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Search: Posts Made By: ghorrocks
Forum: CFX June 4, 2012, 07:06
Replies: 7
Views: 1,512
Posted By ghorrocks
Whether your simulation achieves your specified...

Whether your simulation achieves your specified residual convergance tolerance or you use double precision numerics has nothing to do with whether fully developed flow has formed.
Forum: CFX June 3, 2012, 21:22
Replies: 7
Views: 1,512
Posted By ghorrocks
No, you cannot work out fully developed flow from...

No, you cannot work out fully developed flow from those details as the fluid properties also contribute. And I do not have time to work it out for you anyway.

Read some basic fluid mechanics...
Forum: CFX June 3, 2012, 19:34
Replies: 7
Views: 1,512
Posted By ghorrocks
I see, you want to apply a zero gradient BC, you...

I see, you want to apply a zero gradient BC, you are not interested in fully developed flow. A zero gradient BC does not mean the flow in front of it is fully developed by the way. To get fully...
Forum: CFX June 3, 2012, 07:02
Replies: 7
Views: 1,512
Posted By ghorrocks
Don't you mean velocity and temperature gradient...

Don't you mean velocity and temperature gradient is zero in the flow direction?

The simplest way to do these sort of flows is by using a periodic boundary with your defined flow rate and heat...
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