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Communication dans un congrès

Lagrangian relaxation-based lower bound for the two-machine flow shop with synchronized periodic maintenance

Issam Krimi, Rachid Benmansour, Nizar Elhachemi, David Duvivier

In this work, we present a Lagrangian relaxation approach to generate a new lower bound for the two-machine flow shop scheduling problem under synchronized and periodic maintenance activities. The word synchronized is used to specify that the maintenance starts at the same time on both machines.…

2018 4th International Conference on Optimization and Applications (ICOA), Apr 2018, Mohammedia, Morocco. pp.1-6, ⟨10.1109/ICOA.2018.8370572⟩. ⟨hal-03383522⟩

Communication dans un congrès

Flat almost complex surfaces in the nearly Kähler S3 × S3

Luc Vrancken

In this talk we show how to study almost complex submanifolds of S3 × S3. Compact 6-dimensional non-K¨ahler nearly K¨ahler manifolds do not admit 4-dimensional almost complex submanifolds, so the almost complex submanifolds are surfaces. Previously, a classification of the totally geodesic almost…

XVIII Geometrical Seminar, May 2013, Vrnjacka Bana, Serbia. 24 pp. ⟨hal-03155854⟩

Article dans une revue

Radiative heating of a glass plate: the semi-discrete problem (second revision)

Luc Paquet

In a preceding paper (MSIA, 2012), we have studied the radiative heating of a glass plate. We have proved existence and uniqueness of the solution. Here, we want to study the semi-discrete problem and to prove a priori error estimates. Previously, in that purpose, we have to study the regularity of…

Afrika Matematika, 2018, 29 (1-2), pp.295-330. ⟨10.1007/s13370-018-0542-z⟩. ⟨hal-03212551⟩

Article dans une revue

Flat Almost Complex Surfaces in the Homogeneous Nearly Kähler S3×S3

Bart Dioos, Haizhong Li, Hui Ma, Luc Vrancken

By employing a nice adapted frame we prove a Bonnet-type existence and uniqueness theorem for almost complex surfaces in the homogeneous nearly Kähler manifold S3×S3. The proof uses a local correspondence between almost complex surfaces in S3×S3 and surfaces in R3 that satisfy the Wente H-surface…

Results in mathematics = Resultate der Mathematik, 2018, 73 (1), 24 pp. ⟨10.1007/s00025-018-0784-y⟩. ⟨hal-03148536⟩

Article dans une revue

Ultrathin electrochemically driven conducting polymer actuators: fabrication and electrochemomechanical characterization

Ngoc Tan Nguyen, Kätlin Rohtlaid, Cedric Plesse, Giao T.M. Nguyen, Caroline Soyer, Sébastien Grondel, Eric Cattan, John D.W. Madden, Frederic Vidal

Electronic conducting polymer based-actuators have attracted lots of interest as alternative materials to traditional piezoelectric and electrostatic actuators. Their specific characteristics such as their low operating voltages and large strains should allow them to adapt better to soft…

Electrochimica Acta, 2018, 265, pp.670-680. ⟨10.1016/j.electacta.2018.02.003⟩. ⟨hal-02096123v2⟩

Communication dans un congrès

Vers Une Ecosse indépendante?

Edwige Camp-Pietrain

En 2014, le SNP a bénéficié de facteurs exceptionnels (tant politiques et juridiques qu'économiques et sociaux) afin de convoquer le référendum d'autodétermination promis depuis fort longtemps. Le Brexit aurait pu créer de nouvelles circonstances favorables, les Écossais pouvant décider…, The SNP benefited in 2014 from exceptional factors, be they political, legal, economic or social, in order to hold the referendum on independence that it had long promised. Brexit might have provided another set of advantageous circumstances as the Scots could decide to leave the United Kingdom in…

Les sécessions, Stéphane Rosière, Nov 2018, Reims, France. ⟨10.4000/espacepolitique.5649⟩. ⟨hal-04067949⟩

Article dans une revue

Designing a camera placement assistance system for human motion capture based on a guided genetic algorithm

Azeddine Aissaoui, Abdelkrim Ouafi, Philippe Pudlo, Christophe Gillet, Zine-Eddine Baarir, Abdelmalik Taleb-Ahmed

In multi-camera motion capture systems, determining the optimal camera configuration (camera positions and orientations) is still an unresolved problem. At present, configurations are primarily guided by a human operator’s intuition, which requires expertise and experience, especially with complex…

Virtual Reality, 2018, 22 (1), pp.13-23. ⟨10.1007/s10055-017-0310-7⟩. ⟨hal-03426904⟩

Communication dans un congrès

Computation of dispersion curves of guided waves using discontinuous Galerkin finite element method: Application to functionally graded materials

Salah-Eddine Hebaz, Farouk Benmeddour, Emmanuel Moulin, Jamal Assaad, Marc Duquennoy, Mohammadi Ouaftouh

The study of dispersive behavior of guided waves is of great interest in non-destructive testing and development of inspection systems. In this work, a semi-analytical numerical formulation for the computation of dispersion curves and mode shapes in plate-like structures is presented. The…

175th Meeting of the Acoustical Society of America, May 2018, Minneapolis, MN, United States. pp.1741-1741, ⟨10.1121/1.5035681⟩. ⟨hal-03595566⟩

Article dans une revue

Eigen frequencies and directivity patterns of a spherical acoustic transducer

Daher Diab, Fabrice Lefebvre, Georges Nassar, Nikolay Smagin, Adnan Naja, Fawaz El Omar

In this work, a spherical acoustic sensor has been developed, and is composed of two Plexiglas half-spheres and a PZ26 piezoelectric ring that can be either used as an exciter or as a sensor. The resonance of the spherical shell is studied analytically, numerically by finite elements modeling in…

International journal of digital information and wireless communications (IJDIWC), 2018, 8 (1), pp.47-51. ⟨10.17781/P002404⟩. ⟨hal-03559602⟩

Communication dans un congrès

Rapid in-memory matrix multiplication using associative processor

Mohamed Ayoub Neggaz, Hasan Erdem Yantir, Smail Niar, Fadi Kurdahi, Ahmed Eltawil

Memory hierarchy latency is one of the main problems that prevents processors from achieving high performance. To eliminate the need of loading/storing large sets of data, Resistive Associative Processors (ReAP) have been proposed as a solution to the von Neumann bottleneck. In ReAPs, logic and…

IEEE-ACM Design, Automation & Test in Europe Conference & Exhibition (DATE'18), Mar 2018, Dresden, Germany. pp.985-990, ⟨10.23919/DATE.2018.8342152⟩. ⟨hal-03383708⟩