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Affichage de 1611 à 1620 sur 1985

  • Article dans une revue

A new cohesive element for structural bonding modelling under dynamic loading

David Morin, Benjamin Bourel, Bruno Bennani, Franck Lauro, Denis Lesueur

The purpose of this paper is to propose a simplified macroscopic three-dimensional cohesive element dedicated to crash engineering. At the boundary between the CCZM (Continuous Cohesive Zone Method) and the DCZM (Discrete Cohesive Zone Method) approaches, this cohesive element includes an improved...

International Journal of Impact Engineering, 2013, 53, pp.94-105. ⟨10.1016/j.ijimpeng.2012.02.003⟩. ⟨hal-03470519⟩

  • Article dans une revue

3D transient model of vapour chamber: effect of nanofluids on its performance

Hamdy Hassan, Souad Harmand

This paper presents three-dimensional transient model for vapour chamber (flat heat pipe) and the effect of nanofluids on its performance. The vapour chamber consists of two copper plates, two copper/water wick regions and a vapour region sandwiched between the two wick regions. The numerical model...

Applied Thermal Engineering, 2013, 51 (1-2), pp.1191-1201. ⟨10.1016/j.applthermaleng.2012.10.047⟩. ⟨hal-03470490⟩

  • Article dans une revue

An expert system to characterise the surfaces morphological properties according to their tribological functionalities: The relevance of a pair of roughness parameters

Maxence Bigerelle, D. Najjar, T. Mathia, Alain Iost, Thierry Coorevits, K. Anselme

Knowing that a surface or profile can be characterized by numerous roughness parameters, the objective of this investigation was to present a methodology which aims to determine quantitatively and without preconceived opinion the most relevant pair of roughness parameters that describe an abraded...

Tribology International, 2013, 59, pp.190-202. ⟨10.1016/J.TRIBOINT.2012.04.027⟩. ⟨hal-01070536⟩

  • Article dans une revue

Quantification of first contact detection errors on hardness and indentation size effect measurements

Julie Marteau, Maxence Bigerelle, Y. Xia, P.-E. Mazeran, Salima Bouvier

A new method is proposed for the quantification of macroscopic hardness and indentation size effect. This method is based on the simultaneous treatment of several nanoindentation loading curves which are located according to the gap between their shape and the one predicted by the Bernhardt law. By...

Tribology International, 2013, 59, pp.154-162. ⟨10.1016/j.triboint.2012.06.029⟩. ⟨hal-04530460⟩

  • Article dans une revue

Evaluation de requêtes mobiles par composition dynamique de services, Processing mobile queries using dynamic composition of services

Marie Thilliez, Mikael Desertot

Cet article présente une solution pour l’évaluation de requêtes en environnements mobiles, en particulier de requêtes dépendantes de la localisation. Cette solution est basée sur une plateforme orientée services. L’utilisation d’une telle plateforme facilite d’une part, l’évaluation de requêtes..., This paper describes a solution to evaluate queries in mobile environments, specially location queries. This solution is based on a service oriented framework. On the one hand, the use of a such framework facilitates the evaluation of multi-scale queries based on the querying of different data...

Revue des Sciences et Technologies de l'Information - Série ISI : Ingénierie des Systèmes d'Information, 2013, 18 (1), pp.107-123. ⟨10.3166/ISI.18.1.107-123⟩. ⟨hal-03625147⟩

  • Article dans une revue

Deployment of a fully distributed system for improving urban traffic flows: A simulation-based performance analysis

Philippe Thomin, Alain Gibaud, Pierre Koutcherawy

Distributed, cooperative systems dedicated to road traffic self-organization are very attractive, but present some drawbacks. In particular, their cooperative nature makes them fairly inefficient when working with a reduced number of partners. This situation typically corresponds to the deployment...

Simulation Modelling Practice and Theory, 2013, 31, pp.22-38. ⟨10.1016/j.simpat.2012.10.007⟩. ⟨hal-03468580⟩

  • Article dans une revue

An agent-based framework for supply chain cooperation

Mourad Abed, Benaissa Ezzeddine, Abdellatif Benabdelhafid, Janusz Grabara

The importance of cooperation in the supply chain has led scholars to suggest diverse approaches for problems in the collaboration process. Cooperation refers to the integration of different parts of an organization or different organizations in supply chain to accomplish a collective set of tasks...

Applied Mechanics and Materials, 2013, 309, pp.185-194. ⟨10.4028/www.scientific.net/AMM.309.185⟩. ⟨hal-03472273⟩

  • Article dans une revue

Identification of Johnson-Cook's Viscoplastic Model Parameters Using the Virtual Fields Method: Application to Titanium Alloy Ti6Al4V

Delphine Notta-Cuvier, Bertrand Langrand, Eric Markiewicz, Franck Lauro, Gérald Portemont

The identification of viscoplastic material parameters is addressed using a new powerful method: the virtual fields method (VFM). Contrary to classical procedures that are statically determined, the VFM is applied to heterogeneous mechanical fields. Without any hypotheses of homogeneity required,...

Strain, 2013, 49 (1), pp.22-45. ⟨10.1111/str.12010⟩. ⟨hal-03624231⟩

  • Article dans une revue

An Efficient Framework for Power-Aware Design of Heterogeneous MPSoC

Rabie Ben Atitallah, Eric Senn, Daniel Chillet, Mickael Lanoe, Dominique Blouin

Currently, designing low-power complex embedded systems is a main challenge for corporations in a large number of electronic domains. There are multiple motivations which lead designers to consider low-power design such as increasing lifetime, improving battery longevity, limited battery capacity,...

IEEE Transactions on Industrial Informatics, 2013, 9 (1), pp.487-501. ⟨10.1109/TII.2012.2198657⟩. ⟨hal-00921900⟩

  • Article dans une revue

Measuring the 2D residual surface stress mapping in tempered glass under the cooling jets: the influence of process parameters on the stress homogeneity and isotropy

Yuan Chen, Dominique Lochegnies, R. Defontaine, J. Anton, Hillar Aben, R. Langlais

In glass products, thermally tempered on industrial lines for automotive and architectural industries, the distribution of residual stress is highly inhomogeneous and, in certain situations, can produce optical defects that are more visible in sunlight because of the impact of the cooling jets on...

Strain, 2013, 49 (1), pp.60-67. ⟨10.1111/str.12013⟩. ⟨hal-03470452⟩