My group’s research focus is on the non-linear, multi-scale and statistical dynamics of fluid dynamical systems with applications to planetary atmospheres and ocean dynamics, geophysics, astrophysics, energy and flow control.

Our approach to study these systems spans from mathematical methods and modelling to statistical analysis of large data sets from state-of-the-art numerical simulations that we perform on supercomputers.

Research Interests

1. • Turbulence
   

2. • Geophysical fluid dynamics, convection
   

3. • Self-organisation and statistical mechanics in geophysical fluids
   

4. • Bifurcations in flows with symmetries
   

5. • Scientific computing
   

Below is an overview of our scientific contributions.

Rotating and stratified fluids

1. ‣geostrophic turbulence
   

2. ‣dynamics of cyclones and anticyclones
   

3. ‣effects of helicity in rotating flows

MHD fluids

1. ‣the dependence of the dynamo onset on rotation rate
   

2. ‣self-organisation
   

3. ‣inertial range theories and universality
   

4. ‣fluid flow symmetries and topology

Particle in fluids

1. ‣droplet growth in cloud turbulence
   

2. ‣particles collision-coalescence in turbulence
   

3. ‣synthetic turbulence and kinematic simulation
   

4. ‣atmospheric fluid mechanics from a Lagrangian perspective

Viscoelastic fluids

1. ‣turbulent drag reduction
   

2. ‣FENE-P polymer dynamics
   

3. ‣high-resolution Godunov type methods
   

4. ‣asymptotic expansions

Turbulent boundary layers

1. ‣dynamical system approaches for turbulent fluctuations
   

2. ‣relation of statistical observables to flow topology
   

3. ‣high Reynolds number asymptotics
   

4. ‣universality of von Kármán coefficient

For more information refer to Publications.

Transitions between turbulent states

1. ‣abrupt transitions of atmospheric flows
   

2. ‣dynamics of zonal flows
   

3. ‣quasi-geostrophic models