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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it’s sphere or cylinder. › Reply To: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it’s sphere or cylinder.

November 1, 2021 at 2:29 pm
Rob
Forum Moderator
You are correct re the force/coefficient calculation. The force is calculated on each facet and then summed for the reports.
Not sure about the domain sizing, it's about right for a 3d sphere but in 2d it means you've got a blockage factor of around 10% which may be too high. What are the boundary conditions?