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dynamic contact angle - oil & water

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Old   October 16, 2013, 02:31
Talking dynamic contact angle - oil & water
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Rams Manu
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I am trying to model the movement of water droplets on a layer of oil coated on an inclined plane (so that there is a body force on oil as well as water droplets) First of all, there is no option in fluent for imposing a contact angle between two phases (oil and water) other than at wall. .

Next, I couldn't find a proper way through UDF to impose a dynamic contact angle on the water droplets moving over the oil ! Although I can impose the dynamic contact angle on water droplets moving over a wall, is it possible to apply the contact angle at the oil surface rather than at wall ?

Or is fluent capable of imposing the dynamic contact angle between oil and water by itself ? (which I highly doubt so but still I can see some convincing results after the simulations so far without a UDF!)

Any kind of help would be really appreciated, coz I am stuck here for quite a bit of time.

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dynamic contact angle, oil, water droplet

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