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NaN or Inf found when solving linear system using SOR in Turbulent (k-e)

Posted Jan 27, 2020, 7:19 p.m. EST Fluid & Heat, Computational Fluid Dynamics (CFD) Version 5.5 0 Replies

Moin
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Hi,

I am trying to model mixing using k-e turbulent model in a stirred tank. I am using the same geometry and physics set-up as mentioned in the mixer modular tutorial (https://www.comsol.com/model/modular-mixer-16903), however I am using backswept impeller instead of pitched impeller.

I am getting the error "NaN or Inf found when solving linear system using SOR". I have tried using a fimer mesh but the solution is still not converging.

Attached is the .mph file.

Any help would be appreciated!

Cheers,

Moin

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Moin
0 Replies Last Post Jan 27, 2020, 7:19 p.m. EST
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Hello Moin

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