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Forum: OpenFOAM Verification & Validation

May 24, 2015, 05:13

Replies: 9

Velocity curve in channel flow by pisoFoam and LES

Views: 3,391

Posted By itchy

Hi, how do you simulate the channel??? ...

Hi,

how do you simulate the channel???

I would do it like this:

1. Use pimpleFoam (no relaxation in final iteration, do residualControl with very low values!)
2. use fvOptions with...

Forum: OpenFOAM Verification & Validation

May 19, 2015, 00:41

Replies: 9

Velocity curve in channel flow by pisoFoam and LES

Views: 3,391

Posted By itchy

hi m.goudarzi...

hi m.goudarzi (http://www.cfd-online.com/Forums/members/m.goudarzi.html),

do you use Van Driest damping??? The OneEqModel behaves wrong at the wall. You have to use van Driest damping!! Or you can...

Forum: OpenFOAM Verification & Validation

September 23, 2014, 09:14

Replies: 9

Velocity curve in channel flow by pisoFoam and LES

Views: 3,391

Posted By itchy

Hi, that sounds like to coarse mesh. Which...

Hi,

that sounds like to coarse mesh. Which LES Model do you use??? Is your case really turbulent in the LES simulation. Is your case statistically stationary. Have you checked this??

kind...

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