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Affichage de 1581 à 1590 sur 2006

Article dans une revue

An efficient modelling of inelastic composites with misaligned short fibres

Delphine Notta-Cuvier, Franck Lauro, Bruno Bennani, Romain Balieu

This paper deals with the modelling of the behaviour of short-fibre reinforced composites. The composite is seen as an assembly of a matrix medium and of several fibre media. Each fibre medium, characterised by its own orientation of fibres and volume fraction, is considered as a one-dimensional...

International Journal of Solids and Structures, 2013, 50 (19), pp.2857-2871. ⟨10.1016/j.ijsolstr.2013.04.031⟩. ⟨hal-03624280⟩

Article dans une revue

Two-level Caches Tuning Technique For Energy Consumption in Reconfigurable Embedded MPSoC

Asmaa Bengueddach, Benaoumeur Senouci, Smail Niar, Bouziane Beldjilali

In order to meet the ever-increasing computing requirement in the embedded market, multiprocessor chips were proposed as the best way out. In this work we investigate the energy consumption in these embedded MPSoC systems. One of the efficient solutions to reduce the energy consumption is to...

Journal of Systems Architecture, 2013, 59 (8), pp.656-666. ⟨10.1016/j.sysarc.2013.05.018⟩. ⟨hal-03479475⟩

Article dans une revue

Multi-dimensional Capon spectral estimation using discrete Zhang neural networks

Abderrazak Benchabane, Bennia Abdelhak, Fella Charif, Abdelmalik Taleb-Ahmed

The minimum variance spectral estimator, also known as the Capon spectral estimator, is a high resolution spectral estimator used extensively in practice. In this paper, we derive a novel implementation of a very computationally demanding matched filter-bank based a spectral estimator, namely the...

Multidimensional Systems and Signal Processing, 2013, 24 (3), pp.583-598. ⟨10.1007/s11045-012-0189-0⟩. ⟨hal-03405620⟩

Article dans une revue

Heat transfer and vortical structures around a rotating cylinder with a spanwise disk and low-velocity crossflow

Thien Duy Nguyen, Souad Harmand

In this paper, we study the flow field characteristics and heat transfer of a rotating cylinder with a spanwise disk attached and subjected to low-velocity crossflow with a disk-cylinder diameter ratio, Dd/Dc = 3.06. Reynolds Averaged Navier-Stokes (RANS) simulations using the k-â̂Š realizable...

International Journal of Heat and Mass Transfer, 2013, 64, pp.1014-1030. ⟨10.1016/j.ijheatmasstransfer.2013.05.037⟩. ⟨hal-03624178⟩

Article dans une revue

On the modeling and design of composite multilayered structures using solid-shell finite element model

Hakim Naceur, Seddick Shiri, Daniel Coutellier, Jean-Louis Batoz

In this investigation a coupling between a 3D solid-shell element for the analysis of multilayered composite shell structures and a specific response surface method is proposed. The first part of the paper is dedicated to the finite element formulation of a developed composite 8-node solid-shell...

Finite Elements in Analysis and Design, 2013, 70-71, pp.1-14. ⟨10.1016/j.finel.2013.02.004⟩. ⟨hal-03624138⟩

Article dans une revue

Several versions of the devour digest tidy-up heuristic for unconstrained binary quadratic problems

Said Hanafi, Ahmed-Riadh Rebai, Michel Vasquez

The unconstrained binary quadratic minimization problem is known to be NP-hard and due to its computational challenge and application capability, it becomes more and more considered and involved by the recent research studies, including both exact and heuristic solution approaches. Our work is in...

Journal of Heuristics, 2013, 19 (4), pp.645-677. ⟨10.1007/s10732-011-9169-z⟩. ⟨hal-00814716⟩

Article dans une revue

A hybrid heuristic for the multiple choice multidimensional knapsack problem

Raïd Mansi, Cláudio Alves, J.M. Valério de Carvalho, Said Hanafi

In this article, a new solution approach for the multiple choice multidimensional knapsack problem is described. The problem is a variant of the multidimensional knapsack problem where items are divided into classes, and exactly one item per class has to be chosen. Both problems are NP-hard....

Engineering Optimization, 2013, 45 (8), pp.983-1004. ⟨10.1080/0305215X.2012.717072⟩. ⟨hal-03623239⟩

Article dans une revue

PLUGAM: Plug-In-Based Adaptation Middleware for Network Layer Protocols for Vehicular Ad Hoc Networks

Carlos Caloca, José-Antonio García-Macías, Thierry Delot

Vehicular communication environments are characterized by highly mobile nodes, frequent topology changes, and a great variation in the number of neighbor vehicles. The network layer (NL) protocols must adapt continuously to these unreliable conditions, hence the growing effort in the development of...

International Journal of Distributed Sensor Networks, 2013, 9 (7), pp.415297. ⟨10.1155/2013/415297⟩. ⟨hal-03608830⟩

Article dans une revue

An Analysis of the Reciprocal Collision Avoidance of Cooperative Robots

Aurel Fratu, Michel Dambrine, Laurent Vermeiren, Antoine Dequidt

This paper presents a formal approach that addresses the reciprocal robots collision avoidance, where two robots need to avoid collisions with each other, while moving in a common workspace. Based on our formulation, each physical robot acts fully independently, communicating with the corresponding...

Automation, Control and Intelligent Systems, 2013, 1 (3), pp.75-84. ⟨10.11648/j.acis.20130103.17⟩. ⟨hal-03468536⟩

Article dans une revue

Friction and wear mechanisms of phenolic-based materials on High Speed Tribometer

Damien Méresse, Michel Watremez, Monica Siroux, Laurent Dubar, Souad Harmand

This work takes place in the understanding of the friction and wear mechanisms occurring in reinforced phe-nolic materials, widely used in organic braking pads. As the matrix is filled with a large variety of particles, the phenomena in the contact zone are complex and multi-physic. In a first...

Journal of Tribology, 2013, 135 (3), ⟨10.1115/1.4023803⟩. ⟨hal-02372575⟩