Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux (LEM3): Recent submissions
Now showing items 1-7 of 489
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Article dans une revue avec comité de lecture
SATOURI, Soheil; CHATZIGEORGIOU, George; MERAGHNI, Fodil; (Elsevier BV, 2025-03)
This paper proposes a model for predicting the complex inelastic mechanical response of polyamide 66. Polyamide 66 is a semi-crystalline pressure-sensitive polymer that exhibits asymmetric yielding behavior, in which the ... -
Article dans une revue avec comité de lecture;CHATZIGEORGIOU, George; MERAGHNI, Fodil; ; (Elsevier BV, 2025-01)
This contribution presents a new physics-informed deep homogenization neural network model for identifying local displacement and stress fields, as well as homogenized moduli, of nanocomposites with periodic arrays of ...
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Article dans une revue avec comité de lecturePELTIER, Laurent; ; MERAGHNI, Fodil; ; LAHEURTE, Pascal; BERVEILLER, Sophie (Springer Science and Business Media LLC, 2022-08)
In this work, a new class of iron-based high entropy shape memory alloys (HE-SMAs) have been designed, characterized, and optimized. These FeCu-NiMnV alloys (FeMn-like) with damping properties at low and high temperatures ...
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Article dans une revue avec comité de lecture; ; ; ;CHATZIGEORGIOU, George; MERAGHNI, Fodil; ; (Elsevier BV, 2024-11)
We present a novel elasticity-inspired data-driven Fourier homogenization network (FHN) theory for periodic heterogeneous microstructures with square or hexagonal arrays of cylindrical fibers. Towards this end, two ...
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Article dans une revue avec comité de lecture(Elsevier, 2024-12)An extensive study of size effects on the small-scale behavior of crystalline materials is carried out through discrete dislocation dynamics (DDD) simulations, intended to enrich strain gradient crystal plasticity (SGCP) ...
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Article dans une revue avec comité de lecture; ;CHATZIGEORGIOU, George; MERAGHNI, Fodil; ; (Elsevier BV, 2024-08)
An isogeometric homogenization (IGH) technique is constructed for the homogenization and localization of unidirectional composites with radially or circumferentially orthotropic carbon/graphite fibers. The proposed theory ...
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Chapitre d'ouvrage scientifique;BEN BETTAIEB, Mohamed; ; ABED-MERAIM, Farid (Springer Nature Switzerland, 2024-08)
This work deals with a numerical investigation of the onset of inelastic instability in cruciform columns using the limit-point method. In this aim, a nonlinear buckling analysis was developed to determine the limit-point ...
