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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Non-Intersected faces found for matching interface periodic-walls › Reply To: Non-Intersected faces found for matching interface periodic-walls

October 8, 2024 at 2:59 pm
Rob
Forum Moderator

No, 90 degrees is generally a good angle - you've reduced the cell count but not created a sharp angle at the axis. It's the right choice in many cases....  The solver is usually very good at the calculation. Can you set the fluid rotation reference (axis) to x (default is z) and recalculate? I'm wondering if that's an issue.Â