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Old   July 18, 2013, 06:32
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C.C
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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?
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Old   July 18, 2013, 06:34
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See this thread (http://www.cfd-online.com/Forums/flu...tml#post440094).
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