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How to use the degassing UDF for VOF model in Fluent?

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Old   July 11, 2016, 12:42
Default How to use the degassing UDF for VOF model in Fluent?
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I am modeling the slag-steel reaction in ladle furnace using Ansys fluent. I have three phases(gas, steel and slag) and use VOF model. I want to define the top surface of the liquid as free surface. Just the gas flows out and the liquid is hold back. I have downloaded the de-gas UDF of fluent and compiled the UDF, but I don't know what I have to do afterwards.

Could somebody plz explain how to use and setup the degassing UDF step by step?

I know, that there is a degassing boundary in Fluent, but for VOF model it's unavailable, so I have to stick with the self compiled UDF.

Thx in advance

Last edited by qingyang; July 11, 2016 at 12:44. Reason: symbol error
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