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Liste des publications du LURPA

Affichage des publications 1 à 10 sur 860 au total

Mechanical engineering

Modeling wire fusion to optimize bead production in DED-LHW additive manufacturing

Mastering material deposition in DED-LHW additive manufacturing and determining process parameters relies mainly on costly experimental campaigns. Numerous tests are required to identify the parameters (laser power, intensity, wire speed, and feed…

Clément Roch, Barkin Aydin, Sylvain Lavernhe, Christophe Tournier

14th CIRP Conference on Photonic Technologies -

Engineering Sciences

Identifying and characterising uncertainty in digital twin engineering

Digital twin technologies are increasingly deployed in complex industrial systemswhere uncertainty management is critical to ensure their reliability, robustness, andresilience. However, there is currently limited literature on the management of…

Bouthayna El Bouzaidi Tiali, Stephen Creff, Achraf Kallel, Nabil Anwer

Digital Twin -

Engineering Sciences

Modeling the 5D Digital Twin Model through Ontological Formalization

This study formalizes the fundamental concepts and interactions of the entities composing the five-dimensional (5D) Digital Twin (DT) conceptual model, which serves as the foundation of our research, through rigorous ontological structuring. This…

Bouthayna El Bouzaidi Tiali, Stephen Creff, Achraf Kallel, Nabil Anwer

The 6th international digital twin conference -

Thermics

Continuous microstructure variations with graded properties in directed energy deposition

Directed energy deposition additive manufacturing is a versatile technique for fabricating complex geometries, where precise control of process parameters is crucial for tailoring microstructure and part properties. Microstructure control strategies…

Michèle Bréhier, Daniel Weisz-Patrault, Christophe Tournier

Additive Manufacturing Letters -

Thermics

Rapid estimation of microstructure using infrared imaging and solidification modeling in wire-laser directed energy deposition

The widespread deployment of Directed Energy Deposition Additive Manufacturing is limited by the lack of control over the produced material depending on process parameters: in particular, the microstructure resulting from rapid solidification. While…

Quentin Dollé, Michèle Bréhier, Emmanuel Berté, Jean-Francois Witz, Christophe Tournier, Ahmed El Bartali, Daniel Weisz-Patrault

Mechanical engineering

Determination of acceptable weld bead geometries for wire arc additive manufacturing

The Wire Arc Additive Manufacturing (WAAM) technology is extensively utilized in various industrial applications, particularly for the repair and remanufacturing of damaged components. However, two prevalent challenges in these applications are the…

Diego Verbist, Frédéric Vignat, Matthieu Museau, Sylvain Lavernhe

International Journal of Advanced Manufacturing Technology -