Are shell elements necessary to use?

    • El_Manguangua

      Hi! I hope you are all doing great!

      I'm working on a project in which I have to study The FSI (Fluid-Solid interaction) Between air and an aircraft wing. The interaction occurs specifically between air and the skin of the wing, I'm attaching a picture of said skin (it has been meshed already):

    • Vigneswaran Sridharan
      Ansys Employee
      Hey You could also use Shell/3D surface elements (Like Shell181, Shell281) with mid-surface extraction in SpaceClaim (Refer toMidsurface tutorial (
      But, keep in mind you cannot generate a Midsurface unless the faces have a constant wall thickness. In SC, the Midsurface tool will not select the non-parallel faces.
      Nodes on Shell elements have 6 Dof's. Hence MPC based bonded contact should be used to connect shell and solid elements.
      Refer to this video for more info on understanding shell elements.

      Ansys Help
      Rules & Guidelines ÔÇö Ansys Learning Forum

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