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Article dans une revue

General Variable Neighborhood Search for computing graph separators

Jesús Sánchez-Oro, Nenad Mladenovic, Abraham Duarte

Computing graph separators in networks has a wide range of real-world applications. For instance, in telecommunication networks, a separator determines the capacity and brittleness of the network. In the field of graph algorithms, the computation of balanced small-sized separators is very useful,…

Optimization Letters, 2017, 11 (6), pp.1069-1089. ⟨10.1007/s11590-014-0793-z⟩. ⟨hal-03401153⟩

Article dans une revue

Mathematical programming based heuristics for the 0–1 MIP: a survey

Said Hanafi, Raca Todosijević

The 0–1 mixed integer programming problem is used for modeling many combinatorial problems, ranging from logical design to scheduling and routing as well as encompassing graph theory models for resource allocation and financial planning. This paper provides a survey of heuristics based on…

Journal of Heuristics, 2017, 23 (4), pp.165-206. ⟨10.1007/s10732-017-9336-y⟩. ⟨hal-03401722⟩

Article dans une revue

A general variable neighborhood search for solving the uncapacitated r-allocation p-hub median problem

Raca Todosijević, Dragan Urošević, Nenad Mladenovic, Said Hanafi

The \(p\) -hub median problem 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 at minimum cost. We accept general assumption that transportation between non-hub nodes is possible only via \(…

Optimization Letters, 2017, 11 (6), pp.1-13. ⟨10.1007/s11590-015-0867-6⟩. ⟨hal-03401364⟩

Article dans une revue

Wave propagation in head on bonnet impact: Material and design issues

Edmondo Di Pasquale, Daniel Coutellier

Head on bonnet impact is becoming more and more important in automotive design as regulations on pedestrian safety become more demanding. Despite the relatively low amount of energy involved, these impacts are truly dynamic phenomena as the event duration is comparable with the traveling time of…

International Journal of Automotive Technology and Management, 2017, 18 (4), pp.631-642. ⟨10.1007/s12239-017-0063-z⟩. ⟨hal-03456456⟩

Article dans une revue

An experimental work on the effect of the radius of rotation on the performance of revolving heat pipe (RVHP)

Hamdy Hassan, Souad Harmand

Rotating heat pipe uses centrifugal acceleration to transfer condensed liquid from the condenser to evaporator. Revolving heat pipe (RVHP) is a rotating heat pipe but its axis of rotation is parallel to and offset from its central axis. This paper presents an experimental work on the effect of…

Applied Thermal Engineering, 2017, 123, pp.537-545. ⟨10.1016/j.applthermaleng.2017.05.133⟩. ⟨hal-03451523⟩

Article dans une revue

The robust uncapacitated multiple allocation p-hub median problem

El-Ghazali Talbi, Raca Todosijević

In this paper we study the uncapacitated multiple allocation p-hub median problem and propose several ways to deal with the uncertainty that may occur in the flow. More precisely, the paper introduces a new way to quantify the robustness of a solution in the presence of uncertainities. The main…

Computers & Industrial Engineering, 2017, 110, pp.322-332. ⟨10.1016/j.cie.2017.06.017⟩. ⟨hal-01654718⟩

Article dans une revue

Impaired corticomuscular coherence during isometric elbow flexion contractions in humans with cervical spinal cord injury

Sylvain Cremoux, Jessica Tallet, Fabien Dal Maso, Eric Berton, David Amarantini

After spinal cord injury (SCI), the reorganization of the neuromuscular system leads to increased antagonist muscles' co-activationthat is, increased antagonist vs. agonist muscles activation ratioduring voluntary contractions. Increased muscle co-activation is supposed to result from reduced…

European Journal of Neuroscience, 2017, 46 (4), pp.1991-2000. ⟨10.1111/ejn.13641⟩. ⟨hal-01691164⟩

Article dans une revue

Experimental study of the strain rate dependence of a synthetic gel for ballistic blunt trauma assessment

Anthony Bracq, Grégory Haugou, Rémi Delille, Franck Lauro, Sébastien Roth, Olivier Mauzac

The mechanical characterization of a polymer gel used as reference backing material for blunt ballistic impact interpretation is performed at room temperature from quasi-static (0.002 s−1) up to high strain rates (1500 s−1). As very high strain tensile tests (350%) are conducted, an appropriate…

Journal of the mechanical behavior of biomedical materials, 2017, 72, pp.138-147. ⟨10.1016/j.jmbbm.2017.04.027⟩. ⟨hal-03456414⟩

Article dans une revue

A general variable neighborhood search variants for the travelling salesman problem with draft limits

Raca Todosijević, Anis Mjirda, Marko Mladenovic, Said Hanafi, Bernard Gendron

In this paper, we present two general variable neighborhood search (GVNS) based variants for solving the traveling salesman problem with draft limits (TSPDL), a recent extension of the traveling salesman problem. TSPDL arises in the context of maritime transportation. It consists of finding optimal…

Optimization Letters, 2017, 11 (6), pp.1047-1056. ⟨10.1007/s11590-014-0788-9⟩. ⟨hal-03666023⟩

Article dans une revue

Solving the clique partitioning problem as a maximally diverse grouping problem

Jack Brimberg, Stefana Janićijević, Nenad Mladenovic, Dragan Urošević

In this paper we show that the clique partitioning problem can be reformulated in an equivalent form as the maximally diverse grouping problem (MDGP). We then modify a skewed general variable neighborhood search (SGVNS) heuristic that was first developed to solve the MDGP. Similarly as with the…

Optimization Letters, 2017, 11 (6), pp.1-13. ⟨10.1007/s11590-015-0869-4⟩. ⟨hal-03402185⟩