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February 15, 2013, 03:22 |
SAS Confusion
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#1 |
Senior Member
Philipp
Join Date: Jun 2011
Location: Germany
Posts: 1,297
Rep Power: 26 |
Dear experts,
I am once again confused. Look at the two pictures: Fluent 13.0 FLU.jpg Fluent 14.5 FLU2.jpg It's a flow over a bluff body, flow enters on the left (velocity inlet) and leaves on the right (pressure outlet). Front and back are symmetry planes, top and bottom are periodic. Pictures show iso surfaces of Turb. Kin. Energy. Both flows use the same grid, the same initialization, settings and so on. SAS turbulence model! (14.5 looks like URANS) Did they change anything from 13.0 to 14.5 that could cause such a difference?
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