Extra faces detected in geometry
Hey all,
I have been working on this issue for some time and I can't figure it out. The case is fairly simple. I wish to simulate a 2D stirred tank. To do this, I have a square which represents the fluid. Then there is a small rectangular zone inside it which will act as the impeller. Later I will specify fixed velocity in this zone. Now to the issue. I create named selections seperately for the outer fluid zone and the impeller zone. Also a named selection for the outer wall. The issue is in addressing the interface between the impeller zone and the outer zone. When importing in FLUENT, it treats it like a wall, and I can't change it to interior. It would be great if someone could help me out. Thanks in advance. Ajinkya |
Did you subtract the inner zone from the outer zone? I mean that are you sure that you have two different zone: one impeller and the other as fluid.
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Hey,
Yes, I am sure that there are two zones. I can name them seperately. I have created the geometry using Design Modeller and have kept the first surface as frozen while making the second surface. I have not subtracted the surfaces but rather created two surfaces from two sketches. I will check how subtraction can make a difference. Thanks, Ajinkya |
Subtraction is the only way to make an interface. Once you make the subtraction either Ansys meshing will automatically create an interface or you can create it from 'connections'.
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Then in the Ansys mesher create two named selections from the two surfaces. This way, there wont be any walls between the domains and you wont even need interfaces. |
Hey,
Yup that did the trick. Just learned that this called a multi-body part. Thanks for your help vasava and flotus1. Ajinkya |
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