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
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)
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)
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)
1015,
A50
(doi: 10.1017/jfm.2025.10396)
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)
Linear instability in planar viscoelastic Taylor–Couette flow with and without explicit polymer diffusion
– Journal of Non Newtonian Fluid Mechanics
(2025)
345,
105459
(doi: 10.1016/j.jnnfm.2025.105459)
Revisiting two-dimensional viscoelastic Kolmogorov flow: a centre-mode-driven transition - CORRIGENDUM (Journal of Fluid Mechanics (2025) 1007 (A55) DOI: 10.1017/jfm.2025.119)
– Journal of Fluid Mechanics
(2025)
1012,
e1
(doi: 10.1017/jfm.2025.345)
Linear instability in planar viscoelastic Taylor-Couette flow with and
without explicit polymer diffusion
(2025)
Revisiting two-dimensional viscoelastic Kolmogorov flow: A centre-mode-driven transition
– Journal of Fluid Mechanics
(2025)
1007,
a55
(doi: 10.1017/jfm.2025.119)
Nonlinear optimals and their role in sustaining turbulence in channel flow.
(2025)
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