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Forum: OpenFOAM

February 11, 2011, 15:20

Replies: 2

__Backward Facing Step simulation problems__

Views: 1,810

Posted By maysmech

inlet velocity turbulence was 0% in above...

inlet velocity turbulence was 0% in above snapshots. i changed it to 10%. So reattachment point becomes 8.5H instead of before 11H. H is step height. In Driver & Seegmiller reattachment should be 6H....

Forum: OpenFOAM

January 30, 2011, 10:48

Replies: 2

__Backward Facing Step simulation problems__

Views: 1,810

Posted By maysmech

I want validate OpenFOAM with this test case. but...

I want validate OpenFOAM with this test case. but it doesn't lead to success. i've ran it with kEpsilon, LRR and LES and their results are not acceptable.

Anyone know about this validation(BFS)?

Forum: OpenFOAM

January 27, 2011, 02:33

Replies: 2

__Backward Facing Step simulation problems__

Views: 1,810

Posted By maysmech

__Backward Facing Step simulation problems__

Dear Foamers,
I have simulated backward facing step with LES model.
i created geometry with 200,000 grid. it is 3D with cyclic B.C for front and back walls. inlet conditions (U and k) are set same...

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