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Search: Posts Made By: ghorrocks
Forum: CFX July 7, 2011, 20:11
Replies: 6
Views: 1,799
Posted By ghorrocks
Don't forget about the spatial differencing...

Don't forget about the spatial differencing scheme. If you need to minimise diffusion then I recommend you use pure second order differencing (ie hybrid with 1 blend factor).
Forum: CFX July 6, 2011, 20:20
Replies: 6
Views: 1,799
Posted By ghorrocks
No elements should be undefined. Have a close...

No elements should be undefined. Have a close look at them and check they are OK before doing anything else.

The model will always have some decay due to numerical diffusion. You can reduce this...
Forum: CFX July 5, 2011, 20:29
Replies: 6
Views: 1,799
Posted By ghorrocks
There should be any undefined elements. What...

There should be any undefined elements. What elements are undefined?

You need to put a blurring function on the interface. This can be done with a linear blend over a few elements or more complex...
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