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winall December 25, 2002 12:08

gravity in fluent!
i want to simulate a upwrad flow of water in a circular pipe with gravity, the property of water is defined by UDF. when i set the property as constant it gets to convergence, but once i use my UDF, it divergenes. there is nothing wrong with my UDF! i try diffirent dicretion methods for pressure, eg. second orderĄ˘body force weighted and so on. Can anybody give me help!

zhhuang December 28, 2002 02:36

Re: gravity in fluent!
use the pressure inlet and outlet B.C.

heydari January 6, 2003 12:48

Re: gravity in fluent!
why u r using udf for your fluid prop.?

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