Yes indeed. When i turn on 2D axi-swirl i can indeed set a rotating angular velocity for the wall. In addition, I moved the axis to y=0, which helped Thank you!
However, I have problems with stability and i think perhaps my mesh / geometry or the way I have created the geometry is sub optimal.
The image above is the geometry i have created with SpaceClaim. Where i have detatched the two surfaces and called the bottom square "solid" (which is essentially just included to create the "axis" boundary condition for the lowest line of the square" ) and top square "fluid". This creates quite a few different bounderies when imported to Fluent.
Do you have some tips on how to properly define these surfaces?
Thank you very much for the help! Much appreciated
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