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Affichage de 41 à 50 sur 567

  • Article dans une revue

A N-dimensional elastic$$\backslash $$viscoelastic transmission problem with Kelvin–Voigt damping and non smooth coefficient at the interface

Mohammad Akil, Ibtissam Issa, Ali Wehbe

We investigate the stabilization of a multidimensional system of coupled wave equations with only one Kelvin–Voigt damping. Using a unique continuation result based on a Carleman estimate and a general criteria of Arendt–Batty, we prove the strong stability of the system in the absence of the…

SeMA Journal: Boletin de la Sociedad Española de Matemática Aplicada, 2023, 80 (3), pp.425-462. ⟨10.1007/s40324-022-00297-y⟩. ⟨hal-04347031⟩

  • Article dans une revue

Stability results on the Kirchhoff plate equation with delay terms on the dynamical boundary controls

Mohammad Akil, Haidar Badawi, Serge Nicaise, Ali Wehbe

In this paper, we consider the Kirchhoff plate equation with delay terms on the dynam- ical boundary controls. We prove its well-posedness, strong stability, non-exponential stability, and polynomial stability under a multiplier geometric control condition.

Revista Matematica Complutense, 2023, 36 (3), pp.749-777. ⟨10.1007/s13163-022-00437-y⟩. ⟨hal-04347004⟩

  • Article dans une revue

Hyperbolic Radial Spanning Tree

David Coupier, Lucas Flammant, Viet Chi Tran

We define and analyze an extension to the d-dimensional hyperbolic space of the Radial Spanning Tree (RST) introduced by Baccelli and Bordenave in the two-dimensional Euclidean space (2007). In particular, we will focus on the description of the infinite branches of the tree. The properties of the…

Stochastic Processes and their Applications, 2023, 172, pp.104318. ⟨10.1016/j.spa.2024.104318⟩. ⟨hal-04257336⟩

  • Article dans une revue

Insight into the interactions of albumin with TiO2 nanomaterials and calcium phosphate-based biomaterials by kinetic adsorption and spectroscopic studies

Ina Erceg, Vida Strasser, Nicolas Somers, Marta Jurković, Jasminka Kontrec, Damir Kralj, Rinea Barbir, Ivana Vinković Vrček, Marie Lasgorceix, Anne Leriche, Maja Dutour Sikirić

Among key factors determining the fate of biomaterials in vivo are their interactions with blood serum proteins, which can lead to either successful integration or rejection/encapsulation. Although there are a number of studies investigating the interactions between proteins and bioimplants,…

Journal of Molecular Liquids, 2023, 383, pp.122122. ⟨10.1016/j.molliq.2023.122122⟩. ⟨hal-04313344⟩

  • Article dans une revue

Well-posedness and polynomial energy decay rate of a transmission problem for Rayleigh beam model with heat conduction

Mohammad Akil, Mouhammad Ghader, Zayd Hajjej, Mohamad Ali Sammoury

In this paper, we investigate the stability of the transmission problem for Rayleigh beam model with heat conduction. First, we reformulate our system into an evolution equation and prove our problem’s well-posedness. Next, we demonstrate the resolvent of the operator is compact in the energy space…

Asymptotic Analysis, 2023, pp.1-42. ⟨10.3233/ASY-231849⟩. ⟨hal-04346642⟩

  • Article dans une revue

Extraction and Physicochemical Characterization of an Environmentally Friendly Biopolymer: Chitosan for Composite Matrix Application

Meryiem Derraz, Abdelaziz Elouahli, Chouaib Ennawaoui, Mohamed Aymen Ben Achour, Abdelkader Rjafallah, El Mehdi Laadissi, Hamza Khallok, Zineb Hatim, Abdelowahed Hajjaji

Chitosan, which is a derivative of chitin, is particularly popular due to its biodegradable and renewable nature. However, the properties of chitosan can be inconsistent due to the extraction process and its natural origin, which poses a challenge to its use in composite materials as a matrix. The…

Journal of Composites Science, 2023, 7 (6), pp.260. ⟨10.3390/jcs7060260⟩. ⟨hal-04342124⟩

  • Article dans une revue

Energy harvesting by uniaxially-stretched poly(lactide) films at low tensile strain frequencies for powering wearable sensors: experimental results and theoretical extrapolation

Mohamed Aymen Ben Achour, Mohamed Rguiti, Cédric Samuel, Sophie Barrau, Marie-France Lacrampe, Christian Courtois

Poly(lactide) (PLA) is an eco-friendly and low-cost polymer with a shear piezoelectricity easily induced by uniaxial stretching and without poling process. These interesting features make PLA as a good candidate to replace the widely-used poly(vinylidene difluoride) (PVDF) piezoelectric polymer, in…

Smart Materials and Structures, 2023, Smart Materials and Structures, 32 (7), ⟨10.1088/1361-665x/acd972⟩. ⟨hal-04130906⟩

  • Article dans une revue

Microwave-assisted debinding of Al2O3 parts printed by stereolithography

Maria Canillas, Florian Jean, Anthony Thuault, Dominique Hautcoeur, Anne Leriche

Complex shapes pieces of Al2O3 can be rapidly shaped by SLA technology. However, debinding and sintering post-shaping steps still involve long working times. Sintering by microwave has been previously studied providing important time-saving in the fabrication processes and finer microstructures.…

Ceramics International, 2023, 49 (11), pp.18343-18352. ⟨10.1016/j.ceramint.2023.02.206⟩. ⟨hal-04281974⟩

  • Article dans une revue

Mathematical analysis of a thermodynamically consistent reduced model for iron corrosion

Clément Cancès, Claire Chainais-Hillairet, Benoît Merlet, Federica Raimondi, Juliette Venel

We are interested in a reduced model for corrosion of iron, in which ferric cations and electrons evolve in a fixed oxide layer subject to a self-consistent electrostatic potential. Reactions at the boundaries are modeled thanks to Butler-Volmer formulas, whereas the boundary conditions on the…

Zeitschrift für Angewandte Mathematik und Physik = Journal of Applied mathematics and physics = Journal de mathématiques et de physique appliquées, 2023, 74 (3), pp.96. ⟨10.1007/s00033-023-01970-6⟩. ⟨hal-03549457v2⟩

  • Article dans une revue

On the notion of ground state for nonlinear Schrödinger equations on metric graphs

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

We compare ground states for the nonlinear Schrödinger equation on metric graphs, defined as global minimizers of the action functional constrained on the Nehari manifold, and least action solutions, namely minimizers of the action among all solutions to the equation. In principle, four alternative…

Calculus of Variations and Partial Differential Equations, 2023, 62 (5), pp.159. ⟨10.1007/s00526-023-02497-4⟩. ⟨hal-03948682⟩