Search Results - "Navoret, Laurent"

Recurrence Phenomenon for Vlasov-Poisson Simulations on Regular Finite Element Mesh by Michel Mehrenberger, Michel Mehrenberger, Laurent Navoret, Laurent Navoret, Nhung Pham, Nhung Pham

“…In this paper, we focus on one difficulty arising in the numerical simulationof the Vlasov-Poisson system: when using a regular grid-based solver with…”
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Optimal scenario for road evacuation in an urban environment by Bestard, Mickael, Franck, Emmanuel, Navoret, Laurent, Privat, Yannick

“…How to free a road from vehicle traffic as efficiently as possible and in a given time, in order to allow for example the passage of emergency vehicles? We are…”
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Vectorial Kinetic Relaxation Model with Central Velocity. Application to Implicit Relaxations Schemes by David Coulette, David Coulette, Clémentine Courtès, Clémentine Courtès, Emmanuel Franck, Emmanuel Franck, Laurent Navoret, Laurent Navoret

“…We apply flux vector splitting (FVS) strategy to the implicit kinetic schemes for hyperbolic systems. It enables to increase the accuracy of the method compared…”
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Cell migration in complex environments: chemotaxis and topographical obstacles by Cucchi, Alessandro, Etchegaray, Christèle, Meunier, Nicolas, Navoret, Laurent, Sabbagh, Lamis

“…Cell migration is a complex phenomenon that plays an important role in many biological processes. Our aim here is to build and study models of reduced…”
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Numerical stability of a plasma sheath by Badsi, Mehdi, Mehrenberger, Michel, Navoret, Laurent

“…We are interested in developing a numerical method for capturing stationary sheaths, that a plasma forms in contact with a metallic wall. This work is based on…”
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Hyperbolic approximation of the fourier transformed vlasov equation by Dhersin, Jean-Stéphane, Pham, Nhung, Helluy, Philippe, Navoret, Laurent

“…We construct an hyperbolic approximation of the Fourier transformed Vlasov equation in which the dependency on the spectral-velocity variable is removed. The…”
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Lagrangian/Eulerian solvers and simulations for Vlasov-Poisson by Guisset, Sebastien, Gutnic, Michael, Helluy, Philippe, Massaro, Michel, Navoret, Laurent, Pham, Nhung, Roberts, Malcolm

“…We construct a hyperbolic approximation of the Vlasov equation using a method of reduction [10, 14, 22] in which the dependency on the velocity variable is…”
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Approximately well-balanced Discontinuous Galerkin methods using bases enriched with Physics-Informed Neural Networks by Franck, Emmanuel, Michel-Dansac, Victor, Navoret, Laurent

“…This work concerns the enrichment of Discontinuous Galerkin (DG) bases, so that the resulting scheme provides a much better approximation of steady solutions…”
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An Optimal Control Deep Learning Method to Design Artificial Viscosities for Discontinuous Galerkin Schemes by Bois, Léo, Franck, Emmanuel, Navoret, Laurent, Vigon, Vincent

“…In this paper, we propose a method for constructing a neural network viscosity in order to reduce the non-physical oscillations generated by high-order…”
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Optimal scenario for road evacuation in an urban environment by Bestard, Mickael, Franck, Emmanuel, Navoret, Laurent, Privat, Yannick

“…How to free a road from vehicle traffic as efficiently as possible and in a given time, in order to allow for example the passage of emergency vehicles? We are…”
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A Low Cost Semi-implicit Low-Mach Relaxation Scheme for the Full Euler Equations by Bouchut, François, Franck, Emmanuel, Navoret, Laurent

“…We introduce a semi-implicit two-speed relaxation scheme to solve the compressible Euler equations in the low Mach regime. The scheme involves a relaxation…”
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Finite volume approximations of the Euler system with variable congestion by Degond, Pierre, Minakowski, Piotr, Navoret, Laurent, Zatorska, Ewelina

“…•We develop asymptotic preserving schemes for Euler system with variable congestion.•Finite Volume schemes of first and second order in time and space are…”
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High-order implicit palindromic discontinuous Galerkin method for kinetic-relaxation approximation by Coulette, David, Franck, Emmanuel, Helluy, Philippe, Mehrenberger, Michel, Navoret, Laurent

“…•Matrix-free with StarPu parallelization DG scheme for advection.•CFL-free and Matrix-free DG scheme for hyperbolic conservation laws.•High-order expansion in…”
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Numerical simulations of the Euler system with congestion constraint by Degond, Pierre, Hua, Jiale, Navoret, Laurent

“…In this paper, we study the numerical simulations for Euler system with maximal density constraint. This model is developed in [6,17] with the constraint…”
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Spontaneous rotations in epithelia as an interplay between cell polarity and boundaries by Lo Vecchio, S., Pertz, O., Szopos, M., Navoret, L., Riveline, D.

“…Directional flows of cells have been observed during development in a variety of systems ranging from Drosophila to zebrafish. These flows shape living matter…”
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A 1D model of leukocyte adhesion coupling bond dynamics with blood velocity by Grec, Bérénice, Maury, Bertrand, Meunier, Nicolas, Navoret, Laurent

“…Cell adhesion on the vascular wall is a highly coupled process where blood flow and adhesion dynamics are closely linked. Cell dynamics in the vicinity of the…”
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Editorial of CEMRACS 2022 by Franck, Emmanuel, Hivert, Hélène, Latu, Guillaume, Leman, Hélène, Maury, Bertrand, Mehrenberger, Michel, Navoret, Laurent

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Hyperbolic reduced model for Vlasov-Poisson equation with Fokker-Planck collision by Franck, Emmanuel, Labanni, Ibtissem, Nasseri, Youssouf, Navoret, Laurent, Parasiliti Rantone, Giuseppe, Steimer, Guillaume

“…This paper proposes a reduced model to simulate the one-dimensional Vlasov-Poisson equation with the non-linear Fokker-Planck operator. The model provides the…”
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Reduced modelling and optimal control of epidemiological individual‐based models with contact heterogeneity by Courtès, C., Franck, E., Lutz, K., Navoret, L., Privat, Y.

“…Summary Modelling epidemics using classical population‐based models suffers from shortcomings that so‐called individual‐based models are able to overcome, as…”
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Asymptotic-Preserving Particle-In-Cell method for the Vlasov–Poisson system near quasineutrality by Degond, Pierre, Deluzet, Fabrice, Navoret, Laurent, Sun, An-Bang, Vignal, Marie-Hélène

“…This paper deals with the numerical resolution of the Vlasov–Poisson system in a nearly quasineutral regime by Particle-In-Cell (PIC) methods. In this regime,…”
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