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gravity in fluent!

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Old   December 25, 2002, 12:08
Default gravity in fluent!
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winall
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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!
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Old   December 28, 2002, 02:36
Default Re: gravity in fluent!
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zhhuang
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use the pressure inlet and outlet B.C.
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Old   January 6, 2003, 12:48
Default Re: gravity in fluent!
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heydari
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why u r using udf for your fluid prop.?
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