julien colmars

Maître de Conférence, INSA Lyon
43
Documents
Affiliation actuelle
  • Institut National des Sciences Appliquées de Lyon (INSA Lyon)
Identifiants chercheurs
Contact

Présentation

Thèmes de recherche :

  • mise en forme des renforts fibreux (caractérisation expérimentales, modélisation numérique par éléments finis)
  • hygromécanique du matériau bois, conservation du patrimoine culturel

Publications

Publications

Variable-thickness FE shell for the simulation of stacks of woven reinforcements

Bruno R. Cotrim , Baptiste Lacroix , Philippe Vidal , Julien Colmars , Michele D'Ottavio et al.
Acta Mechanica, 2025, ⟨10.1007/s00707-025-04457-9⟩
Article dans une revue hal-05235221 v1
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Influence of in-plane bending behaviour on textile composite reinforcement forming

R. Bai , E. Guzman-Maldonado , Ruochen Zheng , J. Colmars
International Journal of Mechanical Sciences, 2024, 273, pp.109206. ⟨10.1016/j.ijmecsci.2024.109206⟩
Article dans une revue hal-04662361 v1
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Mesoscopic finite element modeling of biaxial non-crimp fabric including representative stitch pattern

Ruochen Zheng , Naïm Naouar , Julien Colmars , Auriane Platzer , Bastian Schaefer et al.
Composite Structures, 2024, 339, ⟨10.1016/j.compstruct.2024.118126⟩
Article dans une revue hal-04707620 v1
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Experimental analysis of the forming behavior of uni- and bidirectional non-crimp fabrics for different geometries

Bastian Schaefer , Ruochen Zheng , Julien Colmars , Auriane Platzer , Naïm Naouar et al.
Composites Part B: Engineering, 2024, 287, ⟨10.1016/j.compositesb.2024.111765⟩
Article dans une revue hal-04707724 v1
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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, 2023, 245, pp.108129. ⟨10.1016/j.ijmecsci.2023.108129⟩
Article dans une revue hal-04071564 v1
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A Hypoelastic Approach for Simulating the Independent Bending Behavior of Textile Composite within the Stress Resultant Shell

Bo Chen , P. Boisse , Julien Colmars , N Naouar
Key Engineering Materials, 2022, 926, pp.1223 - 1233. ⟨10.4028/p-a51g25⟩
Article dans une revue hal-03872150 v1
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Physics-based evaluation of the drapability of textile composite reinforcements

Renzi Bai , Bo Chen , Julien Colmars , Philippe Boisse
Composites Part B: Engineering, 2022, 242, ⟨10.1016/j.compositesb.2022.110089⟩
Article dans une revue hal-04045352 v1
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A hypoelastic stress resultant shell approach for simulations of textile composite reinforcement forming

Bo Chen , Julien Colmars , Naim Naouar , Philippe Boisse
Composites Part A: Applied Science and Manufacturing, 2021, 149, pp.106558. ⟨10.1016/j.compositesa.2021.106558⟩
Article dans une revue hal-03342291 v1
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Analysis of the Forming of Interlock Textile Composites Using a Hypoelastic Approach

Bo Chen , Philippe Boissé , Julien Colmars , Naïm Naouar , Renzi Bai et al.
Applied Composite Materials, 2021, ⟨10.1007/s10443-021-09966-z⟩
Article dans une revue hal-03429477 v1
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Modeling and analysis of in-plane bending in fibrous reinforcements with rotation-free shell finite elements.

Quentin Steer , Julien Colmars , Naim Naouar , Philippe Boisse
International Journal of Solids and Structures, 2021, 222-223, pp.111014. ⟨10.1016/j.ijsolstr.2021.03.001⟩
Article dans une revue hal-03345376 v1
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A specific 3D shell approach for textile composite reinforcements under large deformation

Renzi Bai , Julien Colmars , Naïm Naouar , Philippe Boisse
Composites Part A: Applied Science and Manufacturing, 2020, 139, ⟨10.1016/j.compositesa.2020.106135⟩
Article dans une revue hal-03019551 v1
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Bending and wrinkling of composite fiber preforms and prepregs. A review and new developments in the draping simulations

Philippe Boissé , Julien Colmars , Nahiene Hamila , Naïm Naouar , Quentin Steer
Composites Part B: Engineering, 2018, 141, pp.234-249. ⟨10.1016/j.compositesb.2017.12.061⟩
Article dans une revue hal-02173882 v1
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The Need to Use Generalized Continuum Mechanics to Model 3D Textile Composite Forming

Philippe Boissé , Renzi Bai , Julien Colmars , Nahiene Hamila , Biao Liang et al.
Applied Composite Materials, 2018, 25 (4, SI), pp.761-771. ⟨10.1007/s10443-018-9719-8⟩
Article dans une revue hal-04661409 v1
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One-dimensional discrete formulation of a hygrolock model for wood hygromechanics

Julien Colmars , Frédéric Dubois , Joseph Gril
Mechanics of Time-Dependent Materials, 2014, 18, pp.309 - 328. ⟨10.1007/s11043-013-9229-x⟩
Article dans une revue hal-01084665 v1
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A hygro-mechanical analysis of poplar wood along the tangential direction by restrained swelling test

Paola Mazzanti , Julien Colmars , Joseph Gril , David Hunt , Luca Uzielli
Wood Science and Technology, 2014, 48 (4), pp.673-687. ⟨10.1007/s00226-014-0633-4⟩
Article dans une revue hal-01295539 v1
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Mechanical characterization of wood: An integrative approach ranging from nanoscale to structure

Karin de Borst , Christian Jenkel , Cédric Montero , Julien Colmars , Joseph Gril et al.
Computers & Structures, 2013, 127, pp.53-67. ⟨10.1016/j.compstruc.2012.11.019⟩
Article dans une revue hal-00776996 v1
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Follow-up of a panel restoration procedure through image correlation and finite element modeling

David Dureisseix , Julien Colmars , Adrien Baldit , Fabrice Morestin , Hubert Maigre
International Journal of Solids and Structures, 2011, 48, pp.1024-1033. ⟨10.1016/j.ijsolstr.2010.12.010⟩
Article dans une revue hal-00560437 v1

Instrumentations pour le contrôle continu des panneaux peints en bois

Paolo Dionisi-Vici , Luca Uzielli , Julien Colmars
Technè, 2009, 29, pp.21-27
Article dans une revue hal-00565599 v1
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Draping of biaxial non-crimp fabric on hemispherical shape

Zheng Ruochen , Naïm Naouar , Bastian Schaefer , Auriane Platzer , Julien Colmars et al.
MATERIAL FORMING, ESAFORM 2024, Apr 2024, Toujouse, France. pp.623-630, ⟨10.21741/9781644903131-69⟩
Communication dans un congrès hal-04706309 v1
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A solid-beam approach for mesoscopic analysis of textile reinforcements forming simulation

Baptiste Lacroix , Julien Colmars , Auriane Platzer , N. Naouar , Emmanuelle Vidal-Sallé et al.
Material Forming - ESAFORM 2024, Apr 2024, Toulouse, France. pp.449-456, ⟨10.21741/9781644903131-50⟩
Communication dans un congrès hal-04654372 v1

Ecologiser les pratiques pédagogiques en école d'ingénieurs. Vers une écologisation radicale ?

Marianne Chouteau , Julien Colmars , Marie-Pierre Escudié , Eveline Manna , Norio Mihara et al.
"Ingénieries & Anthropocène ? Nouveaux enjeux, nouveaux parcours en SHS", Réseau Ingenium, Dec 2024, Paris, CNAM, France
Communication dans un congrès hal-05094232 v1
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A Shell Formulation for Textile Composite Forming Simulations

Renzi Bai , Philippe Boisse , Biao Liang , N Naouar , Julien Colmars
23rd International Conference on Material Forming (ESAFORM 2020), May 2020, Cottbus (virtual ), Germany. ⟨10.1016/j.promfg.2020.04.125⟩
Communication dans un congrès hal-03020216 v1
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Meso-macro FE Modelling of Composite Forming

Naïm Naouar , Julien Colmars , Philippe Boisse
23rd International Conference on Material Forming (ESAFORM 2020), May 2020, Cottbus (virtual ), Germany. ⟨10.1016/j.promfg.2020.04.137⟩
Communication dans un congrès hal-03020199 v1
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Musical acoustics as learning support for engineers: examples of student achievements at mechanical engineering department - INSA Lyon

Kerem Ege , Julien Colmars
Forum Acusticum, Dec 2020, Lyon, France. pp.1881-1885, ⟨10.48465/fa.2020.0958⟩
Communication dans un congrès hal-03234062 v1
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Nouveau Procédé pour la Fabrication Haute Cadence de Pièces Composites base Thermoplastiques (Projet INCREASE)

Alexandre Giroud , Pierre Jacquet , V. Charreton , J. Maupetit , Gilles Orange et al.
21ème Journées Nationales sur les Composites, École Nationale Supérieure d'Arts et Métiers (ENSAM) - Bordeaux, Jul 2019, Bordeaux, Talence, France
Communication dans un congrès hal-02423017 v1

Irreversibility during Forming Process of Woven Reinforcements

Tarek Abdul Ghafour , Julien Colmars , Philippe Boisse
PROCEEDINGS OF 21ST INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING (ESAFORM 2018), Apr 2018, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA, Unknown Region. ⟨10.1063/1.5034809⟩
Communication dans un congrès hal-04670482 v1
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Modélisation du comportement dissipatif d'un renfort de composite à fibres continues

Yvan Denis , Nahiene Hamila , Julien Colmars , Fabrice Morestin , Philippe Boisse
CFM 2017 - 23ème Congrès Français de Mécanique, Aug 2017, Lille, France
Communication dans un congrès hal-03465737 v1
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Irréversibilités lors de la mise en forme des renforts fibreux

Tarek Abdul Ghafour , Julien Colmars , Philippe Boisse
Journées Nationales sur les Composites 2017, École des Ponts ParisTech (ENPC), Jun 2017, 77455 Champs-sur-Marne, France
Communication dans un congrès hal-01623669 v1

New uses and improvements of the Deformometric Kit to support study and conservation of panel paintings

Delphine Jullien , Paola Mazzanti , Linda Cocchi , Julien Colmars , Joseph Gril et al.
IUFRO, All Division 5 Conference, Jul 2012, Estoril, Portugal
Communication dans un congrès hal-00805117 v1
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Experimental studies on the wooden support of the "Mona Lisa

Luca Uzielli , Joseph Gril , Linda Cocchi , Julien Colmars , Paolo Dionisi Vici et al.
The Safeguard of Cultural Heritage. A Challenge From the Past for the Europe of Tomorrow. COST strategic workshop, Jul 2011, Florence, Italy. 367 p., ⟨10.13140/2.1.1021.1525⟩
Communication dans un congrès hal-00945958 v1

Monitoring and modeling deformation of the "Mona Lisa

Luca Uzielli , Joseph Gril , Linda Cocchi , Julien Colmars , Paolo Dionisi Vici et al.
5th International Congress on Science and Technology for the Safeguard of Cultural Heritage in the Mediterranean Basin, Nov 2011, Istanbul, Turkey
Communication dans un congrès hal-00945943 v1

A 1Dx2D model to simulate the hygromechanical response of panel paintings

Julien Colmars , David Dureisseix , Joseph Gril
4th International Conference of COST Action IE0601: Interaction between Wood Science and Conservation of Cultural Heritage, Oct 2010, Izmir, Turkey
Communication dans un congrès hal-00544136 v1

Analysing the hygromechanical behaviour of painted panels using various models

Joseph Gril , Julien Colmars
4th International Conference of COST Action IE0601 "Interaction between Wood Science and Conservation of Cultural Heritage", Oct 2010, Izmir, Turkey
Communication dans un congrès hal-00796394 v1
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Creep properties of heat treated wood in radial direction

Julien Colmars , Takato Nakano , Huroyuki Yano , Joseph Gril
Joint meeting of COST Action IE0601 WoodCultHer Wood Science for Conservation of Cultural Heritage, and the European Society of Wood Mechanics, Nov 2008, Portugal. pp.24-29
Communication dans un congrès hal-00790170 v1

Time-dependent mechanical behaviour of wood and implication for painted panels

Joseph Gril , Julien Colmars , Paola Mazzanti
Joint meeting of cost actions IE0601 'Wood Science for Cultural Heritage' and FP0802 'Experimental and Computational Micro-Characterisation Techniques in Wood Mechanics', Apr 2010, Poland
Communication dans un congrès hal-00796436 v1

Hygromechanical response of a panel painting in a church: in-situ monitoring and computer modeling

Julien Colmars , Joseph Gril , Luca Uzielli
Joint meeting of cost actions IE0601 'Wood Science for Cultural Heritage' and FP0802 'Experimental and Computational Micro-Characterisation Techniques in Wood Mechanics', Apr 2010, Poland
Communication dans un congrès hal-00796479 v1
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Hygromechanical response of a panel painting in a church, monitoring and computer modeling

Julien Colmars , Bertrand Marcon , Emmanuel Maurin , Romain Remond , Fabrice Morestin et al.
International conference on wooden cultural heritage, Evaluation of deterioration and management of change, Oct 2009, Hamburg, Germany. 9p
Communication dans un congrès hal-00795990 v1
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Patrimoine bois & mécanique des structures : deux cas d'étude en restauration de mobilier bois

Raphaëlle Simmonds , Élise Bachelet , Thibault Roure , Lisa Ghilardi , Sandie Le Conte et al.
11e Journées Scientifiques du Groupement De Recherches (GDR) des Sciences du Bois, Nov 2022, NICE, France.
Poster de conférence hal-04035067 v1

Éléments finis pour la modélisation hygromécanique des panneaux de bois

Julien Colmars , David Dureisseix , Rémi Montaigne , Maxime Chemier
9ème journées du GDR 3544 Sciences du bois, Nov 2020, Grenoble, France.
Poster de conférence hal-03131727 v1

Hygromechanical study of painted panels

Bertrand Marcon , David Dureisseix , Delphine Jullien , Luca Uzielli , Joseph Gril et al.
meeting COST Action IE0601 WoodCultHer Wood Science for Conservation of Cultural Heritage, 2007, Tervuren, Belgium. 2007
Poster de conférence hal-00325958 v1
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Hygromécanique du matériau bois appliquée à la conservation du patrimoine culturel

Julien Colmars
Mécanique des structures [physics.class-ph]. Université Montpellier II - Sciences et Techniques du Languedoc, 2011. Français. ⟨NNT : ⟩
Thèse tel-00765961 v1