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accessing lift fore/drag force in UDF

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Old   February 28, 2006, 00:03
Default accessing lift fore/drag force in UDF
  #1
changkiang
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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!
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Old   March 1, 2006, 01:13
Default Re: accessing lift fore/drag force in UDF
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changkiang
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well, it came to me, i can just read the file saved cl-history!
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Old   March 1, 2006, 07:51
Default Re: accessing lift fore/drag force in UDF
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changkiang
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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!
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Old   March 1, 2006, 08:40
Default Re: accessing lift fore/drag force in UDF
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Dan
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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.
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Old   March 2, 2006, 03:54
Default Re: accessing lift fore/drag force in UDF
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changkiang
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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?
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Old   March 2, 2006, 04:05
Default Re: accessing lift fore/drag force in UDF
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changkiang
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or how we can access the values( Reprot\Forces) in UDF DIRECTLY.

thanks
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Old   May 11, 2015, 15:00
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  #7
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Shree
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sarjerao is on a distinguished road
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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