Publications

• Article dans une revue

A Python Toolbox for Data-Driven Aerodynamic Modeling Using Sparse Gaussian Processes, Une boîte à outils Python pour la modélisation aérodynamique basée sur les données à l'aide de processus gaussiens creux

Hugo Valayer, Nathalie Bartoli, Mauricio Castaño-Aguirre, Rémi Lafage, Thierry Lefebvre, Andrés López-Lopera, Sylvain Mouton

In aerodynamics, characterizing the aerodynamic behavior of aircraft typically requires a large number of observation data points. Real experiments can generate thousands of data points with suitable accuracy, but they are time-consuming and resource-intensive. Consequently, conducting real…

Aerospace, 2024, 11 (4), pp.260. ⟨10.3390/aerospace11040260⟩. ⟨hal-04673602⟩

• Communication dans un congrès

Courbes de Bézier à points massiques et à masses complexes pour la modélisation de lettres cursives

Lionel Garnier, Jean-Paul Bécar

<div><p>Cet article présente les nombres complexes massiques qui sont les complexes usuels auxquels nous ajoutons un poids complexe ω. Si ce dernier est nul, nous obtenons des vecteurs, sinon, nous obtenons un point muni du poids ω. Ces nombres complexes massiques sont ensuite des…

G.T.M.G. 2024, Mar 2024, Marseille, France. ⟨hal-04922187⟩

• Poster de conférence

Processus de fabrication de pièces céramiques piézoélectriques par FDM, Piezoelectric ceramic parts manufacturing process by FDM

Soufyane Satha, Mohamed Aymen Ben Achour, Mohamed Rguiti, Christian Courtois

L'objectif de notre étude est la fabrication de structures piézoélectriques complexes en 3d en céramiques et composites sans plomb, pour des applications capteurs et transducteurs à l’aide de la technique fused deposition modeling “FDM”. Cette technique consiste en l’extrusion à chaud d’un…, The objective of our study is the fabrication of complex 3D piezoelectric structures in lead-free ceramics and composites, for sensor and transducer applications using the fused deposition modeling “FDM” technique. This technique consists of the hot extrusion of a thermoplastic filament consisting…

Mardi des chercheurs 2024, Mar 2024, Mons, Belgique. ⟨10.1016/j.scriptamat.2024.115994⟩. ⟨hal-04544805⟩

• Poster de conférence

The Nonlinear Schrödinger Equation on Metric Graphs

Colette De Coster, Simone Dovetta, Damien Galant, Enrico Serra, Christophe Troestler

Mardi des chercheurs 2024, Mar 2024, Mons, Belgium. ⟨hal-04550177⟩

• Poster de conférence

Challenges in the synthesis &amp; optical characterization of 2D ferroelectric Ba0.85Ca0.15Ti0.9Zr0.1O3 by RF sputtering

Yusuf K Bostan, Florian Jean, Denis Remiens, Jing Hua Teng, El Hadj Dogheche

Ferroelectric materials, such as BaTiO₃ and (Ba,Ca)(Ti,Zr)O₃ (BCTZ), are essential in modern technology, thanks to their permanent electrical dipoles and unique properties like piezoelectricity. These lead-free perovskites are especially valuable, offering tunability for advanced applications such…

Mardi des Chercheurs, Mar 2024, Mons, Belgium. 2024. ⟨hal-04622518⟩

• Pré-publication, Document de travail

Infinitely many normalized solutions of $L^2$-supercritical NLS equations on noncompact metric graphs with localized nonlinearities

Pablo Carrillo, Damien Galant, Louis Jeanjean, Christophe Troestler

We consider the existence of solutions for nonlinear Schr\"odinger equations on noncompact metric graphs with localized nonlinearities. In an $L^2$-supercritical regime, we establish the existence of infinitely many solutions for any prescribed mass.

2024. ⟨hal-04590083⟩

• Pré-publication, Document de travail

Frequency-explicit stability estimates for time-harmonic elastodynamic problems in nearly incompressible materials

Théophile Chaumont-Frelet, Serge Nicaise

2024. ⟨hal-04500252⟩

• Article dans une revue

Virome release of an invasive exotic plant species in southern France

Oumaima Moubset, Denis Filloux, Hugo Fontes, Charlotte Julian, Emmanuel Fernandez, Serge Galzi, Laurence Blondin, Sélim Ben Chehida, Jean-Michel Lett, François Mesléard, Simona Kraberger, Joy M Custer, Andrew Salywon, Elizabeth Makings, Armelle Marais, Frédéric Chiroleu, Pierre Lefeuvre, Darren P Martin, Thierry Candresse, Arvind Varsani, Virginie Ravigné, Philippe Roumagnac

The increase in human-mediated introduction of plant species to new regions has resulted in a rise of invasive exotic plant species (IEPS) that has had significant effects on biodiversity and ecosystem processes. One commonly accepted mechanism of invasions is that proposed by the enemy release…

Virus Evolution, 2024, 10 (1), pp.veae025. ⟨10.1093/ve/veae025⟩. ⟨hal-04562106⟩

• Article dans une revue

Densification of hydroxyapatite through cold sintering process: Role of liquid phase chemistry and physical characteristic of HA powder

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

Hydroxyapatite is a well-known bioactive material widely employed in bone regeneration applications. Densifying hydroxyapatite at the nanoscale remains challenging with conventional sintering methods. This investigation focuses on the densification of commercially available nano-hydroxyapatite…

Open Ceramics, 2024, 17, ⟨10.1016/j.oceram.2024.100566⟩. ⟨hal-04542434⟩

• Pré-publication, Document de travail

Sur les suites des descendants d'un polygone

Aziz El Kacimi Alaoui, Abdellatif Zeggar

Soient P = [A_1 , ..., A_n ] un n-polygone (avec n ≥ 4) du plan euclidien E et λ un réel dans l'intervalle ]0, 1[. On note P_1 = [A′_1 , • • • , A′_n ] le n-polygone dont les sommets A′_1 , • • • , A′_n sont les λ-barycentres A′_k = (1-λ)A_k + λA_{k+1} , avec 1 ≤ k ≤ n et A_{n+1} = A_1 ; on…

2024. ⟨hal-04444952⟩