Elliptic-blending k - ε model
Elliptic-blending k - ε model
Elliptic-blending k - ε model
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Validation<br />
Convergence<br />
For all cases shown below, the best convergence rate was obtained<br />
when the initial flow condition were computed from: Turbulence<br />
Specification: turbulence intensity + turbulent<br />
viscosity ratio with Tu = 5% and TVR = 200. The following<br />
cases were also run in Double Precision to validate the linearization<br />
method.<br />
Residual<br />
10<br />
0.001<br />
1<br />
0.1<br />
0.01<br />
1E−4<br />
1E−5<br />
1E−6<br />
1E−7<br />
1E−8<br />
1E−9<br />
1E−10<br />
1E−11<br />
1E−12<br />
1E−13<br />
1E−14<br />
1E−15<br />
1E−16<br />
1E−17<br />
1E−18<br />
1E−19<br />
0 2000 4000 6000 8000 10000<br />
Iteration<br />
12000 14000 16000 18000 20000<br />
1E−17<br />
0 400 800 1200 1600 2000 2400 2800<br />
Iteration<br />
Diffuser 2d naca 4412<br />
Residual<br />
10<br />
0.1<br />
0.001<br />
1E−5<br />
1E−7<br />
1E−9<br />
1E−11<br />
1E−13<br />
1E−15<br />
Continuity<br />
X−momentum<br />
Y−momentum<br />
Tke<br />
Tdr<br />
Phi<br />
Alpha
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