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Forum: CFX February 29, 2012, 05:57
Replies: 7
Views: 3,234
Posted By ghorrocks
If you are getting that high imbalances are you...

If you are getting that high imbalances are you sure your simulation is converged?

CFX can model what you are talking about, the problem is with your set up. It is just a matter of finding the...
Forum: CFX February 20, 2012, 05:14
Replies: 7
Views: 3,234
Posted By ghorrocks
In that the flow is almost certainly full 3D and...

In that the flow is almost certainly full 3D and transient. You can model the top free surface with a slip wall with a convection boundary condition if you like, this is pretty crude but a reasonable...
Forum: CFX February 20, 2012, 00:54
Replies: 7
Views: 3,234
Posted By ghorrocks
No, the first thing to do is to work out the...

No, the first thing to do is to work out the Rayleigh number. Only then will you know what type of flow you are going to get, then you make the decision of a 3D or 2D mesh from that. What is the...
Forum: CFX February 19, 2012, 16:26
Replies: 7
Views: 3,234
Posted By ghorrocks
I see many problems with what you have said so...

I see many problems with what you have said so far:

* For a steady state run you need to balance the heat inputs to the system. Your hot tube is putting heat into the system, so where is it coming...
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