# accessing lift fore/drag force in UDF

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 February 28, 2006, 00:03 accessing lift fore/drag force in UDF #1 changkiang Guest   Posts: n/a hi,everybody! i'm trying to access lift fore(or lift coefficient)/drag force(or coefficient) in UDF and i don't know how. by the way, i'm simulating flow over a single circular cylinder. thanx in advance for ur response!

 March 1, 2006, 01:13 Re: accessing lift fore/drag force in UDF #2 changkiang Guest   Posts: n/a well, it came to me, i can just read the file saved cl-history!

 March 1, 2006, 07:51 Re: accessing lift fore/drag force in UDF #3 changkiang Guest   Posts: n/a but i think it quite time-consuming, someone said lift and drag can be picked-up from fluent, but how? can anyone help me? thank u very much!

 March 1, 2006, 08:40 Re: accessing lift fore/drag force in UDF #4 Dan Guest   Posts: n/a Not sure if it's what you're looking for, but you can use "monitor-force" to monitor the lift and drag coefficients after each iteration or time-step.

 March 2, 2006, 03:54 Re: accessing lift fore/drag force in UDF #5 changkiang Guest   Posts: n/a thanx for responding. well, i'm programming a UDF and the lift(drag) force is used, then the easiest way to access it in UDF is?

 March 2, 2006, 04:05 Re: accessing lift fore/drag force in UDF #6 changkiang Guest   Posts: n/a or how we can access the values( Reprot\Forces) in UDF DIRECTLY. thanks

 May 11, 2015, 15:00 #7 New Member   Shree Join Date: May 2014 Posts: 10 Rep Power: 5 I also want same thing in my UDF! Did you solved that problem. If yes, what you did to access lift/drag in udf. Last edited by sarjerao; May 12, 2015 at 04:23.

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