Work Experience
- Meshing Software Engineer
- Oct. 2024 - Now
- Siemens Digital Industry Software
- Ph.D in Applied Mathematics and Computer Science
- Oct. 2021 - Oct. 2024
- LiHPC (Paris-Saclay University, CEA), France
- Supervisors: Franck LEDOUX, Jérôme BREIL, Thierry HOCQUELLET
- Hexahedral Curved Block-Structured Mesh Generation for Atmospheric Re-Entry
- Development of an advancing front algorithm for linear hexahedral block structure generation around a vehicle, dedicated to flow simulation around the vehicle.
- A posteriori block curving using Bézier elements to approximate the surface of the vehicle and discretization of the curved blocks.
- Mesh quality analysis through purely geometrical criteria, and practical cases of numerical simulations.
- C++, Paraview, SU2 CFD, Git
- Internship on high-order mesh rp-adaptivity for multi-material interface alignment.
- May 2023 - Aug. 2023
- Lawrence Livermore National Laboratory, United-States
- Supervisor: Ketan MITTAL
- C++, Git
- Details available on Paper SIAM IMR 2024
- Internship on consideration of wall deformations in the simulation of aerodynamic flows.
- Feb. 2021 - Aug. 2021
- CEA, France
- Supervisors: Marina OLAZABAL-LOUME, Jérôme BREIL
- Implementation of methods for refinement, regularization and adaptation of structured meshes.
- Application to simulations of hypersonic flows using a stationary/unsteady 3D Navier-Stokes CFD code.
- Fortran 90, Paraview, Visit
- Details available on Proceeding ECCOMAS 2022
Education
- Ph.D in Applied Mathematics & Computer Science.
- 2024
- LiHPC (Paris-Saclay University, CEA), France
- Title: Hexahedral Curved Block-Structured Mesh Generation for Atmospheric Re-Entry
- Engineer Degree in Applied Mathematics and Mechanics.
- 2021
- ENSEIRB-MATMECA, Bordeaux INP, France
- French equivalent of a Master of Engineering degree
- Master Degree in Numerical Methods for High Performance Computing.
- 2021
- Bordeaux university, France
- Bachelor of Engineering Sciences.
- 2019
- Bordeaux university, France
- Preparatory classes to Grandes Ecoles in Mathematics and Physics.
- 2016-2018
- Camille-Jullian, Bordeaux, France
- Preparatory classes for French selective engineering schools
Publications
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Mittal K, Dobrev V.A., Knupp P, Kolev T, Roche C, Tomov V.Z. Mixed-Order Meshing using rp-adaptivity for Surface Alignment with Implicit Geometries. In SIAM International Meshing Roundtable Workshop 2024 (SIAM IMR 2024). March 2024, Baltimore, Maryland, United-States.
-
Roche C, Breil J, Hocquellet T, Ledoux F. Block-structured quad meshing for supersonic flow simulations. In SIAM International Meshing Roundtable Workshop 2023 (SIAM IMR 2023). March 2023, Amsterdam, Netherlands.
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Roche C, Breil J, Olazabal-Loumé M. Mesh regularization of ablating hypersonic vehicles. In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2022). Jun 2022, Oslo, Norway.
Talks
Apr. 3 - 5, 2024
Avrainville, France
Journées des Doctorants de la DAM.
Mar. 5 - 8, 2024
Baltimore, Maryland, United-States
SIAM International Meshing Roundtable Workshop 2024 (SIAM IMR 2024).
Details of the Talk
Mar. 29 - 31, 2023
Bordeaux, France
57th 3AF International Conference on Applied Aerodynamics, High speed aerodynamics, from transonic to hypersonic (AERO 2023).
Details of the Talk
Mar. 6 - 9, 2023
Amsterdam, Netherlands
SIAM International Meshing Roundtable Workshop 2023 (SIAM IMR 2023).
Details of the Talk
Jun. 5 - 9, 2022
Oslo, Norway
8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2022).
Posters
Mar. 7, 2023
Amsterdam, Netherlands
“Block-structured quad meshing for supersonic flow simulations”. SIAM International Meshing Roundtable Workshop 2023 (SIAM IMR 2023).
Details of the Poster
Dec. 8, 2022
Paris, France
“Block-structured 2D mesh generation for supersonic flow simulation”. Scientific evaluation of the CEA in high performance computing.
Nov. 16, 2022
Bordeaux, France
“Automatic 2D curved block-structured mesh generation for atmospheric re-entry”. Scientific evaluation of the CEA in atmospheric re-entry.
May 10, 2022
Arcachon, France
“Automatic hexahedral mesh generation for atmospheric re-entry”. Journée des doctorants. Best
poster award.
Projects
- Mesh adaptation in PETSc
- 2020 - 2021
- Supervisor: Nicolas BARRAL
- Replacing Pragmatic remesher with MMG in PETSc
- Setting up test cases for the implementation
Skills
| Programming | Fortran 90, C++, Python, Git, Latex, TikZ, MarkDown, Linux |
| Softwares | CLion, Gmsh, Paraview, Visit, SU2 CFD |
| Communication | French (native), English (B2 - TOEIC:870), Spanish (beginner) |
| Other | Mesh Generation, Numerical Analysis, Numerical Methods, Computational Fluid Dynamics |