Optimum Performance (2nd ed.), Elsevier
    2021
  • Finite element analysis of composite forming at macroscopic and mesoscopic scale
    Advances in Composites Manufacturing and Process Design, Elsevier
    2015
  • Draping of biaxial non-crimp fabric on hemispherical shape
    ESAFORM 2024
  • A solid-beam approach for mesoscopic analysis of textile reinforcements forming simulation
    ESAFORM 2024
  • Mise en œuvre d'un dispositif expérimental d'amorçage de fissure en domaine giga-cyclique
    CFM 2022
  • A Shell Formulation for Textile Composite Forming Simulations
    ESAFORM 2020
  • Meso-macro FE Modelling of Composite Forming
    ESAFORM 2020
  • Meso FE Simulation of Composite Reinforcement Deformation based on X-ray Computed Tomography
    ESAFORM 2017
  • Analysis of Composite Reinforcement at Mesoscopic Scale from X-Ray Microtomography
    Key Engineering Materials, 2014
  • Dispositif de fatigue ultrasonore avec précharge en compression
    Inventeurs : A. Didier, D. Nélias, N. Naouar
    Brevet français FR2500874 — Déposé le 28/01/2025 — Safran Aircraft Engines
Voir toutes les publications sur HAL →

Pédagogie

Enseignement

Activités d'enseignement principalement à l'INSA Lyon, dans le département de Génie Mécanique, au niveau master et cycle ingénieur.

Mécanique des Matériaux et des Structures

3e année ingénieur
Génie Mécanique, INSA Lyon

Cours magistral et travaux dirigés sur le comportement mécanique des matériaux et des structures : élasticité, critères de rupture, flambage, mécanique des milieux continus.

Matériaux Composites

4e année ingénieur
Génie Mécanique, INSA Lyon

Enseignement sur les matériaux composites à fibres : procédés de fabrication, comportement mécanique, théorie classique des stratifiés, critères de rupture.

Méthode des Éléments Finis

4e-5e année ingénieur
Génie Mécanique, INSA Lyon

Cours et travaux pratiques sur la méthode des éléments finis : formulation variationnelle, éléments isoparamétriques, résolution de problèmes de mécanique des solides. TP sur Abaqus.

Simulation Numérique

Master 2 / M.Sc.
Génie Mécanique, INSA Lyon

Simulation numérique avancée appliquée aux procédés de mise en forme des composites. Modélisation multi-échelle et techniques de simulation.

Parcours

Curriculum Vitae

Formation

  • 2012–2015
    Doctorat en Mécanique (CIFRE LaMCoS–Snecma), Université de Lyon / INSA Lyon
    Dir. : P. Boisse. « Analyse mésoscopique par éléments finis de la déformation de renforts fibreux 2D et 3D à partir de microtomographies X »
  • 2011
    Master 2 Recherche MEGA, Lyon
  • Mai 2011
    Ingénieur INSA Lyon, Génie Mécanique Conception (GMC)

Parcours professionnel

  • Nov. 2017 – présent
    Chargé de recherche CNRS (CRCN), LaMCoS UMR 5259, INSA Lyon
  • 2015
    Post-doctorant, ENS Cachan — Projet UNIT

Management et animation de la recherche

Responsabilités institutionnelles

  • Membre actif du conseil et de la commission informatique du laboratoire LaMCoS
  • Membre engagé à l'AFM, l'AMAC, CSMA
  • Évaluateur projets ANR
  • Missions d'expertise ONERA — DGRI-DGA-DGAC
  • Membre des comités scientifiques GdR CNRS FIBMAT et MIC

Rayonnement international

  • Présence dans des instances clés : ESAFORM et ECCOMAS
  • Évaluateur projets DFG

Activités éditoriales

  • Review Editor — Polymeric and Composite Materials
  • Reviewer : Composites Part A, Composites Part B, Composites Science and Technology, Composite Structures, International Journal of Material Forming, Applied Sciences

Encadrement

  • 6 thèses soutenues
  • 3 thèses en cours
  • 4 post-doctorants
  • +25 projets Master / PRI encadrés

Coordonnées

Contact

Téléphone
+33 (0)4 72 43 73 39
Adresse
Bât. Sophie Germain, bureau 2.16
27 bis avenue Jean Capelle
69621 Villeurbanne Cedex, France
Profil HAL ORCID Google Scholar