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Associate professor at Montpellier University
Topics of interest
- Numerical analysis
- High-order schemes
- Discontinuous Galerkin discretization
- Multidimensional Riemann solvers
- Positivity preservation
- Entropic solutions
- Stability analysis (G-K-S theory)
- Scientific computing
- Hyperbolic systems of PDEs
- Local subcell correction technique
- Gas dynamics
- Updated and total Lagrangian formalisms
- Solid dynamics in high deformations
- Inverse Lax-Wendroff boundary conditions

Articles
F. Vilar, Local subcell monolithic DG/FV convex property preserving scheme on unstructured grids and entropy consideration. Journal of Computational Physics, 521:113535, 2024.
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A. Haidar, F. Marche and F. Vilar, A robust DG-ALE formulation for nonlinear shallow-water interactions with a floating object. Journal of Scientific Computing, article accepted, 2024.
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A. Haidar, F. Marche and F. Vilar, Free-boundary problems for wave-structure interactions in shallow-water: DG-ALE description and local subcell correction. Journal of Scientific Computing, 98, 45, 2024.
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F. Vilar and R. Abgrall, A posteriori local subcell correction of high-order discontinuous Galerkin scheme for conservation laws on two-dimensional unstructured grids. SIAM Journal on Scientific Computing, 46(2):A851 A883, 2024.
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A. Haidar, F. Marche and F. Vilar, A posteriori Finite-Volume local subcell correction of high-order discontinuous Galerkin schemes for the nonlinear shallow-water equations. Journal of Computational Physics, 452:110902, 2022.
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F. Vilar, A Posteriori Correction of High-Order Discontinuous Galerkin Scheme through Subcell Finite Volume Formulation and Flux Reconstruction. Journal of Computational Physics, 387:245-279, 2018.
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F. Vilar, C.-W. Shu and P.-H. Maire, Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: Form first-order to high-orders. Part II: The two-dimensional case. Journal of Computational Physics, 312:416-442, 2016.
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F. Vilar, C.-W. Shu and P.-H. Maire, Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: Form first-order to high-orders. Part I: The two-dimensional case. Journal of Computational Physics, 312:385-415, 2016.
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F. Vilar, P.-H. Maire and R. Abgrall, A discontinuous Galerkin discretization for solving the two-dimensional gas dynamics equations written under total Lagrangian formulation on general unstructured grids. Journal of Computational Physics, 276:188-234, 2014.
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F. Vilar and C.-W. Shu, Development and stability analysis of the inverse Lax-Wendroff boundary treatment for central compact schemes. ESAIM: Mathematical Modelling and Numerical Analysis, 49(1):39-67, 2014, 2014.
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F. Vilar, Cell-Centered Discontinuous Galerkin discretization for two-dimensional Lagrangian hydrodynamics. Computers and Fluids, 64:64-73, 2012.
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F. Vilar, P.-H. Maire and R. Abgrall, Cell-centered discontinuous Galerkin discretizations for two-dimensional scalar conservation laws on unstructured grids and for one-dimensional Lagrangian hydrodynamics. Computers and Fluids, 46(1):498-504, 2011.
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PhD Thesis
A high-order discontinuous Galerkin discretization for solving two-dimensional Lagrangian hydrodynamics, supervised by Pierre-Henri Maire (CEA) and Rémi Abgrall (INRIA, IMB) at CELIA laboratory (Bordeaux, France) and at CEA-CESTA (Le Barp, France).
link to document   link to slides

International conferences
ALGORITMY 2024: Central-European Conference on Scientific Computing, Podbanské, Slovakia, March 2024.
link to web site   link to slides

CFC 2023: 22nd Computational Fluids Conference, Cannes, France, April 2023.
link to web site   link to slides

Essentially hyperbolic problems: unconventional numerics, and applications, Monte Verità, Switzerland, October 2022.
link to web site   link to slides

ECCM - ECFD 2018: Conference on Computational Methods in Applied Sciences, Glasgow, UK, June 2018.
link to web site   link to slides

SHARK-FV: Sharing High-order Advanced Research Know-how on Finite Volume, Minho, Portugal, May 2018.
link to web site   link to slides

ECCOMAS Young Investigators Conference, Milan, Italy, September 2017.
link to web site   link to slides

SHARK-FV: Sharing High-order Advanced Research Know-how on Finite Volume, Ofir, Portugal, May 2017.
link to web site   link to slides

USNCCM13: US National congress on computational mechanics, San Diego, USA, July 2015.
link to web site   link to slides

WCCM XI - ECCM V - ECFD VI: Conference on Computational Methods in Applied Sciences, Barcelona, Spain, July 2014.
link to web site   link to slides

MULTIMAT 2013: Conference on Numerical Methods for Multi-Material Fluid Flows, San Francisco, USA, Septembre 2013.
link to web site   link to slides

ECCOMAS 2012: Conference on Computational Methods in Applied Sciences, Vienne, Autriche, Septembre 2012.
link to web site   link to slides

MULTIMAT 2011: Conference on Numerical Methods for Multi-Material Fluid Flows, Arcachon, France, Septembre 2011.
link to web site   link to slides

4
eme
Journée Calcul Scientifique de Toulouse: Conference on advanced numerical methods and their implementation
, Toulouse, France, June 2010.
link to web site   link to poster

ICFD 2010: Conference on Numerical Methods for Fluid Dynamics, Reading, Angleterre, Avril 2010.
link to web site   link to poster

Seminars
Occitanie applied mathematics days, Perpignan University, 2023.
link to slides

ACSIOM seminar, Montpellier University, France, 2021.
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Scientific Computing and Modelization seminar, Bordeaux University, France, 2019.
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« Numerische Simulation » seminar, Koln University, Germany, 2019.
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PDE, Modelization and Scientific Computing seminar, Lyon University, France, 2019.
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Institute of Appl. Phys. and Comput. Math. seminar, Beijing, China, 2018.
Presentation 1/2   Presentation 2/2

ACSIOM seminar, Montpellier University, France, 2016.
link to slides

PDE Numerical Analysis, Nice University, 2015.
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Plasmas woking group, INRIA Sophia, France, 2015.
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Applied Mathematics Division, Brown University, Providence, USA, 2013 et 2014.
presentation 2013   presentation 2014

Teachings
2021 - today
Numerical Analysis 1 & 2

1st year graduate students in Applied Mathematics in Montpellier University.

Class 1/4   Class 2/4   Class 3/4   Class 4/4

2019 - today
Lagrangian formalisms and compressible gas dynamics

2nd year graduate students in Applied Mathematics in Montpellier University.

2019 - today
TEE Mathematics

2nd year undergraduate students in Environment science in Montpellier University.

2017 - today
Numerical analysis of ODEs

3rd year undergraduate students in Mathematics in Montpellier University.

2016 - 2021
Numerical analysis of PDEs

1st year graduate students in Pure and Applied Mathematics and in Phyisics in Montpellier University.

2016 - 2019
Linear Algebra and Analysis

1st year undergraduate students in Informatics and Mechanics in Montpellier University.

2017 - 2018
Matrix Analysis

1st year graduate students in Biostatistics in Montpellier University.

2016 - 2019
General Mathematics

1st year undergraduate students in Biology in Montpellier University.

2010 - 2011
Analysis

2nd year students of CpBx classes préparatoires.

2009 - 2010
Numerical analysis

2nd year students of ENSEIRB-MATMECA engineering school.

2009 - 2010
Very high-order numerical schemes for scalar conservation laws resolution

3rd year students of ENSEIRB-MATMECA engineering school.


International teachings
2019
Analytical and numerical resolution of scalar conservation laws

Teaching in the frame of an EMA (African Mathematical School) under the aegis of the CIMPA at the « Institut National Polytechnique HB », Yamoussoukro, Ivory Coast.

Cours 1/5   Cours 2/5   Cours 3/5   Cours 4/5   Cours 5/5

Supervision responsibilities
2023 - auj.
PhD supervison of Sacha Cardonna

Applied Mathmetiques PhD supervision of Sacha Cardonna on the « Numerical analysis of free boundary problems and wave-structure interactions », in Montpellier University.


2019 - 2022
PhD supervison of Ali Haidar

Applied Mathmetiques PhD supervision of Ali Haidar on the « Modelization and numerical simulation of non-linear shallow waters with a floating moving structure », in Montpellier University. Thesis defended on the 2nd of Decembre 2022


Collectives and administrative responsibilities
2022 - today
Scientific Committee of SHARK-FV

Member of the scientific committee of SHARK-FV conference, organized from the 23rd to the 27th of May 2022 in Minho, Portugal.

2016 - 2021
ECCOMAS YIC committee

Member and French representative of the European committee YIC (Young Investigators Committee) of the European association ECCOMAS (European Community on Computational Methods in Applied Sciences).

2018 - 2021
GAMNI committee

Member of the GAMNI liaison committee (Group for the promotion of ingineering numerical methods).

2017 - 2020
MSOc development

IMAG supervisor, in collaboration with Benjamin Charlier (EPS team, IMAG), of the MSOc (Modelling, Simulation and Optimization in Occitanie) in partnership with Toulouse University.

2017 - 2021
AMIES correspondent

AMIES correspondent (Agency for Mathematics in Interaction with Enterprises and Society) in Montpellier.

2016 - 2020
ACSIOM seminar

Organizer of the weekly ACSIOM seminar at IMAG.

June 2016
Minisymposium in ECCOMAS conference

Co-organizer of the « New trends in numerical methods for multimaterial compressible fluid flows » minisymposium, at the international ECCOMAS conference.


Professional experiences
Sept. 2016 - today
Associate professor · Montpellier University

Teaching Mathematics at Montpellier University, mainly on topics related to numerical analysis and scientific computing.
Researcher in the ACSIOM team at IMAG on divers problems related to the development and analysis of numerical schemes for the resolution of hyperbolic problems.

Mar. 2016 - July 2016
Research Engineer · Lyon University

Implementation of a discontinuous Galerkin (DG) computational code for the simulation of oceanographic flows.

Dec. 2012 - Nov. 2015
Postdoctoral Research Associate · Brown University

Discontinuous Galerkin and weighted essentially non-oscillatory (WENO) schemes for the simulation of compressible flows, supervised by Chi-Wang Shu (Brown), funded by N.A.S.A., at Brown University (Providence, RI).


Education
Sept. 2009 - Nov. 2012
PhD Thesis · Bordeaux University

A high-order discontinuous Galerkin discretization for solving two-dimensional Lagrangian hydrodynamics, supervised by Pierre-Henri Maire (CEA) and Rémi Abgrall (INRIA, IMB) at the CEA Cesta (Le Barp). Defended November the 16th 2012.

Sept. 2006 - July 2009
Engineering School · MATMECA

ENSEIRB-MATMECA enginnering school of the Institut Polytechnique de Bordeaux (IPB). Physical phenomena simulation, partial differential equations, numerical analysis, solids and fluids mechanics, structure analysis, aerodynamics, parallel programming.

June 2009
Master's degree · Bordeaux University

Scientific computing and numerical analysis.

June 2007
Bachelor in Mathematics · Bordeaux University

Engineering Mathematics.

Sept. 2004 - June 2006
Classes préparatoires · CpBx

Mathématics / Physics.