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Article dans une revue

Radiative heating of a glass plate: the semi-discrete problem

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⟩

Thèse

Influence de l'architecture macroporeuse en phosphate de calcium sur le comportement cellulaire in vitro, The influence of a calcium phosphate macroporous architecture on cellular behavior in vitro

Shaan Chamary

Les phosphates de calcium tels que le β-TCP sont utilisés depuis des décennies comme substitut osseux synthétique. Leurs bonnes propriétés chimiques et leur comportement analogue au tissu osseux in vivo et in vitro peuvent être améliorés par la technique de mise en forme employée. Il est aujourd..., Calcium phosphates such as β-TCP have been used for decades as synthetic bone substitutes. Its good chemical properties and its similar behavior to that of the bone in vivo and in vitro can be enhanced by the chosen shaping method. It is nowadays largely accepted that an optimized porous...

Autre. Université de Valenciennes et du Hainaut-Cambresis, 2018. Français. ⟨NNT : 2018VALE0006⟩. ⟨tel-01822768v2⟩

Article dans une revue

Processing and Characterization of Polyamide/Lead Zirconium Titanate Composite for Sensing and Actuating Applications

Rida Farhan, Mohamed Rguiti, Adil Eddiai, M’hammed Mazroui, Mounir Meddad, Christian Courtois

Piezoelectric composites made from at low percentage of lead zirconium titanate (PZT) particles as filler and a polyamide-6 as the matrix were prepared by solutions casting and studied for their piezoelectric, dielectric, mechanical and structural properties. It was found that the incorporation of...

Sensor letters, 2018, 16 (2), pp.151-156. ⟨10.1166/sl.2018.3928⟩. ⟨hal-03477008⟩

Article dans une revue

Resonantly pumped eye-safe Er 3+ : YAG SPS-HIP ceramic laser

S. Bigotta, L. Galecki, Aurelien Katz, Judith Böhmler, Sébastien Lemonnier, Elodie Barraud, Anne Leriche, M. Eichhorn

We report for the first time laser action in resonantly-pumped transparent polycrystalline Er3+:YAG ceramic developed through a 2-step approach combining spark plasma sintering and HIP post treatment. Microstructural and spectroscopic properties, as well as the laser performance of large scale 0....

Optics Express, 2018, 26 (3), 8 p. ⟨10.1364/OE.26.003435⟩. ⟨hal-03477158⟩

Article dans une revue

Effect of fillers size on the dielectric and piezoelectric characteristics of a piezoelectric composite

Sarah Aboubakr, Abdelowahed Hajjaji, Mohamed Rguiti, Khalil Benkhouja, Christian Courtois, Y. Boughaleb

Recent trends in electromechanical conversion using alternative materials, have demonstrated the advantages of using piezoelectric composites for energy generation. There have been several papers on ceramic/polymer composites in which the fillers have high piezoelectric constant. Basically, the...

European Physical Journal: Applied Physics, 2018, 81 (2), pp.20901. ⟨10.1051/epjap/2018170204⟩. ⟨hal-03478740⟩

Thèse

Algebraic-trigonometric Pythagorean hodograph curves for solving planar and spatial interpolation problems and their use for visualizing dental information within 3D tomographic volumes, Les courbes algébriques trigonométriques à hodographe pythagorien pour résoudre des problèmes d'interpolation deux et trois-dimensionnels et leur utilisation pour visualiser les informations dentaires dans des volumes tomographiques 3D

Cindy González

Interpolation problems have been widely studied in Computer Aided Geometric Design (CAGD). They consist in the construction of curves and surfaces that pass exactly through a given data set, such as point clouds, tangents, curvatures, lines/planes, etc. In general, these curves and surfaces are..., Les problèmes d'interpolation ont été largement étudiés dans la Conception Géométrique Assistée par Ordinateur. Ces problèmes consistent en la construction de courbes et de surfaces qui passent exactement par un ensemble de données. Dans ce cadre, l'objectif principal de cette thèse est...

Algebraic Geometry [math.AG]. Université de Valenciennes et du Hainaut-Cambresis, 2018. English. ⟨NNT : 2018VALE0001⟩. ⟨tel-01789081⟩

Communication dans un congrès

Dental information along curved slices

Cindy González, Ma. I. Pérez, Marianela Lentini, D. Ríos, Gudrun Albrecht, Marco Paluszny

Within the family of ruled surfaces, the developable curved slices have a special property: they may be flattened without deformation. In this paper we introduce a technique to visualize information encoded in a 3D tomographic volume along such a curved slice. This property is deemed useful in...

Computing Conference 2017, Jul 2017, London, United Kingdom. ⟨10.1109/SAI.2017.8252279⟩. ⟨hal-03149552⟩

Article dans une revue

Properties of the nearly kähler S3×S3

Marilena Moruz, Luc Vrancken

We show how the metric, the almost complex structure and the almost product structure of the homogeneous nearly Kahler S3 × S3 can be recovered from a submersion π : S3 × S3 × S3 → S3 × S3. On S3 × S3 × S3 we have the maps obtained either by changing two coordinates, or by cyclic permutations. We...

Publications de l'Institut Mathématique., 2018, 103 (117), pp.147-158. ⟨10.2298/PIM1817147M⟩. ⟨hal-03184977⟩

Article dans une revue

New System to Harvest Road Energy Using Piezoelectric Polymers

Chouaib Ennawaoui, Houda Lifi, Abdelowahed Hajjaji, Az-Eddine Azim, Abdessamad Elballouti, Mohamed Rguiti

Green energy is regarded as an essential element for energy production, sustainable development, technological, industrial, and governmental innovations in the world. An increase in the green energy consumption often provides a positive impact on economic growth and social development. A great deal...

Sensor letters, 2018, 16 (1), pp.41-47. ⟨10.1166/sl.2018.3932⟩. ⟨hal-03477106⟩

Article dans une revue

Crystal structures of Na1.85Mg1.85In1.15(PO4)3 and Ag1 .69In1.31(PO4)3 with alluaudite-type structure

Ahmed Ould Saleck, Abderrazzak Assani, Mohamed Saadi, Cyrille Mercier, Claudine Follet, Lahcen El Ammari

Single crystals of two new phosphates, sodium magnesium indium(III) tris(orthophosphate) and silver magnesium indium(III) tris(orthophosphate), were obtained from solid-state reactions. The two phosphates are isotypic and exhibit alluaudite-type structures. They are characterized by a cationic...

Acta crystallographica Section E : Crystallographic communications [2015-..], 2018, E74, pp.1358-1361. ⟨10.1107/S2056989018011799⟩. ⟨hal-04318727⟩