Unusual result on surface

gooya_kabir · October 24, 2013, 05:37

Hi,

I'm working on a pipe like geometry (it's not cylinder). The pressure in outlet is 0.1 (m2/s2)and velocity in inlet is 0.05 (m/s), wall velocity is fixed value (uniform (0 0 0)) and its pressure is zero gradient. I run the case with icoFoam to see the results. It's showing that velocity is higher in the surface in compare to bulk! one picture of cross-section attached to show the higher velocity on surface and the geometry of case.

Thanks for your comments and help
Kind Regards

gooya_kabir · October 26, 2013, 19:19

again Hi!

I just want to add sth!! when I increase the kinematic viscosity from 1e-6 to 0.1, higher velocity is in the bulk instead of surface and makes more sense.

I'm still waiting for any comments

October 26, 2013, 19:19	another note!	#2
gooya_kabir Member Reza Join Date: Feb 2012 Posts: 67 Rep Power: 14	again Hi! I just want to add sth!! when I increase the kinematic viscosity from 1e-6 to 0.1, higher velocity is in the bulk instead of surface and makes more sense. I'm still waiting for any comments

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