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How to calculate second order derivatives using udf?

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October 6, 2009, 22:05	How to calculate second order derivatives using udf?	#1
legendyxg New Member Yang Xiaoguang Join Date: Apr 2009 Posts: 24 Rep Power: 16	Dear All I need to know the value of second order derivatives of scalars such as temperature, who can tell me how to get the value of div (k*grad(T)) of a cell? Thank you very much!

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