Will UDF coding SOURCE TERM cancel out existing 1

August 11, 2002, 22:09

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

August 12, 2002, 08:28

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

August 12, 2002, 20:10

I'll try in this and let you know, thanks anyway.

Alamgir

August 11, 2002, 22:09	Will UDF coding SOURCE TERM cancel out existing 1	#1
Alamgir Guest Posts: n/a	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

August 12, 2002, 08:28	Re: Will UDF coding SOURCE TERM cancel out existin	#2
Ashu Guest Posts: n/a	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

August 12, 2002, 20:10	Re: Will UDF coding SOURCE TERM cancel out existin	#3
Alamgir Guest Posts: n/a	I'll try in this and let you know, thanks anyway. Alamgir

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