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Affichage de 981 à 990 sur 2006

Article dans une revue

The lock-in technique applied to heat exchangers: A semi-analytical approach and its application to fouling detection

Sylvain Lalot, Bernard Desmet

One of the current methods to detect fouling in heat exchangers is based on the analysis of the evolution of the effectiveness over time. The present results show that, using this kind of analysis, a 6% decrease of the overall heat transfer coefficient cannot be detected when measurement noise (±0.…

Applied Thermal Engineering, 2017, 114, pp.154-162. ⟨10.1016/j.applthermaleng.2016.11.174⟩. ⟨hal-03451919⟩

Article dans une revue

Less is more: Solving the Max-Mean diversity problem with variable neighborhood search

Jack Brimberg, Nenad Mladenovic, Raca Todosijević, Dragan Urošević

Within the broad class of diversity/dispersion problems we find an important variant known as the Max–Mean Diversity Problem, which requires finding a subset of a given set of elements in order to maximize the quotient of the sum of all edges belonging to that subset and the cardinality of the…

Information Sciences, 2017, 382-383, pp.179-200. ⟨10.1016/j.ins.2016.12.021⟩. ⟨hal-03402528⟩

Article dans une revue

Process simulation and analysis of carbon capture with an aqueous mixture of ionic liquid and monoethanolamine solvent

Baptiste Zacchello, Eni Oko, Meihong Wang, Fethi Aloui

This study investigated the prospect of using aqueous mixture of 1-butylpyridinium tetrafluoroborate ([Bpy][BF4]) ionic liquid (IL) and monoethanolamine (MEA) as solvent in post-combustion CO2 capture (PCC) process. This is done by analysis of the process through modelling and simulation. In…

International Journal of Coal Science & Technology, 2017, 4 (1), pp.25-32. ⟨10.1007/s40789-016-0150-1⟩. ⟨hal-03451934⟩

Article dans une revue

Characterisation and Parameters Identification of Materials Constitutive and Damage Models: From Normalised Direct Approach to Most Advanced Inverse Problem Resolution.

Eric Markiewicz, Bertrand Langrand

The paper aims at providing an overview of the research activities performed from the two past decades at the authors laboratory, in the field of the materials characterisation under dynamic loadings (i.e. from 10^-3 s^-1 to 10^+3 s^-1 for structural crashworthiness and impact applications) and the…

Procedia Engineering, 2017, 173, p. 33-40. ⟨10.1016/j.proeng.2016.12.016⟩. ⟨hal-01491858⟩

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A basic variable neighborhood search heuristic for the uncapacitated multiple allocation p-hub center problem

Jack Brimberg, Nenad Mladenovic, Raca Todosijević, Dragan Urošević

The uncapacitated multiple allocation p-hub center problem (UMApHCP) consists of choosing p hub locations from a set of nodes with pairwise traffic demands in order to route the traffic between the origin-destination pairs such that the maximum cost between origin-destination pairs is minimum. It…

Optimization Letters, 2017, 11 (2), pp.313-327. ⟨10.1007/s11590-015-0973-5⟩. ⟨hal-03576814⟩

Article dans une revue

A general variable neighborhood search for the swap-body vehicle routing problem

Raca Todosijević, Said Hanafi, Dragan Urošević, Bassem Jarboui, Bernard Gendron

The Swap-Body Vehicle Routing Problem, a generalization of the well known Vehicle Routing Problem, can be stated as follows: the vehicle fleet consisting of trucks, semi-trailers, and swap bodies, is available at a single depot to serve a given set of customers. To serve a subset of customers, one…

Computers and Operations Research, 2017, 78, pp.468-479. ⟨10.1016/j.cor.2016.01.016⟩. ⟨hal-03402315⟩

Article dans une revue

A global strategy for the stability analysis of friction induced vibration problem with parameter variations

Hai Quan Do, Franck Massa, Thierry Tison, Bertrand Lallemand

This paper presents a numerical strategy to reanalyze the modified frequency stability analysis of friction induced vibration problem. The stability analysis of a mechanical system relies on several coupling steps, namely a non-linear static analysis followed by linear and complex eigenvalue…

Mechanical Systems and Signal Processing, 2017, 84, pp.346-364. ⟨10.1016/j.ymssp.2016.07.029⟩. ⟨hal-03456386⟩

Article dans une revue

Multi-level energy/power-aware design methodology for MPSoC

Bassem Ouni, Imen Mhedbi, Chiraz Trabelsi, Rabie Ben Atitallah, Cécile Belleudy

Multiprocessor Systems-on-Chip (MPSoC) are becoming one of the most used solutions in order to meet the growing computation requirements of modern embedded applications. In such systems, power/energy consumption is a critical metric that should be taken into account in the design flow. System…

Journal of Parallel and Distributed Computing, 2017, 100, pp.203-215. ⟨10.1016/j.jpdc.2016.03.013⟩. ⟨hal-01570540⟩

Article dans une revue

Variable neighborhood search variants for Min-power symmetric connectivity problem

A.I. Erzin, Nenad Mladenovic, R.V. Plotnikov

We consider the problem of optimal communication tree construction in a given undirected weighted graph. Such a problem occurs while minimizing the power consumption of data transmission in different distributed networks in the case when network elements are able to adjust their transmission ranges…

Computers and Operations Research, 2017, 78, pp.557-563. ⟨10.1016/j.cor.2016.05.010⟩. ⟨hal-03402157⟩

Article dans une revue

J-means and I-means for minimum sum-of-squares clustering on networks

Alexey Nikolaev, Nenad Mladenovic, Raca Todosijević

Given a graph, the Edge minimum sum-of-squares clustering problem requires finding p prototypes (cluster centres) by minimizing the sum of their squared distances from a set of vertices to their nearest prototype, where a prototype can be either a vertex or an inner point of an edge. In this paper…

Optimization Letters, 2017, 11 (2), pp.359-376. ⟨10.1007/s11590-015-0974-4⟩. ⟨hal-03402127⟩