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-   -   please help it is very urgent (http://www.cfd-online.com/Forums/fluent-udf/69489-please-help-very-urgent.html)

denise October 25, 2009 03:50

please help it is very urgent
 
Please help it is very urgent,
i am trying to solve humidity in 2D enclosure (natural convection).
all walls and bottom are adiabatic, but only ceiling is cooled.
after 50000 second solution, mass fraction of H2O doesn't change in enclosure..i think fluent doesn't solve it..is it true?
i am trying to write UDF, but what is the source term for bouyancy induced flow (there is no generation of humidity in the room, there is nothing in the room, everywhere closed and isolated except for ceiling)?
thank you


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