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Gordon Ogilvie's research is concerned mainly with the dynamics of astrophysical discs, consisting of material in orbital motion around a central mass. These include planetary rings such as Saturn's, the discs of dusty gas within which planets may form around young stars, and the plasma accretion discs surrounding compact stars or black holes in close binary stars or in the centres of active galaxies. He is interested in basic dynamical problems such as:
Processes that lead to sustained nonlinear behaviour and angular momentum transport, e.g. through hydrodynamic or magnetohydrodynamic instabilities of rotating shear flows
The dynamics of warped or eccentric discs, involving mutually inclined or elliptical orbits, which can be described by a variety of nonlinear wave equations
The secular and resonant interactions between discs and orbiting companions such as planets
He has a general interest in the dynamics of planetary systems, especially those extrasolar planets found in close proximity to the star. Their fate can be determined by their tidal interaction with the star, which requires the study of low-frequency waves in rotating fluids.
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MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYno. 1 (2019): 1127-1140
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