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Forum: CFX

December 13, 2019, 06:28

Replies: 6

Lobe pump CFX analysis; transient

Views: 1,072

Posted By Gert-Jan

For a Lobe pump, this does not hold. For flows...

For a Lobe pump, this does not hold.
For flows where jets either stick on the wall or not, due to a Coanda effect, I consider this as proof for a transient problems, poor converged, incorrect BC,...

Forum: CFX

December 13, 2019, 02:53

Replies: 6

Lobe pump CFX analysis; transient

Views: 1,072

Posted By Gert-Jan

In principle, a converged steady state flow...

In principle, a converged steady state flow solution should not depend on the intial guess. But since you are running transient I'm a little lost. So, I do not understand what you are saying or what...

Forum: CFX

December 10, 2019, 05:01

Replies: 6

Lobe pump CFX analysis; transient

Views: 1,072

Posted By Gert-Jan

Normally, you start a transient calculation from...

Normally, you start a transient calculation from a steady state simulation. So, the steady state solution is your initial guess.

If you have immersed solids, you normally start with zero velocity....

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