Fluids

Fluids

2d oscillating cylinder UDF

    • Alvi007
      Subscriber

      Hello guys. Can someone provide me the user-defined function (UDF) for a 2D transversely oscillating square cylinder? Regards

    • aitor.amatriain
      Subscriber
      UDF for what?
    • Alvi007
      Subscriber
      UDF for the oscillating motion of the cylinder block
    • Rob
      Ansys Employee
      Is it just a non-deforming block that's moving back and forward on a straight line trajectory or arc? If so have a look at sliding mesh and expressions.
    • Alvi007
      Subscriber
      The motion is like this sir. Sinusoidal.
    • Rob
      Ansys Employee
      So the cylinder is moving up and down with time. Have a look at moving mesh, specifically layering. As for tutorials, it's generally covered in the In-cylinder problems as valves move like that.
    • Alvi007
      Subscriber
      Yes sir. I Just need the UDF code for such motion of the cylinder.
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