Need Help With Meshing

- December 14, 2022 at 12:09 pm
  
  Jackson Ng
  Subscriber
  
  Hi all, I'm trying to simulate fluid flow through this geometry:
  I have separated the solid into 3 distinct parts: the void, the outer cylindrical shell, and the interior.
  Because I am using the students' version, I am limited to < 512k nodes. I can't seem to mesh the 3 different parts using 3 different element sizes. I'm thinking of adopting a coarse mesh for the cylindrical wall + interior but a refined mesh for the void space.
  Can someone please help?
- December 14, 2022 at 1:18 pm
  
  Rob
  Ansys Employee
  
  What else are you modelling? I ask you'll only need the metal bits if you have heat transfer and you may be able to model a 1/4 or 1/8 section.
- December 17, 2022 at 5:14 am
  
  Jackson Ng
  Subscriber
  
  Hi Rob, thank you for replying. This is all that I am modelling. I’m trying to study how changing length and diameter of the little rods (interior) affect heat and mass transfer (I’ll account for reactions in later stages of this project). I considered exploiting the cylindrical geometry but I can’t seem to ‘fill’ the void for fluid region meshing when using only a quadrant.

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