k-epsilon not converging after y+ adaptation
I am trying to solver a vehicle ZX symmetry model of a streamlined motorcycle (basically a streamlined body with 2 wheels protruding at the base)
The solver converged on the first run. Afterwards I decided to adapt the mesh to meet the y+ max constraint of 500 for k-e realizable with standard wall function. The model will not converge. What are my options? -2.5M cells -20 meters x 5 meters(symm) x 5 meters -k-e realizable with standard wall functions -moving ground (93.56m/s) -air speed (93.56m/s) -rotating wheels Thank you. |
Ok it seemed to be a problem of mesh quality. Once I got my mesh quality to 0.25 (ICEM) by allowing 0.1 tolerance on the mesh smoother it quickly converged initially and during several Y+ cell refinement adaptations.
Thanks anyway and sorry for the beginner questions. |
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