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Education

• Ph.D in Applied Mathematics & Computer Science.
  • 2024 (expected)
  • The French Alternative Energies and Atomic Energy Commission (CEA) & Paris-Saclay University
  • Title: 3D block-structured automatic mesh generation for atmospheric reentry computational fluid dynamics
• 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

Work Experience

• Ph.D
  • Oct. 2021 - Oct. 2024 (expected)
  • The French Alternative Energies and Atomic Energy Commission (CEA) & Paris-Saclay University, France
  • Supervisors: Franck LEDOUX, Jérôme BREIL, Thierry HOCQUELLET
  • 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.
  • 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

Publications

• 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.

• 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
Softwares	CLion, gmds, Paraview, Visit, SU2 CFD
Communication	French (native), English (B2 - TOEIC:870), Spanish (beginner)
Other	Mesh Generation, Numerical Analysis, Numerical Methods, Computational Fluid Dynamics