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Forum: ANSYS Meshing & Geometry

February 16, 2011, 02:02

Replies: 10

shadding vortex

Views: 1,883

Posted By -mAx-

If you get oscillations with a steady solver,...

If you get oscillations with a steady solver, then the oscillations are due to the convergence. Understand you solution is moving untill it reaches its converged value (if your model has a steady...

Forum: ANSYS Meshing & Geometry

February 14, 2011, 01:31

Replies: 10

shadding vortex

Views: 1,883

Posted By -mAx-

there are formulas for k and eps. Check online...

there are formulas for k and eps.
Check online help chapter 7.2.2 "Determining Turbulence Parameters"

Forum: ANSYS Meshing & Geometry

February 11, 2011, 11:25

Replies: 10

shadding vortex

Views: 1,883

Posted By -mAx-

k and eps are fixed (you impose a specific...

k and eps are fixed (you impose a specific turbulent flowfield given by Re >> check litterature)
So you are not supposed to change their values as you are not supposed to change the inlet velocity...

Forum: ANSYS Meshing & Geometry

February 11, 2011, 06:05

Replies: 10

shadding vortex

Views: 1,883

Posted By -mAx-

I answered to this question No the...

I answered to this question

No the phenomenon doesn't depend on the turbulence model, but on the Reynolds number

Forum: ANSYS Meshing & Geometry

February 10, 2011, 02:01

Replies: 10

shadding vortex

Views: 1,883

Posted By -mAx-

here one example for laminar flow: 6437

here one example for laminar flow:
6437

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