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Search: Posts Made By: ghorrocks
Forum: CFX December 17, 2012, 05:36
Replies: 16
Views: 12,230
Posted By ghorrocks
The recommended approach is to use adaptive time...

The recommended approach is to use adaptive time stepping homing in on 3-5 coeff loops per iteration. Courant Number time stepping is not recommended as Courant number is not a fundamental parameter...
Forum: CFX December 14, 2012, 05:30
Replies: 16
Views: 12,230
Posted By ghorrocks
Total pressure and Static pressure are reported...

Total pressure and Static pressure are reported in CFX as gauge pressures, that is they are offset by the reference pressure. The Absolute pressure is exactly that - the absolute pressure with no...
Forum: CFX December 13, 2012, 06:49
Replies: 16
Views: 12,230
Posted By ghorrocks
You forgot to mention the most important bit -...

You forgot to mention the most important bit - the relevant non-dimensional numbers. I will assume this flow is low Ma number (so incompressible) and moderate Re number (so fully turbulent, but with...
Forum: CFX December 9, 2012, 05:42
Replies: 16
Views: 12,230
Posted By ghorrocks
Can you explain what you are modelling? Or if you...

Can you explain what you are modelling? Or if you have already explained it post a link to the thread which explains it? You probably have explained it before but there are so many threads on the...
Forum: CFX December 8, 2012, 05:57
Replies: 16
Views: 12,230
Posted By ghorrocks
By the way, I think you will find...

By the way, I think you will find areaAve(Density)@Inlet * areaAve(Velocity)@Inlet ^2 does not equal areaAve(Density*Velocity^2)@Inlet. Be careful how you write expressions like this - I suspect the...
Forum: CFX December 2, 2012, 18:06
Replies: 16
Views: 12,230
Posted By ghorrocks
Here's a more complete explanation: * Create...

Here's a more complete explanation:

* Create a contour object. Make its "Locations" the sail surface, and the "Variable" such that it creates contours on surface you wish to view - X, Y or Z; or a...
Forum: CFX December 1, 2012, 15:48
Replies: 16
Views: 12,230
Posted By ghorrocks
Draw contours of x, y or z (or any function you...

Draw contours of x, y or z (or any function you like to generate other shapes) on the sail surface. Then draw your function on these contour lines.
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