I'm doing an introduction to CFD with a Backward Facing Step. I've done a Sweep Mesh (triangle), Face Sizing, Boundary Layer Inflation and then a Sphere of Influence.
The Mesh came out fine, but when I do a solution, (1) it takes a really long time (5s per iteration) and (2) the 1st Order Converges, but the 2nd Order does not (even though I'm not initializing).
Any pointers, and if so why is it doing this.
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