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Affichage de 741 à 750 sur 1985

Article dans une revue

Implementation of standard penalty procedures for the solution of incompressible Navier–Stokes equations, employing the element-free Galerkin method

Juan Carlos Álvarez-Hostos, Victor D. Fachinotti, Alirio J. Sarache Piña, Alfonso D. Bencomo, Eli Saúl Puchi-Cabrera

The present work introduces an alternative implementation of the element-free Galerkin method (EFGM) for the steady incompressible Navier–Stokes equations. The linear momentum balance and mass conservation equations have been developed on the basis of this global weak formulation. The weak forms of…

Engineering Analysis with Boundary Elements, 2018, 96, pp.36-54. ⟨10.1016/j.enganabound.2018.08.008⟩. ⟨hal-03671683⟩

Article dans une revue

Assessing Cyber-Physical Systems to Balance Maintenance Replacement Policies and Optimize Long-Run Average Costs for Aircraft Assets

Marco Andreacchio, Abdelghani Bekrar, Rachid Benmansour, Damien Trentesaux

Many aircraft assets are subject to both preventive (scheduled) and corrective (unscheduled) replacement policies to ensure adequate levels of reliability and availability. The problem, particularly for assets that exist in large quantities, is that preventive replacement tasks often involve…

IET Cyber-Physical Systems: Theory & Applications, 2018, 4 (2), pp.148-155. ⟨10.1049/iet-cps.2018.5038⟩. ⟨hal-03479902⟩

Article dans une revue

Study of the Dynamic and Thermal Behaviors of an Air Flow in a T-Bifurcation

Ali Riahi, Julien Pellé, Lilia Chouchene, Souad Harmand, Sadok Ben Jabrallah

This paper presents a numerical and experimental study of a turbulent flow of air in a T-bifurcation. This configuration corresponds to a stator containing radial vents oriented vertically to the rotor–stator air gap in electrical machines. Our analysis focuses on the local convective heat transfer…

Journal of Heat Transfer, 2018, 140 (11), ⟨10.1115/1.4040481⟩. ⟨hal-03449678⟩

Article dans une revue

HAPE: A high-level area-power estimation framework for FPGA-based accelerators

Mariem Makni, Smail Niar, Mouna Baklouti, Mohamed Abid

Recent embedded applications are widely used in several industrial domains such as automotive and multimedia systems. These applications are critical and complex, involving more computing resources and therefore increasing the power consumption of the system. Although performance still remains an…

Microprocessors and Microsystems: Embedded Hardware Design , 2018, 63, pp.11-27. ⟨10.1016/j.micpro.2018.08.004⟩. ⟨hal-03400521⟩

Article dans une revue

HCI in practice: An empirical study with software process capability maturity model consultants in Brazil

Taisa Guidini Gonçalves, Káthia Marçal de Oliveira, Christophe Kolski

Human-computer interaction (HCI) and software engineering (SE) are undoubtedly important domains for the development of interactive systems. The quality of an interactive system is usually considered dependent on the user interface design and evaluation, which implies the use of HCI and SE…

Journal of Software: Evolution and Process, 2018, 30 (11), pp.1-22. ⟨10.1002/smr.2109⟩. ⟨hal-03274986⟩

Article dans une revue

Human–machine shared control for vehicle lane keeping systems: a Lyapunov‐based approach

Chouki Sentouh, Tran Anh-Tu Nguyen, Jagat Jyoti Rath, Jérôme Floris, Jean‐christophe Popieul

In this work, a human-centred steering assist controller based on dynamic allocation of control authority between driver and automatic e-copilot has been proposed for lane keeping systems. Cooperative control between driver and steering assist controller is addressed taking into consideration human…

IET Intelligent Transport Systems, 2018, 13 (1), pp.63-71. ⟨10.1049/iet-its.2018.5084⟩. ⟨hal-04307239⟩

Article dans une revue

Performance over a wide range of strain rate of polypropylene reinforced by short alfa fibers

Mariem Nciri, Delphine Notta-Cuvier, Franck Lauro, Fahmi Chaari, Rémi Delille, Grégory Haugou, Yamen Maalej, Bassem Zouari

Thermoplastics reinforced with short vegetal fibers are appealing materials for technical applications, for instance in automotive, thanks to high specific modulus and at least partially biosourced origin, in particular. However, a more widespread use of those materials is still hampered by a lack…

Polymer Composites, 2018, 40 (7), pp.2850-2862. ⟨10.1002/pc.25108⟩. ⟨hal-03579882⟩

Article dans une revue

Dynamics of the recirculating areas of a forward-facing step

Anthony Graziani, Franck Kerhervé, Robert J. Martinuzzi, Laurent Keirsbulck

The dynamics of the velocity and surface pressure fields in the recirculating regions upstream of the foot of a forward-facing step and downstream of the step corner are investigated experimentally for a thin turbulent oncoming boundary layer at a Reynolds number, based on the step height, of 105.…

Experiments in Fluids, 2018, 59 (10), pp.154. ⟨10.1007/s00348-018-2608-y⟩. ⟨hal-02317009⟩

Article dans une revue

Helping older pedestrians navigate unknown environments through vibrotactile guidance instructions

Stéphanie Coeugnet, Aurélie Dommes, Sabrina Paneels, Fabrice Vienne, Nguyen-Thong Dang, Margarita Anastassova, Laure Léger, Aline Chevalier

Many studies have consistently found evidence of aging-related navigation difficulties that lead to disorientation behaviors and/or reduced travel. Despite technological advances, older pedestrians mainly use paper maps to find their way in unknown environments while they have a lot of difficulties…

Transportation Research Part F: Traffic Psychology and Behaviour, 2018, 58 (3), pp.816 - 830. ⟨10.1016/j.trf.2018.07.017⟩. ⟨hal-01937974⟩

Article dans une revue

Whale optimization algorithm based optimal reactive power dispatch: A case study of the Algerian power system

Khaled Ben Oualid Medani, Samir Sayah, Abdelghani Bekrar

Optimal reactive power dispatch (ORPD) is a particular case of the optimal power flow. ORPD was usually considered as the minimization of an objective function representing the total active power losses in the electrical networks. The constraints involved are the generator voltages, tap regulating…

Electric Power Systems Research, 2018, 163, pp.696-705. ⟨10.1016/j.epsr.2017.09.001⟩. ⟨hal-03654998⟩