diverging solution in bubble rise
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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