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Rising Air Bubble in Water
Posted Jul 10, 2012, 3:18 a.m. EDT 0 Replies
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I am using Comsol 4.3 and trying to rise an ellipse in rectangular channel in vertical direction. Conditions are inlet is from bottom of teh rectangle and the bubble is near to the entrance of inlet.
Recatngle condition:
width 7.5mm
height 20mm
Ellipse:
a : 2.5
b : 1
x :3.75
y : 4
Inlet :
Bottom Velocity
Out let : Pressure outlet Top
Materials:
Air (Ellipse)
Water (rectangle)
Now, the problem i am facing are the boundary conditions. please help me in setting the boundary conditions so that the ellipse has to move top along with water flow. Please anyone help me in this regard by saying wat are the conditions to be set.
Hello Gollakota Anjani Ravikiran
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