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Forum: CFX

May 8, 2013, 22:48

Replies: 10

Flow around a cylinder with k-epsilon model

Views: 3,348

Posted By ghorrocks

Agreed, SST or k-w are the turbulence models to...

Agreed, SST or k-w are the turbulence models to try here.

But second order time stepping is a MUST. You will need this.

Forum: CFX

May 7, 2013, 19:41

Replies: 10

Flow around a cylinder with k-epsilon model

Views: 3,348

Posted By ghorrocks

You need a low-dissipation numerical model to get...

You need a low-dissipation numerical model to get the vorticies. Are you using a second order space and time discretisation scheme? And time steps small enough (adaptive timestepping is STRONGLY...

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