Publicaciones

• Article dans une revue

Razumikhin-type Theorems on Practical Stability of Dynamic Equations on Time Scales

Bacem Ben Nasser, Michael Defoort, Mohamed Djemai, Taous-Meriem Laleg-Kirati

In this work, we investigate some Razumikhin-type criteria for the uniform global practical asymptotic stability on arbitrary time domains, for time-varying dynamic equations. Using Lyapunov-type functions on time scales, we develop appropriate inequalities ensuring that trajectories decay to the...

IFAC-PapersOnLine, 2018, 51 (16), pp.121-126. ⟨10.1016/j.ifacol.2018.08.021⟩. ⟨hal-03671746⟩

• Article dans une revue

Estimates of oscillatory integrals with stationary phase and singular amplitude: Applications to propagation features for dispersive equations

Florent Dewez

In this paper, we study time‐asymptotic propagation phenomena for a class of dispersive equations on the line by exploiting precise estimates of oscillatory integrals. We propose first an extension of the van der Corput Lemma to the case of phases which may have a stationary point of real order and...

Mathematical News / Mathematische Nachrichten, 2018, 291 (5-6), pp.793-826. ⟨10.1002/mana.201600218⟩. ⟨hal-03142498⟩

• Article dans une revue

An Incremental Physically-Based Model of P91 Steel Flow Behaviour for the Numerical Analysis of Hot-Working Processes

Alberto Murillo-Marrodán, Eli Saúl Puchi-Cabrera, Eduardo Garcia, Mirentxu Dubar, Fernando Cortes, Laurent Dubar

This paper is aimed at modelling the flow behaviour of P91 steel at high temperature and a wide range of strain rates for constant and also variable strain-rate deformation conditions, such as those in real hot-working processes. For this purpose, an incremental physically-based model is proposed...

Metals, 2018, 8 (4), pp.269. ⟨10.3390/met8040269⟩. ⟨hal-03450069⟩

• Article dans une revue

Mesh Twisting Technique for Swirl Induced Laminar Flow Used to Determine a Desired Blade Shape

Asdis Helgadottir, Sylvain Lalot, François Beaubert, Halldor Pálsson

Swirling flow has been shown to increase heat transfer in heat exchangers. However, producing swirl while not presenting a severe pressure drop can be a challenge. In this paper, a desired shape of guidance blades for laminar swirl flow is determined by numerical simulation in OpenFOAM. Emphasis is...

Applied Sciences, 2018, 8 (10), pp.1865. ⟨10.3390/app8101865⟩. ⟨hal-03449889⟩

• Article dans une revue

High performance LDPC codes for high spectral efficiency

Latifa Mostari, Abdelmalik Taleb-Ahmed, Abdennacer Bounoua

Achieving high spectral efficiency is the key requirement of future wireless systems and mobile communications because it provides us a high quality for high data over a limited bandwidth. In order to achieve high spectral efficiency, channel coding and modulation are the key part. Basically, high...

Internetworking Indonesia Journal, 2018, 10 (1), pp.9-15. ⟨hal-03676514⟩

• Communication dans un congrès

Characterization of a visco-hyperelastic synthetic gel for ballistic impacts assessment

Anthony Bracq, Grégory Haugou, Benjamin Bourel, Rémi Delille, Christophe Maréchal, Franck Lauro, Sébastien Roth, Olivier Mauzac

Understanding the human body response during impact has become a primary concern, especially in the field of ballistic impacts. Among various materials employed as human body substitutes, synthetic gel named SEBS is used in the present study. Mechanical characterization from quasi-static to very...

Society for Experimental Mechanics (SEM'2017), Jun 2017, Indianapolis, United States. ⟨10.1007/978-3-319-62956-8_19⟩. ⟨hal-03436839⟩

• Chapitre d'ouvrage

Entrepreneuriat et projets de territoire : un défi pour le management territorial

Isabelle Kustosz

Capacités entrepreneuriales : des organisations aux territoires, Management et société, pp. 243-265, 2018, 978-2-37687-106-4. ⟨hal-02942712⟩

• Article dans une revue

A Disruption Recovery Problem with Time Windows Change in the Last Mile Delivery of Online Shopping

Li Jiang, Changyong Liang, Junfeng Dong, Wenxing Lu, Marko Mladenovic

Frequent time window changing disruptions result in high secondary delivery rates in the last mile delivery. With the rapid growth of parcel volumes in online shopping, the time window changing disruptions could translate to substantial delivery cost-wastes. In recent years, customer pickup (CP), a...

Mathematical Problems in Engineering, 2018, 2018, pp.2096416. ⟨10.1155/2018/2096416⟩. ⟨hal-03675640⟩

• Communication dans un congrès

Thresholding based on sequential Monte-Carlo for DCT speech enhancement

M. Meddah, A. Amrouche, Abdelmalik Taleb-Ahmed

This paper deals with speech enhancement achieved by thresholding the Discrete Cosine Transform coefficients of noisy speech. The sequential Monte-Carlo algorithm is used to approximate the a posteriori threshold distribution, thus the minimum mean square error estimate of the thresholded speech...

2017 First International Conference on Embedded & Distributed Systems (EDiS), Dec 2017, Oran, Algeria. pp.1-5, ⟨10.1109/EDIS.2017.8284035⟩. ⟨hal-03676494⟩

• Article dans une revue

Management et désobéissance font-ils bon ménage ?

Antoine Masingue

Gérer et Comprendre. Annales des Mines, 2018, 131, pp.89-91. ⟨hal-02927996⟩