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UDF error

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March 24, 2011, 21:56	UDF error	#1
ahchoo New Member ahchoo Join Date: Nov 2010 Posts: 4 Rep Power: 16	Hi I want to use C_DIFF_EFF(c,t,0) to obtain the species effective diffusivity in the UDF. But I can't interpretate the UDF and have a error massage 'DOMAIN_MULTICOMP_DIFF: undeclared variable' How can I solve this problem?

March 25, 2011, 03:32		#2
Amir Senior Member Amir Join Date: May 2009 Location: Montreal, QC Posts: 735 Blog Entries: 1 Rep Power: 23	Hi, first try compiled one. if it didn't work, ensure that this function is defined in headers that you've used else u need to add corresponding header.

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