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SUMMARY:Dynamics of warped discs - Chris Nixon (Leicester)
DTSTART:20180608T103000Z
DTEND:20180608T113000Z
UID:TALK104893@talks.cam.ac.uk
CONTACT:Martin Haehnelt
DESCRIPTION:Astrophysical discs are often warped\, that is\, their orbital
  planes change with radius. Discs can be warped by e.g. Lense-Thirring pre
 cession induced by a misaligned spinning black hole\, or the gravitational
  pull of a misaligned companion. I will discuss the dynamics of warped dis
 cs\, provide my thoughts on the role of `viscosity' in their evolution\, a
 nd present simulations of tilt oscillations\, Kozai-Lidov oscillations and
  disc tearing. Finally I will present the results of a stability analysis 
 of the warped disc equations to derive the criteria for the warp to be uns
 table and the disc to separate into distinct planes.\n
LOCATION:Kavli Large Meeting Room\, Kavli Building
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