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Preprocessing

CGNS MESH: SURFACE AND VOLUME MESH IN ICEM

    • ores96
      Subscriber

      I have a mesh in .cgns format to analyze in FLUENT and to do this I have to supply the boundary conditions.

      I first imported the .cgns mesh into ICEM but it didn't produce results in the tree, so, I imported the mesh into CFX PRE by saving a .del file. The file is subsequently imported into ICEM.

      In the tree I now find two parts that refer to unconnected meshes for the same domain: surface mesh (external) which is called "DEFAULT-DOMAIN-DEFAULT" and volume mesh (internal) "DEFAULT-DOMAIN". I need to join the two meshes to obtain a single mesh part (i.e. a single mesh).

      I have already realized the surfaces. My idea is to attach the mesh to the surfaces and then apply the boundary conditions to each single part.

    • Keyur Kanade
      Ansys Employee
      If I understand correctly, you have 2 different meshes. One external and one internal. They meet at some interface. I assume you have exactly same mesh on the interface.
      You can use edit mesh  merge nodes in icem.
      Or you can use domain - zones - combine - fuse in Fluent.
      Please go through help manual for more details
      48.2.40. Fuse Face Zones Dialog Box (ansys.com)
      Regards Keyur
      How to access Ansys Online Help Document
      Guidelines on the Student Community

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