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Forum: OpenFOAM Running, Solving & CFD

August 31, 2015, 18:28

Replies: 3

Cd or drag coeeficient converges and then diverges

Views: 1,316

Posted By vitocorleone

Correction - Re= 3900 and I have a decent mesh or...

Correction - Re= 3900 and I have a decent mesh or I belive..my Yplus obtaine dfrom Yplus RAS is less than 6 and I am not using any wall functions.
I have already run this simulation for about 60...

Forum: OpenFOAM Running, Solving & CFD

August 31, 2015, 17:30

Replies: 3

Cd or drag coeeficient converges and then diverges

Views: 1,316

Posted By vitocorleone

Cd or drag coeeficient converges and then diverges

Hello All,
Please find below the plot for Cd for Flow past cylinder (RE=3900, RANS type SST k omega), it seems to stay steady for a while and then starts diverging and oscillating. My residual...

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