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Calling variable in UDF

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Old   August 7, 2017, 06:54
Default Calling variable in UDF
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Hi all,
When I writing a UDF, some variables that FLUENT already computed are needed in my model. Such like nucleation site density, departure frequency, departure diameter; these are already computed in RPI model. Also, the interfacial momentum transfer rate due to drag force, lift force and other interfacial forces.
Does anyone know the name of these variable or where can I find these names?
Thank you very much.
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Old   August 7, 2017, 07:47
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If they are not explicitly cited in the manual, you can have some chance by looking trough the files in your installation directory. For example, for Fluent 15, I had the following folder:

C:\Program Files\ANSYS Inc\v150\fluent\fluent15.0.0\src

by looking trough all the #define you might recognize, among other things, some variables usable in UDFs.
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