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Forum: CFX

October 12, 2011, 06:48

Replies: 5

smaller timestep leads not to converge

Views: 2,599

Posted By ghorrocks

I am no expert on FSI but I am sure it is smart...

I am no expert on FSI but I am sure it is smart enough to be able to handle a reference pressure. This is really basic stuff. And very important for exactly the reason you have found.

Forum: CFX

October 11, 2011, 17:38

Replies: 5

smaller timestep leads not to converge

Views: 2,599

Posted By ghorrocks

You should set the outlet to 0Pa pressure and use...

You should set the outlet to 0Pa pressure and use the reference pressure to give the correct absolute pressure. Using a large outlet pressure causes large round-off errors which will get worse when...

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