Fluids

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Patching multiple registers

    • sjohn
      Subscriber

      I would like to patch certain length of a pipe starting from the inlet. I created a region (region0) under Cell Register by specifying the coordinates (min & max) but it didn't select the inlet face (seen in blue in the attached figure). I created another region (region1) containing the inlet face but under Patch, it wouldn't allow me to patch both regions.

       

    • sjohn
      Subscriber

      Here is region 0. Not sure why it won't allow me to specify the inlet face as water.

    • Rob
      Forum Moderator

      What do you see if you plot the volume fraction down the z-centre plane?

    • sjohn
      Subscriber

      Iso-surface of water (vol fraction = 1 for water) shows the top region has but I don't expect that because the top inlet is introducing water at 1 g/s. 

      Vol fraction contour at midplane

    • Rob
      Forum Moderator

      That's fine. You may find the inlet gives an odd result depending on what's entering the domain and whether it's done an iteration. 

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