Elliptic-blending k - ε model
Elliptic-blending k - ε model
Elliptic-blending k - ε model
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Validation<br />
Convergence<br />
Best convergence rate obtained when initial flow condition from:<br />
Turbulence Specification:<br />
turbulence intensity + turbulent viscosity ratio<br />
with Tu = 5% and TVR = 200.<br />
All cases computed in Double Precision.<br />
Residual<br />
1<br />
0.01<br />
1E−4<br />
1E−6<br />
1E−8<br />
1E−10<br />
1E−12<br />
1E−14<br />
1E−16<br />
1E−18<br />
0 1000 2000 3000 4000 5000<br />
Iteration<br />
Continuity<br />
X−momentum<br />
Y−momentum<br />
Tke<br />
Tdr<br />
Phi<br />
Alpha<br />
1E−12<br />
0 200 400 600 800<br />
Iteration<br />
1000 1200 1400<br />
Channel flow backward-facing step<br />
Residual<br />
10<br />
1<br />
0.1<br />
0.01<br />
0.001<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 />
Continuity<br />
X−momentum<br />
Y−momentum<br />
Tke<br />
Tdr<br />
Phi<br />
Alpha