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Affichage de 901 à 910 sur 1072

  • Article dans une revue

Convergence order of a numerical scheme for sweeping process

Frederic Bernicot, Juliette Venel

In a previous paper, an implementable algorithm was introduced to compute discrete solutions of sweeping processes (i.e. specific first order differential inclusions). The convergence of this numerical scheme was proved thanks to compactness arguments. Here we establish that this algorithm is of...

SIAM Journal on Control and Optimization, 2013, 51 (4), pp.3075-3092. ⟨10.1137/120882044⟩. ⟨hal-00517485v2⟩

  • Article dans une revue

Animation réaliste d’une caméra pour la stop motion : de la modélisation à la prise de vue

Laura Saini, Gudrun Albrecht, Nicolas Lissarrague, Lucia Romani

L’article présente un nouveau système permettant de produire des mouvements de caméra réalistes pour l’animation stop motion. Le système permettra d’enrichir les logiciels d’animation 3D classiques (comme par exemple Maya et 3D Studio Max) afin de leur faire contrôler des mouvements de caméra pour..., The article presents a new system that allows to create realistic camera movements for a stop motion animation. The system improves traditional 3D software animation programs (for example Maya and 3D Studio Max) for creating stop motion camera movements by using a haptic interface. After describing...

Revue Electronique Francophone d'Informatique Graphique, 2013, 7 (1), pp.51-65. ⟨hal-03184668⟩

  • Article dans une revue

Lower and upper solutions for the heat equation on a polygonal domain of R2

Colette De Coster, Serge Nicaise

We consider the nonlinear periodic-Dirichlet heat equation on a polygonal domain of the plane in weighted Lp-Sobolev spaces equation presented Here f is Lp(0; T;Lpμ(Ω)-Caratheodory, where L pμ(Ω) = {v ε Lploc(Ω) : rμv ε Lp(Ω)}, with a real parameter μ and r(x) the distance from x to the set of...

Differential and integral equations, 2013, 26 (5/6), pp.603-622. ⟨hal-03137717⟩

  • Article dans une revue

Spectral analysis and exponential or polynomial stability of some indefinite sign damped problems

F. Abdallah, D. Mercier, Serge Nicaise

In this paper, we consider two damped wave problems for which the damping terms are allowed to change their sign. Using a careful spectral analysis, we find critical values of the damping coefficients for which the problem becomes exponentially or polynomially stable up to these critical values.

Evolution Equations and Control Theory, 2013, 2, pp.1-33. ⟨10.3934/eect.2013.2.1⟩. ⟨hal-03134858⟩

  • Article dans une revue

Photocatalytic solution discoloration and self-cleaning by polyester fabric functionalized with ZnO nanorods

Munir Ashraf, Philippe Champagne, Anne Perwuelz, Campagne Christine, Anne Leriche

Polyester fabric was functionalized with ZnO nanorods grown by hydrothermal method. The ZnO seeds were deposited on fabric which provided the sites for growth of nanorods. The functionalized fabric showed self-cleaning by degrading color stains and solution discoloration under the effect of...

Journal of Industrial Textiles, 2013, 44 (6), pp.884-898. ⟨10.1177/1528083713519662⟩. ⟨hal-03121037⟩

  • Chapitre d'ouvrage

Les céramiques pour l’électronique et l’électrotechnique

Catherine Elissalde, Sylvain Marinel, Jean-Claude Nièpce, Alain Beauger, Christian Eric Bruzek, Christian Courtois, Jean Denape, Jean Pierre Ganne, Arnaud Girard, Richard Lebourgeois, Mario Maglione, Jean-Frédéric Martin, Michel Paté

Ce chapitre est consacré au très vaste domaine des céramiques pour l’électronique et l’électrotechnique : céramiques résistives, conductrices, supraconductrices, diélectriques, magnétiques, linéaires ou non linéaires, piézoélectriques, multifonctionnelles. En perpétuelle évolution: de plus en...

Gilbert Fantozzi; Jean-Claude Nièpce; Guillaume Bonnefont. Les céramiques industrielles : propriétés, mise en forme et applications, Dunod, pp.269-321, 2013, 978-2-10-057739-2. ⟨hal-04163876⟩

  • Article dans une revue

Option pricing with constant elasticity of variance (CEV) model

Rajae Aboulaich, M. L. Hadji, Abdelilah Jraifi

In this work we propose an approximate numerical method for pricing of options for the constant elasticity of variance (CEV) diffusion model. We prove firstly the existence and uniqueness of the solution in weighted Sobolev space, and then we propose the finite element method and finite difference...

Applied Mathematical Sciences, 2013, 7 (109), pp.5443-5456. ⟨10.12988/ams.2013.36339⟩. ⟨hal-03135010⟩

  • Communication dans un congrès

Frittage micro-ondes en cavité monomode de biocéramiques

Etienne Savary, Anthony Thuault, Jean-Christophe Hornez, Michel Descamps, Sylvain Marinel, Anne Leriche

Le but premier de cette étude est de montrer la faisabilité du frittage direct en cavité micro-ondes monomode de deux biomatériaux céramiques : l'hydroxyapatite et le phosphate tri-calcique. Ainsi, cette étude montre que ce procédé a permis d'obtenir, en des temps très courts, inférieurs..., The main purpose of this study consists in investigating the direct microwaves sintering in a single mode cavity of two bioceramics: hydroxyapatite and tri-calcium phosphate. Thus, dense samples presenting fine microstructures are successfully obtained in less than 20 minutes of irradiation. The...

Journées Annuelles de la SF2M 2013 / SF2M Annual Meeting 2013, Oct 2013, Villeneuve d'Ascq, France. pp.04017, ⟨10.1051/matecconf/20130704017⟩. ⟨hal-02450325⟩

  • Article dans une revue

Residual-based a posteriori estimators for the T/Omega magnetodynamic harmonic formulation of the Maxwell system

Emmanuel Creusé, Serge Nicaise, Zuqi Tang, Yvonnick Le Menach, Nicolas Nemitz, Francis Piriou

In this paper, we focus on an a posteriori residual-based error estimator for the T/Omega magnetodynamic harmonic formulation of the Maxwell system. Similarly to the A/Phi formulation, the weak continuous and discrete formulations are established, and the well-posedness of both of them is addressed...

International Journal of Numerical Analysis and Modeling, 2013, 10 (2), pp.411-429. ⟨10.1142/S021820251150028X⟩. ⟨hal-00777601⟩

  • Communication dans un congrès

A MULTIDISCIPLINARY CLIENT-SERVER PLATFORM

Eric Cartignies, Jean-Charles Canonne, Jean-Paul Becar, Laurent Vermeiren, Fabrice Robert

The academic syllabus of the Electrical Enginering and industrial data processing taught inside the french Institutes of Technology offers a course called Industrial Ethernet and remote control with the internet. The aim of this module consists in making students more sensitive to the use of...

International Conference on Education, IADAT e2013, Jul 2013, BILBAO, Spain. ⟨hal-02521176⟩