Career
- 2017- date: DAMTP, Cambridge University
- 1996-2017: Mathematics, Bristol University
- 1992-1996: Mathematics, Newcastle University
- 1992 : PhD, MIT
Research
General fluid mechanics: the Navier-Stokes equations (nonlinear dynamics, transition and turbulence); geophysical and astrophysical fluid mechanics (e.g. convection; stably stratified flows; tidal, precessional and librational motion of planetary interiors and subsurface oceans; accretion disks);
Selected Publications
- see homepage (www.damtp.cam.ac.uk/user/rrk26)
Publications
Revisiting two-dimensional viscoelastic Kolmogorov flow: a centre-mode-driven transition
– Journal of Fluid Mechanics
(2025)
1007,
A55
(doi: 10.1017/jfm.2025.119)
Non-equivalence of quasi-linear dynamical systems and their statistical closures
– Journal of Fluid Mechanics
(2025)
1005,
a4
(doi: 10.1017/jfm.2024.578)
Predicting burst events in a forced two-dimensional flow: a wavelet-based analysis
– Journal of Fluid Mechanics
(2025)
1003,
a5
(doi: 10.1017/jfm.2024.1080)
Transition route to elastic and elasto-inertial turbulence in polymer channel flows
– Physical Review Fluids
(2024)
9,
123302
weakening the effect of boundaries: ``diffusion-free'' boundary conditions as a ``do least harm'' alternative to Neumann
– Geophysical & Astrophysical Fluid Dynamics
(2024)
ahead-of-print,
1
Threshold transient growth as a criterion for turbulent mean profiles
– Journal of Fluid Mechanics
(2024)
996,
a32
(doi: 10.1017/jfm.2024.671)
Exact coherent structures in two-dimensional turbulence identified with convolutional autoencoders
– Journal of Fluid Mechanics
(2024)
991,
a10
(doi: 10.1017/jfm.2024.552)
Linear stability of stratified, rotating, viscous plane Couette-Poiseuille flow
– Journal of Fluid Mechanics
(2024)
991,
a16
(doi: 10.1017/jfm.2024.549)
Asymptotics of the centre-mode instability in viscoelastic channel flow: With and without inertia
– Journal of Fluid Mechanics
(2024)
991,
a13
(doi: 10.1017/jfm.2024.500)
Stochastic Latent Transformer: Efficient Modeling of Stochastically Forced Zonal Jets
– CoRR
(2024)
abs/2310.16741,
e2023MS004177
(doi: 10.1029/2023MS004177)
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