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Search: Posts Made By: Anna Tian
Forum: CFX August 12, 2012, 14:30
Replies: 9
Views: 1,679
Posted By Anna Tian
' A physical instability, such as vortex...

'
A physical instability, such as vortex shedding - the fix here is to use a larger timescale, a coarser mesh in the vortex shedding region, decrease the blend factor (if using hybrid...
Forum: CFX August 12, 2012, 14:25
Replies: 9
Views: 1,679
Posted By Anna Tian
Question I only care about the pressure drop. I don't care...

I only care about the pressure drop. I don't care about the vortex at all. But I'm wondering if I don't solve the vortex, could the simulation pressure drop results still be accurate?
Forum: CFX August 11, 2012, 06:40
Replies: 9
Views: 1,679
Posted By Anna Tian
Sorry, I'm not allowed to reveal that geometry....

Sorry, I'm not allowed to reveal that geometry. But do you mean that I can solve this problem by refining the mesh and match the mesh with the fluid behavior?
Forum: CFX August 10, 2012, 17:43
Replies: 9
Views: 1,679
Posted By Anna Tian
Question Question about coarsening the mesh to improve convergence

Hi

I have vortex at some domains of my case. The FAQ suggests me to coarsen the mesh to improve the convergence. But that will decrease the accuracy. Is there any other ways to improve the...
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