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July 18, 2013, 06:32	second derivative	#1
C.C Member CC Join Date: Jun 2011 Posts: 73 Rep Power: 14	Hi all, I want implement in a udf a term like this: d2K/dy2. But i just know how to implement the first derivative. Anyone have any idea how it can be made?

July 18, 2013, 06:34		#2
blackmask Senior Member Join Date: Aug 2011 Posts: 421 Blog Entries: 1 Rep Power: 21	See this thread (http://www.cfd-online.com/Forums/flu...tml#post440094).

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