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john June 5, 2004 10:00

b.c. definition

I'm simulating only heat transfer in a 2-D SOLID rectangular domain (unsteady problem). The heat conduction coefficient and heat source in the whole domain is temperature dependent.

The boundary conditions are const temperature on the right and left sides - no problem with that. on the upper and lower side the temperature is X coordinate dependent...

I've never used UDF in fluent but I think this is the right case to do so

Anyone know where can I find examples or UDF's for those cases ?? i.e. conduction coefficient and heat source whice are temperature dependent and temperature variation BC on walls

I didn't find much help in the UDF manual

Regards John

BTW: I also have an IC which is x dependent

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