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Strange spots on 2D surface

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Old   July 30, 2020, 05:23
Default Strange spots on 2D surface
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Alessandro Donadeo
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Hi everyone.
As you can see from the figure, by importing my 2D simulation from STAR CCM+ into Tecplot (.case format) you notice strange "spots" on the surface.
I can't understand what it is due to.
NB: I used a polyhedral mesh.

Thanks.
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