Abstract:
I will discuss a new approach to the numerical modelling of complex fluid flows, using space-filling deformable ellipsoidal parcels as a basis. These parcels move, deform, split and merge in the underlying flow field. The method was developed to study the dynamics of clouds in the atmosphere, with a focus on the associated vorticity dynamics and condensational enhancement of turbulence. Notably, the method is also applicable to studying rotating, stratified turbulence in the upper ocean. The key features of the method will be described, and then the method will be illustrated and compared with standard methods like pseudo-spectral and LES in a diverse set of test cases, each having particular challenges.
This is joint work with Matthias Frey (St Andrews) and Steef Boing (Leeds).
What is the Joint Oslo Seminar (JOS):
- Atmospheric and climate sciences have a stronghold in Oslo among the four institutions University of Oslo, the Meteorological Institute, CICERO and NILU.
- This joint seminar invites renowned international experts to contribute to an informal series of lectures, meant to create interaction with the Oslo atmospheric and climate science community on recent highlights and analysis in the field.
- All seminars will be held on Thursdays (12:15 pm -1 pm).