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Poster de conférence

Modèle à champ de phase pour la prédiction de la rupture des matériaux ductiles soumis à de grandes vitesses de déformation : développement numérique et validation expérimentale

Yassine Harsi, Franck Lauro, Zouari Bassem, Chaari Fahmi, Hubert Cédric

The study of crack initiation and propagation in ductile materials is crucial across various fields such as materials engineering, manufacturing, and structural design. Numerically predicting crack propagation with accuracy is paramount for evaluating the durability and reliability of components…

Mardi des Chercheurs, Mar 2024, Mons, Belgique. ⟨hal-04588481⟩

Poster de conférence

Size of use of knowledge of tactical actions in elite youth footballers: U-13, U-15 and U-18

Dimitri Acoumambo, Bachir Zoudji

The performance of a football team is strongly influenced by the breadth of tactical action knowledge (e.g., Praça, Pérez morales, Bredt & al., 2017). Possessing a significant knowledge base helps players memorize game plans and systems for on-field application. It also contributes to analyzing…

Mardi des chercheurs 2024, Mar 2024, Mons- campus de l’Université de Mons (Présentiel), Belgium. ⟨hal-04551511⟩

Poster de conférence

Notetaking and match analysis in soccer, La prise de notes et l’analyse de match en football

Hiba Tahri, Bachir Zoudji

Notetaking captures and organizes crucial information about performance, tactics, strategies and other key elements related to sport practice. It is impossible for the human memory of soccer coaches to retain all the actions that take place during a match and to manage this large flow of…, La prise de notes permet de capturer et d'organiser des informations cruciales concernant les performances, les tactiques, les stratégies et d'autres éléments clés liés à la pratique sportive. Les travaux sur la prise de notes en sport englobent un large éventail de recherches et de…

Mardi des chercheurs 2024, Mar 2024, MONS BELGIQUE, Belgium. ⟨hal-04579880⟩

Pré-publication, Document de travail

Extrinsically homogeneous Lagrangian submanifolds of the pseudo-nearly K\"ahler $\mathrm{SL}(2,\mathbb{R})\times\mathrm{SL}(2,\mathbb{R})$

Mateo Anarella

We consider the pseudo-nearly K\"ahler $\mathrm{SL}(2,\mathbb{R})\times\mathrm{SL}(2,\mathbb{R})$ and we study its Lagrangian submanifolds. We provide examples of Lagrangian submanifolds which do not have an analogue in $\mathbb{S}^3\times\mathbb{S}^3$. We also provide an expression for the…

2024. ⟨hal-04617515⟩

Article dans une revue

Fault estimation for nonlinear parameter-varying time-delayed systems

Márcia L.C. Peixoto, Pedro H.S. Coutinho, Tran Anh-Tu Nguyen, Thierry-Marie Guerra, Reinaldo Palhares

A fault estimation method for a class of nonlinear parameter-varying systems subject to time-varying delay and unmeasured nonlinearities is presented. The unmeasured time-varying parameters are effectively handled using a sector-based condition approach. A gain-scheduling intermediate estimator is…

Applied Mathematics and Computation, 2024, 465, pp.128405. ⟨10.1016/j.amc.2023.128405⟩. ⟨hal-04278785⟩

Article dans une revue

Center of pressure palindromes reveals a wobbling standing balance in scoliotic girls

Sébastien Leteneur, Mathias Blandeau, Franck Barbier, Nader Farahpour, Paul Allard

Background This study characterized the center of pressure planar displacement by palindromic strings. The objective is to test if the center of pressure pathway of able-bodied girls and those with a moderate and severe scoliosis displayed similar palindromic tendencies. Methods The center of…

Clinical Biomechanics, 2024, 113, pp.106217. ⟨10.1016/j.clinbiomech.2024.106217⟩. ⟨hal-04501129⟩

Article dans une revue

Densification of hydroxyapatite through cold sintering process: Role of liquid phase chemistry and physical characteristic of HA powder

Muthusundar Kumar, Mohamed Aymen Ben Achour, Marie Lasgorceix, Paulo Quadros, Rosica Mincheva, Jean-Marie Raquez, Anne Leriche

Hydroxyapatite is a well-known bioactive material widely employed in bone regeneration applications. Densifying hydroxyapatite at the nanoscale remains challenging with conventional sintering methods. This investigation focuses on the densification of commercially available nano-hydroxyapatite…

Open Ceramics, 2024, 17, ⟨10.1016/j.oceram.2024.100566⟩. ⟨hal-04542434⟩

Article dans une revue

Human-Agent Team Based on Decision Matrices : Application to Road Traffic Management in Participatory Simulation

Martial Razakatiana, Christophe Kolski, René Mandiau, Thomas Mahatody

The main motivation for this work is the design of context-sensitive systems, involving a human-agent team. More precisely, the participants in the current context, are human beings and software agents, who have to coordinate themselves for the collaborative achievement of a complex task. We…

Human-Centric Intelligent Systems, 2024, 4 (2), pp.241-255. ⟨10.1007/s44230-024-00063-5⟩. ⟨hal-04829021⟩

Pré-publication, Document de travail

Totally geodesic Lagrangian submanifolds of the pseudo-nearly Kähler $\mathrm{SL}(2,\mathbb{R})\times\mathrm{SL}(2,\mathbb{R})$

Mateo Anarella, Joeri van der Veken

In this paper, we study Lagrangian submanifolds of the pseudo-nearly K\"ahler $\mathrm{SL}(2,\mathbb{R})\times\mathrm{SL}(2,\mathbb{R})$. First, we show that they split into four different classes depending on their behaviour with respect to a certain almost product structure on the ambient…

2024. ⟨hal-04485470⟩

Pré-publication, Document de travail

Sur les suites des descendants d'un polygone

Aziz El Kacimi Alaoui, Abdellatif Zeggar

Soient P = [A_1 , ..., A_n ] un n-polygone (avec n ≥ 4) du plan euclidien E et λ un réel dans l'intervalle ]0, 1[. On note P_1 = [A′_1 , • • • , A′_n ] le n-polygone dont les sommets A′_1 , • • • , A′_n sont les λ-barycentres A′_k = (1-λ)A_k + λA_{k+1} , avec 1 ≤ k ≤ n et A_{n+1} = A_1 ; on…

2024. ⟨hal-04444952⟩