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SUMMARY:The modelling and computation of convective flows of Bingham fluid
 s in porous media - Dr Andrew Rees (University of Bath)
DTSTART:20151120T130000Z
DTEND:20151120T140000Z
UID:TALK61409@talks.cam.ac.uk
CONTACT:Antoine Debugne
DESCRIPTION:Models for the flow of a Bingham fluid within a porous materia
 l will be derived. These include unidirectional flows of various kinds\, f
 lows in structured 2D domains such as square\, triangular and hexagonal ne
 tworks\, and flows in random 2D networks. Some these ideas will then be ap
 plied to convective flows of Bingham fluids. Nonlinear computations are al
 so presented\, and it is found that the flow patterns are strongly affecte
 d by the detailed microstructure. We consider briefly some free convective
  flows in sidewall-heated cavities and the porous medium analogue of the B
 énard problem. In the latter case the basic state is linearly stable for 
 all values of the Rayleigh number\, but large-amplitude disturbances can c
 ause convective motion.
LOCATION:LR3B\, Inglis Building\, CUED.
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