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Will UDF coding SOURCE TERM cancel out existing 1

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Old   August 11, 2002, 22:09
Default Will UDF coding SOURCE TERM cancel out existing 1
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Alamgir
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I'm very new at UDF, I wanna code SOURCE TERM, but I'm wondering when I introduce the UDF in Fluent, does it cancel out the other source terms which r already exist in Fluent, like body force etc. or do I need to code all together? Very clear, I'll introduce universal gravitational forces, adhesive force, van der waals forces etc. do I need to code separately for each term? or adding them all together in one code?

Help me, thanksalot ahead.

Alamgir
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Old   August 12, 2002, 08:28
Default Re: Will UDF coding SOURCE TERM cancel out existin
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Ashu
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If other sources are constant then it doesn't affect, else you may have to write all the UDF in one file with different type of source terms like energy, momentum etc. Fluent can use only one UDF file in case of interpreted UDF.

Bye Ashu
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Old   August 12, 2002, 20:10
Default Re: Will UDF coding SOURCE TERM cancel out existin
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Alamgir
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I'll try in this and let you know, thanks anyway.

Alamgir
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