Joris Heyman |

Chargé de Recherche, Institut National des Sciences de l'Univers, CNRS
Géosciences Rennes, Bretagne, France, joris.heyman@univ-rennes1.fr
Bat. 14B, Room 203, +33(0)2 23 23 35 29
ORCID iD 0000-0002-0327-7924

Research areas :

Earth sciences, Geophysical flows, Turbulence, Natural Hazards and Extreme events

Expertise :

Fluid Mechanics, Rheology, Mass and momentum transport, Stochastic models and probabilistic theory, Dynamical systems, Chaotic advection, Image analysis, Computer vision.







Selected works


Spatio-temporal 3D echo produced by a push-pull protocol
- explore in 3D ! -
(Ref 10.1103/PhysRevLett.126.034505).

3D flow simulations of beads in contact showing the stretch & fold chaotic phenomenon
- explore in 3D ! -
(Ref. https://www.pnas.org/content/117/24/13359 ).

Solute mixing in 3D porous media visualized through refractive index matching.
- explore in 3D ! -
(Ref. https://www.pnas.org/content/117/24/13359 ).

The SUCHY project: seeing through the hyporheic interface.

Experiments shows that 3D Stokes flow through granular porous media have chaotic streamlines at pore scale.

Dense granular flows driven by gravity show non-trivial rheologies

Bedload transport in montaineous streams present spatio-temporally correlated fluctuations

Cyclic steps results from sub-critical bifurcation and show hysteretical behavior