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Old   June 19, 2002, 11:44
Default reaction&udf
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antony chang
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I'm a beginer of fluent and c program. anyway i had a question...like this this example is simplified form of mine ...

Reaction rate=-0.22/y*((arctan (2x-1)-arctan(2x+1))^0.48* Ca(concentration of a)

so I think udf should be used but i can not make udf c program... so are there any advice for my start of solving this? plz help me out of this problem...^^
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