Publications

• Communication dans un congrès

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⟩

• Article dans une revue

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⟩

• Pré-publication, Document de travail

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⟩

• Article dans une revue

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⟩

• Communication dans un congrès

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⟩

• Communication dans un congrès

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⟩

• Article dans une revue

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⟩

• Article dans une revue

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⟩

• Article dans une revue

Mg2+, Sr2+, Ag+, and Cu2+ co-doped beta-tricalcium phosphate: Improved thermal stability and mechanical and biological properties

Nicolas Somers, Florian Jean, Marie Lasgorceix, Giovanni Urruth, Sandra Balvay, Claire Gaillard, Laurent Gremillard, Anne Leriche

β-tricalcium phosphate (β-TCP, β-Ca3(PO4)2) is an attractive biomaterial for bone repair applications. However, its sintering and mechanical properties are limited by a problematic phase transition to α-TCP. Cationic doping of β-TCP is able to postpone the formation of α-TCP allowing higher…

Journal of the American Ceramic Society, 2023, 106 (7), pp.4061-4075. ⟨10.1111/jace.19093⟩. ⟨hal-04103197⟩

• Article dans une revue

Morphological, piezoelectric and dielectric properties of piezoelectric lead-free ceramic Bi4Ti3O12 for energy harvesting applications: milling process effects

Meryiem Derraz, Chouaib Ennawaoui, Mohamed Aymen Ben Achour, Abdelowahed Hajjaji, El Mehdi Laadissi, Younes Chhiti, Az Eddine Azim, Charafeddine Jama

A lead-free piezoelectric ceramic, Bismuth titanate (Bi4Ti3O12), is synthesized as an environmentally friendly alternative to the commonly used Lead Zirconate Titanate (PZT). This study focuses on investigating the effects of processing conditions on the morphological and structural properties of…

Matériaux et Techniques, 2023, Matériaux & Techniques, 111 (5-6), pp.502. ⟨10.1051/mattech/2024005⟩. ⟨hal-04526617⟩