To set the under-relaxation factor for the turbulence solver, select the turbulence solver node in the Solvers node. The example below shows the selection of the K-Epsilon Turbulence solver . The Under-Relaxation Factor property can be entered in the Properties window.
The default under-relaxation factor should be adequate for most situations. These are shown below for the various turbulence solvers:
|
Turbulence Solver
|
|
Under-Relaxation Factor
|
|---|---|---|
| Spalart-Allmaras |
0.7 |
|
| K-Epsilon |
0.8 |
|
| K-Omega |
0.8 |
|
| Reynolds-Stress Transport |
0.6 |