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
On the essential structure of exact traveling-wave solutions in viscoelastic flow
(2025)
Localised Arrowheads: The building blocks of elastic turbulence in rectilinear, sheared polymer flows
(2025)
Transient growth in streaky unbounded shear flow: A symbiosis of Orr and push-over mechanisms
– Journal of Fluid Mechanics
(2025)
1019,
a5
(doi: 10.1017/jfm.2025.10571)
Transient growth in streaky unbounded shear flow: a symbiosis of Orr and push-over mechanisms
– Journal of Fluid Mechanics
(2025)
1019,
A5
(doi: 10.1017/jfm.2025.10571)
Conditioning on PDE Parameters to Generalise Deep Learning Emulation of Stochastic and Chaotic Dynamics
(2025)
A physics-augmented GraphGPS framework for the reconstruction of 3D Riemann problems from sparse data
– Computer Methods in Applied Mechanics and Engineering
(2025)
447,
118328
(doi: 10.1016/j.cma.2025.118328)
Conditioning on PDE Parameters to Generalise Deep Learning Emulation of Stochastic and Chaotic Dynamics.
– CoRR
(2025)
abs/2509.09599,
Three-layer stratified exchange flows: hydraulically controlled transition to turbulence
– Journal of Fluid Mechanics
(2025)
1016,
a69
(doi: 10.1017/jfm.2025.10369)
Nonlinear optimals and their role in sustaining turbulence in channel flow.
– Journal of Fluid Mechanics
(2025)
abs/2503.08283,
a50
(doi: 10.1017/jfm.2025.10396)
Nonlinear optimals and their role in sustaining turbulence in channel flow
– Journal of Fluid Mechanics
(2025)
1015,
A50
(doi: 10.1017/jfm.2025.10396)
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