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Hello Nektar community,

I want to simulate a two-pass square channel with rotation effect using the Nektar++ solver. First, I tested 2D geometry, and it worked. However, when I tried to add rotation, it didn't work. As far as I'm aware, Nektar's rotation is constrained on the z axis, therefore I built my channel around that. I created "GEOMETRY DIM="2" SPACE="3">" so that a 2D mesh could be obtained in 3D space and rotated about the z-axis. Nevertheless, I keep getting the message "Fatal: Level 0 assertion violation output coord 2 is not defined." Who can advise me on what to do? I truly appreciate it.

Thanks,

Ali A. Abdulrasool

University of Kerbala

website  :  https://uokerbala.edu.iq/en/
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