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Search took 0.00 seconds. Search: Posts Made By: ghorrocks
Forum: CFX March 20, 2012, 22:06
Replies: 8
Views: 5,675
Posted By ghorrocks
Here's a few ideas I suspect you missed: * At...

Here's a few ideas I suspect you missed:
* At Re<10^5 or so the flow is laminar. Did you use a laminar flow model?
* above Re>10^6 so or so the flow is turbulent.
* around the 10^5 and 10^6 range...
Forum: CFX March 15, 2012, 16:57
Replies: 8
Views: 5,675
Posted By ghorrocks
That is exactly right :) You should compare the...

That is exactly right :) You should compare the simulations when both solvers are doing the best they can do - or at least good enough for the level of accuracy you require.
Forum: CFX March 14, 2012, 17:09
Replies: 8
Views: 5,675
Posted By ghorrocks
Matching errors between CFD codes is a path to...

Matching errors between CFD codes is a path to nowhere. It does not result in "equivalent" simulations for comparison. You should do a proper mesh with inflation layers for the CFX run.
Forum: CFX March 14, 2012, 16:15
Replies: 8
Views: 5,675
Posted By ghorrocks
It looks like a pretty basic impeller, I would...

It looks like a pretty basic impeller, I would expect separations and similar sorts of non-ideal behaviour with it. I doubt hand calculations can capture this accurately and I have no idea whether SW...
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