Implanté sur deux sites, le campus d’Angers et le pôle de réalité virtuelle de Laval, le LAMPA intervient dans les domaines de l’innovation, des procédés avancés de fabrication et de durabilité des matériaux et des structures. Le numérique et le virtuel sont au cœur des travaux de recherche, par exemple la simulation numérique du procédé pour la compréhension des phénomènes thermiques et mécaniques en jeu.
http://lampa.ensam.eu/

Recent Submissions

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  A thermodynamically consistent formulation of the Johnson–Cook model 

  Article dans une revue avec comité de lecture

  MAREAU, Charles (Elsevier BV, 2020-02-07)

  The model of Johnson and Cook, which includes a viscoplastic flow rule and a damage criterion, is widely used to describe the mechanical behaviour of metallic materials subjected to severe loading conditions, such as those ...
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  A non-local damage model for the fatigue behaviour of metallic polycrystals 

  Article dans une revue avec comité de lecture

  MAREAU, Charles (Informa UK Limited, 2020-01-16)

  The development of fatigue damage in metallic materials is a complex process influenced by both intrinsic (e.g. texture, defects) and extrinsic (e.g. loading mode, frequency) factors. To better understand this process, ...
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  Constitutive equations for thermo-elasto-plastic metallic materials undergoing large temperature variations 

  Article dans une revue avec comité de lecture

  MAREAU, Charles (Elsevier BV, 2023-03-25)

  In the present work, a framework for the development of constitutive models for metallic materials in a thermomechanical context is proposed. Such a framework provides some guidelines to deal with processes involving large ...
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  Experimental characterization and numerical modeling of the influence of a proof load on the fatigue resistance of welded structures 

  Article dans une revue avec comité de lecture

  HEYRAUD, Hugo; MAREAU, Charles; LEFEBVRE, Fabien; AMUZUGA, Philippe; HAUTEVILLE, Robin; MOREL, Franck; JUBIN, Laurent; BELLETT, Daniel; LEBLANC, Théo (Elsevier BV, 2023-03-11)

  The influence of a proof load, or an initial overload, on the fatigue resistance of welded structures is investigated in this study. Arc welded stiffeners made of S355 steel are considered and fatigue-tested in as-welded ...
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  The dependence of X-ray elastic constants with respect to the penetration depth 

  Article dans une revue avec comité de lecture

  MAREAU, Charles (International Union of Crystallography (IUCr), 2023-09-01)

  X-ray diffraction techniques are widely used to estimate stresses within polycrystalline materials. The application of these techniques requires the knowledge of the X-ray elastic constants relating the lattice strains to ...
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  Quantitative and Qualitative Exploration of the Effect of a Wearable Item on Non-Organic Virtual Limb Embodiment and User Behavior in Immersive Environments 

  Article dans une revue avec comité de lecture

  GORISSE, Geoffrey; BROUSSE, Audrey; RICHIR, Simon; CHRISTMANN, Olivier (MIT Press, 2021-12-01)

  This experiment was designed to investigate the potential contribution to the sense of embodiment of a wristband worn by the participants in both real and virtual environments. In addition, two virtual limb models were ...
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  I am a Genius! Influence of Virtually Embodying Leonardo da Vinci on Creative Performance 

  Article dans une revue avec comité de lecture

  GORISSE, Geoffrey; WELLENREITER, Simon; FLEURY, Sylvain; L´ECUYER, Anatole; RICHIR, Simon; CHRISTMANN, Olivier (Institute of Electrical and Electronics Engineers, 2023-10-02)

  Virtual reality (VR) provides users with the ability to substitute their physical appearance by embodying virtual characters (avatars) using head-mounted displays and motion-capture technologies. Previous research demonstrated ...

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