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Forum: CFX

June 13, 2012, 07:30

Replies: 5

Mesh Expansion Factor value acceptable??

Views: 2,779

Posted By ghorrocks

Some suggestions: 1) Do a literature search....

Some suggestions:

1) Do a literature search.
2) Do your own models of stuff with accurate analytical or experimental results, such as pressure in a spherical drop or capilliary flow or what ever...

Forum: CFX

June 12, 2012, 19:42

Replies: 5

Mesh Expansion Factor value acceptable??

Views: 2,779

Posted By ghorrocks

There are no general rules, especially if you are...

There are no general rules, especially if you are modelling an unusual case (your small geometry means general rules of thumb probably don't work). You will have to do sensitivity checks and work out...

Forum: CFX

June 11, 2012, 20:12

Replies: 5

Mesh Expansion Factor value acceptable??

Views: 2,779

Posted By ghorrocks

It is just a warning. But free surface models are...

It is just a warning. But free surface models are pretty sensitive to high expansion ratios like this so you will probably have to improve your mesh quality.

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