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Forum: CFX

July 25, 2009, 06:37

Replies: 8

ANSYS CFX Adaptive Timestep

Views: 5,156

Posted By ghorrocks

You will need to contact the CFX distributor for...

You will need to contact the CFX distributor for access to the 6DOF solver features. While you are at it, download the V12 iso from the ANSYS Customer page website and save yourself a wait.

Glenn...

Forum: CFX

July 24, 2009, 01:28

Replies: 8

ANSYS CFX Adaptive Timestep

Views: 5,156

Posted By ghorrocks

Hi, Have you considered doing it with the...

Hi,

Have you considered doing it with the new immersed solid and 6DOF solver? It should work nicely for this type of problem. The 6DOF solver is a beta feature in V12.

Glenn Horrocks

Forum: CFX

July 23, 2009, 22:31

Replies: 8

ANSYS CFX Adaptive Timestep

Views: 5,156

Posted By ghorrocks

Hi, The timestep size you use for a...

Hi,

The timestep size you use for a transient simulation should be determined by a sensitivity analysis. It is not uncommon for multiphase flows (especially ones with surface tension) to require...

Forum: CFX

July 23, 2009, 21:30

Replies: 8

ANSYS CFX Adaptive Timestep

Views: 5,156

Posted By ghorrocks

Yes, I think you are right. Have a look in the...

Yes, I think you are right. Have a look in the CEL expression reference section of the manual for further details.

Also CFX is an implicit solver and therefore is not restricted to Courant number...

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