UDF gradient of time -- CFD Online Discussion Forums

November 28, 2019, 17:15	UDF gradient of time	#1
qkhanh189 New Member david Join Date: Sep 2019 Posts: 9 Rep Power: 7	Hello everyone, I want to write an udf to calculate the moisture content (concentration) that depends on the incubation time of my material at the interface. dC/dt I confused how i can define gradient of time (dt) with UDF code. Thank you for your help!

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