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Forum: CFX

November 21, 2010, 05:25

Replies: 5

CFX Ansys convergence(RMS or Max Residual)

Views: 17,931

Posted By ghorrocks

I have no idea what you mean by that, but you...

I have no idea what you mean by that, but you seem to misunderstand me. You need to establish convergence sensitivity on ALL parameters - mesh, time step size, convergence, imbalances, any other...

Forum: CFX

November 20, 2010, 06:13

Replies: 5

CFX Ansys convergence(RMS or Max Residual)

Views: 17,931

Posted By ghorrocks

SST vs BSL vs K-E - it depends what you are...

SST vs BSL vs K-E - it depends what you are trying to model. They all have strengths and weaknesses. There are many types of flow none of them can handle.

The concept of a sensitivity analysis is...

Forum: CFX

November 19, 2010, 16:54

Replies: 5

CFX Ansys convergence(RMS or Max Residual)

Views: 17,931

Posted By ghorrocks

Neither. The comments you have read are just...

Neither. The comments you have read are just generalisations.

You have to do a sensitivity study and see how tight you need for your particular case.

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