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Forum: CFX

June 5, 2012, 19:31

Replies: 19

How to find a good time scale strategy?

Views: 10,509

Posted By ghorrocks

I am not sure what you mean here - did you use...

I am not sure what you mean here - did you use zero for the reference pressure before or now that it works? You need to set the reference pressure to a sensible value so the variations from the...

Forum: CFX

May 10, 2012, 06:45

Replies: 19

How to find a good time scale strategy?

Views: 10,509

Posted By ghorrocks

This question is a FAQ: ...

This question is a FAQ:
http://www.cfd-online.com/Wiki/Ansys_FAQ#My_steady_state_solution_converges_for_a_while_but_stops_converging_before_reaching_my_convergence_criteria

Forum: CFX

May 2, 2012, 18:23

Replies: 19

How to find a good time scale strategy?

Views: 10,509

Posted By ghorrocks

1) Mesh quality requirements depend on the model....

1) Mesh quality requirements depend on the model. These figures sound OK for general modelling, but you have transonic flow and that is harder to converge. But I think in your case the main issue is...

Forum: CFX

May 1, 2012, 19:33

Replies: 19

How to find a good time scale strategy?

Views: 10,509

Posted By ghorrocks

Some general comments first: 1) You are using...

Some general comments first:
1) You are using an isothermal model. You need to the total energy option to do compressible flow.
2) Your inlet boundary is far too close to the action. You need to...

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