CV

Current position

Maître de conférences in fluid mechanics — Université Claude Bernard Lyon 1; Laboratoire de Mécanique des Fluides et d’Acoustique (LMFA), Turbulence and Stability group.

Previous research positions

2025 — Postdoctoral researcher, Institut de Recherche sur les Phénomènes Hors Équilibre (IRPHE), Marseille.
2024 — Postdoctoral researcher, Institut de Mécanique des Fluides de Toulouse (IMFT), Toulouse.

Education

2024 — PhD in Fluid Mechanics, Université de Toulouse / IMFT. Thesis: Chute en régime inertiel de cylindres isolés ou en groupes dans une cellule mince.
2020 — Master’s degree in Fluid Dynamics and Energy, Université Paris-Saclay.
2020 — Magistère in Fundamental Physics, Université Paris-Saclay.
2017 — Preparatory classes (Mathematics–Physics), Lycée Georges Clemenceau, Nantes.

Research profile

Turbulence and hydrodynamic instabilities; fluid-structure interactions; multiphase and particle-laden flows; experimental fluid mechanics.

Teaching

96 contact hours at Université Toulouse III – Paul Sabatier (2020–2023), including mechanics, thermal sciences, and scientific computing with Python.

Publications

Alignment of long fibres within coarse-grained velocity field

Letessier, D. & Verhille, G. (2026). "Alignment of long fibres within coarse-grained velocity field." ERCOFTAC Bulletin, 146.

Fall of a group of confined cylinders in a liquid at rest at moderate Reynolds number

Letessier, D., Ern, P. & Roig, V. (2025). "Fall of a group of confined cylinders in a liquid at rest at moderate Reynolds number." Journal of Fluid Mechanics, 1020, A7.

Fluttering motion of a confined cylinder falling freely in fluid at rest

Letessier, D., Roig, V. & Ern, P. (2025). "Fluttering motion of a confined cylinder falling freely in fluid at rest." Journal of Fluid Mechanics, 1002, A46.