Publications

• POSTER

Consolidation à basse température d’hydroxyapatite nanométrique

Muthusundar Kumar, Mohamed Aymen Ben Achour, Marie Lasgorceix, Paulo Quadros, Rosica Mincheva, Jean-Marie Raquez, Anne Leriche

Le "cold sintering process" (CSP), est un procédé innovant permettant la consolidation de céramiques à des températures inférieures à 300°C. Cette réduction considérable de la température de frittage est rendue possible par la présence d’une phase liquide transitoire et par l’application…

GFC 2023, Mar 2023, Limoges, France. ⟨hal-04390729⟩

• POSTER

Caractérisation thermomécanique de vitrocéramiques polaires destinées à la réalisation de dispositifs SAW fonctionnels à haute température

Oussama Zwein, Maurice Gonon, Dame Fall, Nikolay Smagin, Marc Duquennoy, Sandra Abdelouhab

Journées du Groupe Français de la Céramique, GFC 2023, Mar 2023, Limoge, France. . ⟨hal-04429504⟩

• COMM

Jointure G 2 de deux courbes par une courbe de Bézier rationnelle à points massiques de contrôle

Lionel Garnier, Jean-Paul Becar, Laurent Fuchs

Cet article s'intéresse aux jointures entre deux courbes données par une courbe de Bézier rationnelle quintique à points massiques de contrôle. Pour ce faire, les propriétés différentielles de ces courbes de Bézier fournissent les formules de calcul des courbures en 0 et 1 ainsi que le cercle…

Journées du Groupe de Travail en Modélisation Géométrique 2023 ( GTMG 2023), Mar 2023, Strasbourg, France. ⟨hal-04051026⟩

• ART

Comparison of nonlinear field-split preconditioners for two-phase flow in heterogeneous porous media

Mamadou N'Diaye, Francois P. Hamon, Hamdi A. Tchelepi

This work focuses on the development of a two-step field-split nonlinear preconditioner to accelerate the convergence of two-phase flow and transport in heterogeneous porous media. We propose a field-split algorithm named Field-Split Multiplicative Schwarz Newton (FSMSN), consisting in two steps:…

Computational Geosciences, 2023, 27, ⟨10.1007/s10596-023-10200-x⟩. ⟨hal-04454790⟩

• UNDEFINED

STABILITY RESULTS FOR NOVEL SERIALLY-CONNECTED MAGNETIZABLE PIEZOELECTRIC AND ELASTIC SMART-SYSTEM DESIGNS

Mohammad Akil, Serge Nicaise, Ahmet Özkan Özer, Virginie Régnier

In this paper, the stability of longitudinal vibrations for transmission problems of two smart-system designs are studied: (i) a serially-connected Elastic-Piezoelectric-Elastic design with a local damping acting only on the piezoelectric layer and (ii) a serially-connected Piezoelectric-Elastic…

2024. ⟨hal-04413614⟩

• ART

Study of neck formation and densification in porous hydroxyapatite ceramics using thermal conductivity measurements

David Stanley Smith, Pierre Lefeuvre, Maxence Renaux, Benoît Nait-Ali, Anne Leriche

Neck formation and densification during sintering have strong effects on the thermal conductivity of a porous ceramic body. This has been described by an analytical model using grain conductivity, grain size, pore fraction and particle – particle contact area as input parameters. It has been tested…

Open Ceramics, 2023, 13, pp.100329. ⟨10.1016/j.oceram.2023.100329⟩. ⟨hal-04491939⟩

• COMM

Effect of sodium on bioactive glass for medical application

Halima El Bouami, Assia Mabrouk, Cyrille Mercier, Claudine Follet, Ahmed Bachar

ICPEM2023, Feb 2023, Agadir, Morocco. ⟨hal-04318762⟩

• COMM

Topological Data Structure: The Fast Marching Example

Sofian Toujja, Thierry Bay, Hakim Belhaouari, Laurent Fuchs

This article lies in the field of front propagation algorithms on a surface represented by triangle meshes. An implementation of the fast marching algorithm using a topological structure, the generalized maps or gmaps, as the data structure of the mesh is presented. G-maps have the advantage of…

18th International Conference on Computer Graphics Theory and Applications (GRAPP 2023), Feb 2023, Lisbon, France. pp.206-213, ⟨10.5220/0011686800003417⟩. ⟨hal-04350140⟩

• ART

Stabilization of the generalized Rao‐Nakra beam by partial viscous damping

Mohammad Akil, Zhuangyi Liu

In this paper, we consider the stabilization of the generalized Rao‐Nakra beam equation, which consists of four wave equations for the longitudinal displacements and the shear angle of the top and bottom layers and one Euler–Bernoulli beam equation for the transversal displacement. Dissipative…

Mathematical Methods in the Applied Sciences, 2023, 46 (2), pp.1479-1510. ⟨10.1002/mma.8591⟩. ⟨hal-04347014⟩

• ART

How are alkali-activated materials impacted by incorporating low viscosity organic liquids?

Charles Reeb, Catherine A. Davy, Matthieu de Campos, Jérôme Hosdez, Christel Pierlot, Cyrille Albert-Mercier, David Lambertin

This research determines an adequate alkali-activated material (AAM) for the incorporation of huge amounts (20 or 40% vol) of low viscosity organic liquids (LVOL), e.g. for waste stabilization/solidification. The selected AAM are either based on high-Ca content blast furnace slag, or on low Ca-…

Materials and structures, 2023, 56 (1), pp.11. ⟨10.1617/s11527-022-02089-2⟩. ⟨hal-04491967⟩