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Communication dans un congrès

Experimental Assessment of the Active Flow Control over the Flight Deck of a Frigate, Evaluation expérimentale du contrôle actif d'écoulement sur le pont d'envol d'une frégate

Elvina Derhille, Laurent Keirsbulck, Quentin Gallas, Luc Bordier

The airwake of a simplified ship model, representative of the geometry of a frigate at 1:50 scale, is studied experimentally in a wind tunnel. The shipboard landing operation requires a high workload from the pilots. The objective is to improve-in sense of pilot workload-the flow topology over the…

9th European Conference for Aeronautics and Space Sciences EUCASS-3AF 2022, Jun 2022, Lille, France. ⟨hal-03819141v2⟩

Communication dans un congrès

Energy transfer in turbulence using Lattice Boltzmann Method based on large-eddy simulation

Insaf Mehrez, Ramla Gheith, Fethi Aloui

Turbulent flows are characterized by the emergence of simultaneous downscale and upscale energy transfer. The challenge is to control the velocity in two complex geometries. A spectral analysis and a fluctuation velocity were performed on the numerical data obtained from Lattice Boltzmann method (…

9ᵀᴴ EUROPEAN CONFERENCE FOR AERONAUTICS AND SPACE SCIENCES (EUCASS), Jun 2022, Lille, France. ⟨10.13009/EUCASS2022-7285⟩. ⟨hal-04154038⟩

Communication dans un congrès

Experimental study of the effect of a wavy surface in Taylor-Couette-Poiseuille flow

Lamia Gaied, Fethi Aloui, Laurent Keirsbulck

In this article, we study the effect of an imposed axial flow on the Taylor-Couette flow with regularly distributed wavy form on the surface of the inner cylinder. Without an imposed axial flow, a series of clearly distinguishable flow regimes develops; from the laminar flow Couette Flow CF to the…

9th EUROPEAN CONFERENCEFOR AERONAUTICS AND SPACE SCIENCES (EUCASS), Jun 2022, Lille, France. ⟨10.13009/EUCASS2022-7286⟩. ⟨hal-04160261⟩

Communication dans un congrès

Towards a framework for detecting temporary obstacles and their impact on mobility for diversely disabled users

Enka Blanchard, David Duvivier, Christophe Kolski, Sophie Lepreux

While walking around a city, the temporary obstacles present on the sidewalk barely register in most people’s minds. The reality for people with disabilities is quite different, whether it’s a scooter left in the way, crowds that refuse to budge, or construction work loud enough to trigger somatic…

HCII 2022 - Human-Computer Interaction, Jun 2022, Virtual, France. pp.475-488. ⟨hal-04790817⟩

Communication dans un congrès

Lean 4.0: typology of scenarios and case studies to characterize Industry 4.0 autonomy model, Lean 4.0 : typologie de scénarios d'études visant à caractériser les modèles d'autonomie 4.0

Rosin Frédéric, Magnani Florian, Joblot Laurent, Pascal Forget, Robert Pellerin, Lamour Samir

Industry 4.0 is leading to rethink how operational decisions are made within companies. In particular, it raises the question of the evolution of employee involvement and autonomy in operational decision-making in a Lean 4.0 context. Dealing with such issues within companies presents high stakes…, L'industrie 4.0 amène à repenser la manière dont les décisions opérationnelles sont prises au sein des entreprises. Se pose notamment la question de l'évolution de l'implication et de l'autonomie des employés dans les prises de décision opération-nelles dans un contexte Lean 4.0…

10th IFAC Conference on Manufacturing Modelling, Management, and Control, MIM 2022, Jun 2022, Nantes, France. ⟨hal-03799489⟩

Thèse

Polytopic Quasi-LPV Approaches for Nonlinear Descriptor Systems: Reduced-Complexity Modeling, Approches polytopiques quasi-LPV pour les systèmes descripteurs non linéaires

Amine Dehak

Descriptor systems provide a natural and flexible framework to represent and analyze a large class of engineering applications. Motivated by this fact, this PhD project investigates new quasi-LPV approaches for modeling and control design of descriptor systems with a large number of nonlinearities…, Les systèmes de descripteurs fournissent un cadre naturel et flexible pour représenter et analyser une large classe d’applications en ingénierie. Motivé par ce fait, ce projet de doctorat étudie de nouvelles approches quasi-LPV pour la modélisation et la conception de commande des systèmes…

Automatic. Université polytechnique Hauts-de-France; Institut national des sciences appliquées Hauts-de-France, 2022. English. ⟨NNT : 2022UPHF0021⟩. ⟨tel-03782774⟩

Thèse

Vers le Lean 4.0 : Renforcement du processus décisionnel par les technologies de l’Industrie 4.0, Towards Lean 4.0 : enhancing decision-making process through Industry 4.0 technologies

Frédéric Rosin

L’Industrie 4.0 est de plus en plus présentée comme un incontournable pour améliorer la productivité et assurer la croissance économique des entreprises manufacturières. D’un autre côté, de nombreuses entreprises ont déjà implanté partiellement ou complètement les principes et outils issus de l’…, Industry 4.0 practices are increasingly adopted as a necessity to improve productivity and ensure economic growth for manufacturing companies. However, many companies have already partially or completely implemented Lean manufacturing principles and tools. Integrating these two inherently different…

Automatique / Robotique. HESAM Université, 2022. Français. ⟨NNT : 2022HESAE039⟩. ⟨tel-03716434⟩

Thèse

Surrogate models for the analysis of friction induced vibrations under uncertainty, Modèles de substitution pour l’analyse de problèmes de Vibrations induites par le frottement sous incertitudes

Jérémy Sadet

The automotive squeal is a noise disturbance, which has won the interest of the research and industrialists over the year. This elusive phenomenon, perceived by the vehicle purchasers as a poor-quality indicator, causes a cost which becomes more and more important for the car manufacturers, due to…, Le crissement automobile est une nuisance sonore qui intéresse à la fois les chercheurs et les industriels. Ce phénomène fugace, perçu par les acquéreurs de véhicule comme gage de piètre qualité, induit un coût de plus en plus important pour les équipementiers automobiles dû aux réclamations-client…

Mechanics of materials [physics.class-ph]. Université Polytechnique Hauts-de-France; Institut national des sciences appliquées Hauts-de-France, 2022. English. ⟨NNT : 2022UPHF0014⟩. ⟨tel-03778236⟩

Communication dans un congrès

Is well-tested code more energy efficient?

Adel Noureddine, Matias Martinez, Houssam Kanso, Noëlle Bru

Software testing plays an important role in building quality software and improving maintainability. However, there are no research studies to analyze its impact on energy efficiency. In this paper, we conduct a preliminary study on the impact of unit tests and code coverage on the energy…

11th Workshop on the Reliability of Intelligent Environments, Jun 2022, Biarritz, France. ⟨10.3233/AISE220044⟩. ⟨hal-03635797⟩

Thèse

Analyse et modélisation des transformations tribologiques de surface lors de la mise en forme à froid des aciers martensitiques, Analysis and modeling of tribological surface transformations occuring during cold forming of martensitic steels

Hans Curtis Boungomba

Plusieurs types de suspensions existent dans l’industrie automobile. Celles qui sont mises en forme à froid permettent une variabilité et une souplesse dans le design. Cette flexibilité conduit cependant à la création de défauts. Lors de la production des ressorts hélicoïdaux, l’étape d’enroulement…, There are several types of suspensions in the automotive industry. Those that are cold formed allow variability and flexibility in the design. However, this flexibility leads to the creation of defects. During the production of coil springs, the step of winding the SAE 9254 steel wire sometimes…

Mécanique [physics.med-ph]. Université Polytechnique Hauts-de-France; Institut national des sciences appliquées Hauts-de-France, 2022. Français. ⟨NNT : 2022UPHF0020⟩. ⟨tel-03782995⟩