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Eric-
Just
to clarify the mesh vs grid comment. Really, the grid size has nothing to do
with the mesh but it did give me insight into you model size or scale compared
to the mesh size. Your outer circle has a diameter of 1200 and your mesh was
0.10 . Wow! Like I said, that is not necessary in the air region. As with all
Finite Element packages, you must balance the amount of mesh require to give a
good answer to the the amount of time needed to crunch a very fine mesh. I
usually start with a fairly coarse mesh and reduce it as
needed.
Kevan
Guy
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