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diverging solution in bubble rise

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Old   August 11, 2012, 16:39
Default diverging solution in bubble rise
Join Date: Jun 2012
Location: Lucknow, IN
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hi all,

i was trying to setup a simple case of rise of air bubble in glycerine, but solution continuity starts diverging as soon as i start iteration.

my setup is:
mesh: cylinder rad:0.006 , height: 0.6

vof,no. of phases 2, courant no. 0.25,implicit body force,
unsteady,1st order imp.
adapted region : sphere radius .005
body force weighted, simple

i have tried simplifying mesh and everything but nothing works.
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