28.07.2013 Views

Elliptic-blending k - ε model

Elliptic-blending k - ε model

Elliptic-blending k - ε model

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

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

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!