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Forum: OpenFOAM Running, Solving & CFD

April 23, 2020, 22:35

Replies: 6

the value of k and Epsilon is constantly increasing

Views: 3,277

Posted By aow

One more thing I thought I should mention is that...

One more thing I thought I should mention is that your k and epsilon values have already hit "bounding" values on your first solver iteration at time = 0.0001 s, which tells me something is...

Forum: OpenFOAM Running, Solving & CFD

April 23, 2020, 22:18

Replies: 6

the value of k and Epsilon is constantly increasing

Views: 3,277

Posted By aow

Hi Saidc, Sorry for the slow reply... I've...

Hi Saidc,

Sorry for the slow reply... I've been busy with work and have not paid attention to CFD Online lately.

Hmm, well there doesn't seem to be anything obviously wrong with your solution...

Forum: OpenFOAM Running, Solving & CFD

March 1, 2020, 18:21

Replies: 6

the value of k and Epsilon is constantly increasing

Views: 3,277

Posted By aow

Sorry that didn't help at all. Did you use...

Sorry that didn't help at all. Did you use blockMesh and snappyHexMesh or are you importing the mesh entirely from Salome? I've never used Salome so I'm not familiar with what sort of results it...

Forum: OpenFOAM Running, Solving & CFD

February 29, 2020, 16:52

Replies: 6

the value of k and Epsilon is constantly increasing

Views: 3,277

Posted By aow

Hi Said, Looking at your values for k and...

Hi Said,

Looking at your values for k and \varepsilon, it seems like they might be a bit off. Taking \ell_\mathrm{turb}=0.07D_\mathrm{Hydraulic}, I=0.16Re^{-1/8}, k=\frac{3}{2}(UI)^2, and...

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