Applied and computational Analysis Seminars
Evidence for finite dissipation during vortex reconnection
With Rober Kerr, University of Warwick
Evidence for finite dissipation during vortex reconnection
This presentation will show evidence that growth of the volume-integrated enstrophy Z through, then beyond, the first reconnection of isolated vortices is sufficient to first show convergence of √νZ. This is followed by convergence of the dissipation rate ε=νZ over a finite time, consistent with the existence of finite-time dissipation anomalies. But only so long as the domain size V increases as ν decreases. Also to be discussed are the evolution of spectra, the helicity and the helicity transfer.
- Speaker: Rober Kerr, University of Warwick
- Thursday 27 February 2020, 15:00–16:00
- Venue: MR 14.
- Series: Applied and Computational Analysis; organiser: Edriss S. Titi.