Calculating Pressure Drop by UDF -- CFD Online Discussion Forums

January 8, 2012, 12:53	Calculating Pressure Drop by UDF	#1
wanghaojie Member HJ Join Date: Nov 2011 Posts: 30 Rep Power: 15	Hi all, I have a question to use UDF to calculate pressure drop before and after the air entering a window. I need the pressure at the cells adjacent to the window (before and after the window). Idk if there is a marco to do this. Since C_P(c,t) need thread pointer, but in this case, I can only obtain the thread pointer of the window thru Lookup_Thread, but idk how to get the cells adjacent to the window. Or am I thinking in the wrong direction, looking forward to an idea, thanks

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