|March 11, 2014, 17:31||
Geometry and meshing stirred tank
Join Date: Jun 2012
Posts: 2Rep Power: 0
I'm trying to mesh a stirred tank, but I'm having some problems,in this moment I am considering only the fluid and one impeller (a rhuston turbine), however the final reactor have: 2 impeller, 8 “accessories” (4 from the bottom and 4 from the top), 1 sparger and 4 baffles, the first image is a first approximation, I know I must simplify it.
I’m working in Design Modeler and because of the complexity of the model I started with only one agitator and the tank, then I generated the “fluid”, and after that volume for MRF with “slice material” thenI extracted the volume of the impeller with “slice material”and “suppres body”. (Second image)
I tried meshing (ICEM ansys meshing) with hex dominant (External volume or fluid) and tetra (internal MRF), but when I execute it on fluent it doesn’t converge, I tried also meshing just tetra and it improved but still doesn’t converge.
How can I improve the meshing?
Am I creating the volume properly?
MRF or Sliding mesh? I work with MRF but I read that by the number of accessories is better work with sliding.
Thanks in advance
Last edited by laolartet; March 18, 2014 at 00:29. Reason: New image
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