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If-Statement for UDF

- March 4, 2019 at 9:40 am
  
  Max4
  Subscriber
  
  Hi,
  
  I´m trying to write an UDF for porous media which depends on time. So I have used an If-Statement, but an error occurs.
  
  Is it necessary to have an else-statement after if? If yes, what should I write for the else? that the "source" is zero?
  
  Regards,
  
  Maxime
- March 4, 2019 at 9:49 am
  
  Amine Ben Hadj Ali
  Ansys Employee
  
  You need to put the if statement inside the the DEFINE... macros.
- March 4, 2019 at 9:59 am
  
  Max4
  Subscriber
  
  Before defining the variables? Then I have to do one for each macro, I guess. I have tried this, but it doesn´t work.
  
  Regards,
  
  Maxime
- March 4, 2019 at 10:18 am
  
  Amine Ben Hadj Ali
  Ansys Employee
  
  First of all that would not work using (rpgetvar..) that is now C and not Scheme. You need to use the macros CURRENT_TIME or RP_Get_Real("flow-time").
  
  No further debugging will be provided here.

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