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Affichage de 121 à 130 sur 596

Article dans une revue

A Comparative EPR Study of Non-Substituted and Mg-Substituted Hydroxyapatite Behaviour in Model Media and during Accelerated Ageing

Monica Vidotto, Timor Grego, Bozana Petrovic, Nicolas Somers, Tatjana Antonic Jelic, Damir Kralj, Nives Matijakovic Mlinaric, Anne Leriche, Maja Dutour Sikirić, Ina Erceg, Nadica Maltar-Strmečki

To assess the application potential of novel biomaterials, their behaviour in model media and upon sterilization should be investigated, as well as the stability related to their storage conditions. Such data are lacking for Mg-substituted HAP (Mg-HAP). Therefore, the changes in the local structure…

Crystals, 2022, 12 (2), pp.297. ⟨10.3390/cryst12020297⟩. ⟨hal-04491859⟩

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Multioutput Gaussian processes with functional data: A study on coastal flood hazard assessment

Andrés F. López-Lopera, Déborah Idier, Jeremy Rohmer, François Bachoc

Surrogate models are often used to replace costly-to-evaluate complex coastal codes to achieve substantial computational savings. In many of those models, the hydrometeorological forcing conditions (inputs) or flood events (outputs) are conveniently parameterized by scalar representations,…

Reliability Engineering and System Safety, 2022, 218, pp.108139. ⟨10.1016/j.ress.2021.108139⟩. ⟨hal-03412417v2⟩

Article dans une revue

On Levi flat hypersurfaces with transversely affine foliation

Séverine Biard, Masanori Adachi

We prove the non-existence of real analytic Levi flat hypersurface whose complement is 1-convex and Levi foliation is transversely affine in a compact Kähler surface.

Mathematische Zeitschrift, In press, pp.1-12. ⟨10.1007/s00209-021-02927-z⟩. ⟨hal-03519349⟩

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The influence of the physical coefficients of a Bresse system with one singular local viscous damping in the longitudinal displacement on its stabilization

Mohammad Akil, Haidar Badawi

In this paper, we investigate the stabilization of a linear Bresse system with one singular local frictional damping acting in the longitudinal displacement, under fully Dirichlet boundary conditions. First, we prove the strong stability of our system. Next, using a frequency domain approach…

Evolution Equations and Control Theory, 2022, 11 (6), pp.1903-1928. ⟨10.3934/eect.2022004⟩. ⟨hal-04347040⟩

Article dans une revue

The coupled heat Maxwell equations with temperature-dependent permittivity

Tonia-Maria Alam, Luc Paquet

We consider the heat equation coupled with the Maxwell system, the Ampère- Maxwell equation being coupled to the heat equation by the permittivity, which depends on the temperature due to thermal agitation, and the heat equation being coupled to the Maxwell system by the volumic heat source term.…

Journal of Mathematical Analysis and Applications, 2022, 505 (1), 50 p. ⟨10.1016/j.jmaa.2021.125472⟩. ⟨hal-03722137⟩

Article dans une revue

Deep Gaussian Process for the Approximation of a Quadratic Eigenvalue Problem: Application to Friction-Induced Vibration

Jeremy Sadet, Franck Massa, Thierry Tison, El-Ghazali Talbi, Isabelle Turpin

Despite numerous works over the past two decades, friction-induced vibrations, especially braking noises, are a major issue for transportation manufacturers as well as for the scientific community. To study these fugitive phenomena, the engineers need numerical methods to efficiently predict the…

Vibration, 2022, 5 (2), pp.344-369. ⟨10.3390/vibration5020020⟩. ⟨hal-03700618⟩

Article dans une revue

Wavenumber explicit convergence analysis for finite element discretizations of time-harmonic wave propagation problems with perfectly matched layers

Théophile Chaumont-Frelet, Dietmar Gallistl, Serge Nicaise, Jérôme Tomezyk

The first part of this paper is devoted to a wavenumber-explicit stability analysis of a planar Helmholtz problem with a perfectly matched layer. We prove that, for a model scattering problem, the H1 norm of the solution is bounded by the right-hand side, uniformly in the wavenumber k in the highly…

Communications in Mathematical Sciences, 2022, 20 (1), pp.1-52. ⟨10.4310/CMS.2022.v20.n1.a1⟩. ⟨hal-01887267⟩

Article dans une revue

Assembly of SBA-15 into hierarchical porous monoliths replicating polymeric scaffolds

Rıdvan Yildiz, Yannick Lorgouilloux, Jérémy Dhainaut, Carmen Ciotonea, Jean-Philippe Dacquin, Sébastien Royer, Christian Courtois

This study reports the preparation of highly porous, SBA-15-based monolithic materials with pore sizes spanning over four scales (micro-/meso-/small macro-/large macro-pores). Two approaches were explored. The first one involves the preparation of PMMA scaffolds obtained from chemically-bonded…

Microporous and Mesoporous Materials, 2022, 337, pp.111908. ⟨10.1016/j.micromeso.2022.111908⟩. ⟨hal-03644995⟩

Article dans une revue

Exponential and polynomial stability results for networks of elastic and thermo-elastic rods

Alaa Hayek, Serge Nicaise, Zaynab Salloum, Ali Wehbe

<p style='text-indent:20px;'>In this paper, we investigate a network of elastic and thermo-elastic materials. On each thermo-elastic edge, we consider two coupled wave equations such that one of them is damped via a coupling with a heat equation. On each elastic edge (undamped), we…

Discrete and Continuous Dynamical Systems - Series S, 2022, 15 (5), pp.1183. ⟨10.3934/dcdss.2021142⟩. ⟨hal-04304871⟩

Article dans une revue

Existence results for the $\mathbf{A}-\varphi-\mathbf{B}$ magnetodynamic formulation of the Maxwell system with skin and proximity effects

Emmanuel Creusé, Serge Nicaise, Ruth V Sabariego

The $\mathbf{A}-\varphi-\mathbf{B}$ magnetodynamic Maxwell system given in its potential and space-time formulation is a popular model considered in the engineering community. It allows to model some phenomena such as eddy current losses in multiple turn winding. Indeed, in some cases, they can…

Applicable Analysis, 2022, 101 (8), pp.3103-3121. ⟨10.1080/00036811.2020.1836351⟩. ⟨hal-03122785⟩