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Forum: OpenFOAM Running, Solving & CFD

February 24, 2011, 07:17

Replies: 17

LowRe-SST in OpenFOAM 1.7?

Views: 9,039

Posted By FelixL

Hello, Bastian, well it depends upon...

Hello, Bastian,

well it depends upon which scheme you are using for div(phi,omega)?

If you've got e.g.:

div(phi,omega) Gauss linearUpwind Gauss linear;

you can apply a multi-dimensional...

Forum: OpenFOAM Running, Solving & CFD

February 16, 2011, 15:18

Replies: 17

LowRe-SST in OpenFOAM 1.7?

Views: 9,039

Posted By FelixL

Hello, Anne, "bounding omega" only occurs...

Hello, Anne,

"bounding omega" only occurs when there are negative or zero values of omega appearing in some CVs - high values usually aren't a problem. These negative values most likely happen...

Forum: OpenFOAM Running, Solving & CFD

February 16, 2011, 07:39

Replies: 17

LowRe-SST in OpenFOAM 1.7?

Views: 9,039

Posted By FelixL

Hello, Anne, according to D.C. Wilcox and...

Hello, Anne,

according to D.C. Wilcox and his pertubation analysis, setting omega at the first near wall cell to

\omega_{\rm w}={{6\nu}\over{\beta y^2}}

is the asymptotically correct wall...

Forum: OpenFOAM Running, Solving & CFD

November 12, 2010, 10:13

Replies: 17

LowRe-SST in OpenFOAM 1.7?

Views: 9,039

Posted By FelixL

Hello, Peter, many turbulence models...

Hello, Peter,

many turbulence models based upon the turbulence quantities k and omega can be integrated down to the wall without further addition of viscous damping functions like it is...

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