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
Stabilisation and drag reduction of pipe flows by flattening the base profile (vol 77, pg 123, 2019)
– Journal of Fluid Mechanics
(2020)
888,
e1
(doi: 10.1017/jfm.2020.22)
Searching turbulence for periodic orbits with dynamic mode decomposition
– Journal of Fluid Mechanics
(2020)
886,
a28
(doi: 10.1017/jfm.2019.1074)
Stably stratified exact coherent structures in shear flow: the effect of Prandtl number
– Journal of Fluid Mechanics
(2020)
882,
a10
(doi: 10.1017/jfm.2019.811)
Kelvin-Helmholtz billows above Richardson number $1/4$
– Journal of Fluid Mechanics
(2019)
879,
r1
(doi: 10.1017/jfm.2019.725)
Koopman mode expansions between simple invariant solutions
– Journal of Fluid Mechanics
(2019)
879,
1
(doi: 10.1017/jfm.2019.686)
Layer formation and relaminarisation in plane Couette flow with spanwise stratification
– Journal of Fluid Mechanics
(2019)
868,
97
(doi: 10.1017/jfm.2019.192)
Stabilisation and drag reduction of pipe flows by flattening the base profile
– Journal of Fluid Mechanics
(2019)
863,
850
(doi: 10.1017/jfm.2018.1012)
Can libration maintain Enceladus's ocean?
– Earth and Planetary Science Letters
(2018)
500,
41
(doi: 10.1016/j.epsl.2018.08.012)
Koopman analysis of Burgers equation
– Physical Review Fluids
(2018)
7,
071901
Connection between nonlinear energy optimization and instantons
– Phys Rev E
(2018)
97,
012212
(doi: 10.1103/physreve.97.012212)
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