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Affichage de 811 à 820 sur 1041

Article dans une revue

Classical and Relaxor Ferroelectric Behavior of Titanate of Barium and Zirconium Ceramics

Amina Tachafine, A. Aoujgal, Mohamed Rguiti, M.P.F. Graca, L.C. Costa, Abdelkader Outzourhit, Jean-Claude Carru

BaZrxTi1-xO3 (BZT) (x = 0 to 1) and BaZr0.05Ti0.95-y(Zn1/3Nb2/3)yO3 (BZT(ZnNb)) (y = 0 to 0.1) ceramics were prepared by the conventional solid-solid reaction method. The structural, ferroelectric and dielectric properties of BZT ceramics were studied as well as the dielectric properties of the BZT…

Spectroscopy Letters : An International Journal for Rapid Communication, 2014, Special Issue: Fourth International Meeting on Dielectric Materials (IMDM'4) Marrakech, Morocco, May 29-31, 2013 Submit an article Journal homepage, 47 (5), pp.404-410. ⟨10.1080/00387010.2013.872664⟩. ⟨hal-03122804⟩

Article dans une revue

A coupled Maxwell integrodifferential model for magnetization processes

Serge Nicaise, Fredi Tröltzsch

A mathematical model for instationary magnetization processes is considered, where the underlying spatial domain includes electrically conducting and nonconducting regions. The model accounts for the magnetic induction law that couples the given electrical voltage with the induced electrical…

Mathematical News / Mathematische Nachrichten, 2014, 287 (4), pp.432-452. ⟨10.1002/mana.201200206⟩. ⟨hal-03166126⟩

Article dans une revue

Space-time residual-based a posteriori estimators for the A/Phi magneto dynamic formulation of the Maxwell system

Emmanuel Creusé, Serge Nicaise, Roberta Tittarelli

In this paper, an a posteriori residual error estimator is proposed for the A/Phi magnetodynamic Maxwell system given in its potential and space/time formulation and solved by a Finite Element method. The reliability as well as the e ciency of the estimator are established for several norms. Then,…

Computational Methods in Applied Mathematics, 2014, 14 (4), pp.429-460. ⟨10.1515/cmam-2014-0015⟩. ⟨hal-00921116⟩

Article dans une revue

Algebraic-trigonometric Pythagorean-hodograph curves and their use for Hermite interpolation

Lucia Romani, Laura Saini, Gudrun Albrecht

In this article we define a new class of Pythagorean-Hodograph curves built-upon a six-dimensional mixed algebraic-trigonometric space, we show their fundamental properties and compare them with their well-known quintic polynomial counterpart. A complex representation for these curves is introduced…

Advances in Computational Mathematics, 2014, 40 (5-6), pp.977-1010. ⟨10.1007/s10444-013-9338-8⟩. ⟨hal-03151851⟩

Communication dans un congrès

Développement de capteurs interdigités souples pour le contrôle de structures

Rafatou Takpara, Dame Fall, Marc Duquennoy, Christian Courtois, Mohamed Rguiti, Laurent Seronveaux, D. Monnoye, Gregory Martic, Véronique Lardot, M. Gonon, N. Maury, Christine Pelegris, M. Guessasma, N. Ferguen, E. Bellenger

12ème Congrès Français d'Acoustique, CFA 2014, 2014, Poitiers, France. Session APUS2-2 : Contrôles et essais non-destructifs II, papier CFA2014/327, 536-539. ⟨hal-00978411⟩