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Showing results 1 to 12 of 12 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX September 19, 2015, 06:45

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks I see two main issues - you are fiddling with the... I see two main issues - you are fiddling with the GGI intersection parameters. Leave these at default; and you are using mesh motion but not defining any mesh motion. Your simulation is a rotating...

Forum: CFX September 17, 2015, 18:45

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks This is not correct. A TRS interface is... This is not correct. A TRS interface is recalculated every time step and I have used this many times. Something is wrong with your simulation if this is not happening. Please post your CCL.

Forum: CFX May 12, 2014, 20:28

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks OK, I think we have made some progress. TRS works... OK, I think we have made some progress. TRS works fine for matching up the mesh interfaces as long as you are happy for the non-overlapping section to be a wall. If you want the non-overlapping...

Forum: CFX May 12, 2014, 18:38

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks I see, we might be talking to crossed purposes... I see, we might be talking to crossed purposes here. The image you shows has the interface functioning perfectly - so it looks like a TRS interface is working fine. You issue seems to be the wall...

Forum: CFX May 11, 2014, 06:42

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks Interesting - because I have 100% confidence that... Interesting - because I have 100% confidence that is does work (well, at least did work) because I have used it several times. I will admit that the last time I used it was many years ago although I...

Forum: CFX May 10, 2014, 08:19

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks TRS works fine with a translating mesh when the... TRS works fine with a translating mesh when the translation is done as a moving mesh. If you are using a translating frame of reference it does not surprise me things don't work - that's why...

Forum: CFX May 4, 2014, 08:35

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks This happens when the simulation diverges. To fix... This happens when the simulation diverges. To fix this you need to improve the numerical stability. You can do this by some combination of: * Better quality mesh * Smaller time steps * Double...

Forum: CFX May 1, 2014, 18:25

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks Can you explain what is happening around the 50th... Can you explain what is happening around the 50th time step? I recall you have rod things which are closing up a gap. Is this just before the rods close the gap? An image of what the mesh looks like...

Forum: CFX April 30, 2014, 00:50

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks You have a velocity specified inlet with an... You have a velocity specified inlet with an incompressible fluid, and you have talked about an interface opening and shutting. If fluid is forced to flow in the inlet and it is not connected to the...

Forum: CFX April 28, 2014, 19:57

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks This interface connecting a domain with moving... This interface connecting a domain with moving mesh (for translational motion) to a stationary domain works fine. You need to use transient rotor/stator interface setting. CFX can handle...

Forum: CFX April 28, 2014, 18:16

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks These posts are 4 years old, it is unlikely you... These posts are 4 years old, it is unlikely you will get any response except from the tragics like me :) But my post from 4 years ago still stands - use moving mesh to do it.

Forum: CFX August 29, 2010, 18:59

Replies: 46 sliding mesh problem in CFX Views: 13,255 Posted By ghorrocks To do anything but rotation you need to use... To do anything but rotation you need to use general moving mesh. Translating mesh is meant to be a beta feature but I have never used it and cannot guarantee it works - talk to CFX support if this is...

Showing results 1 to 12 of 12

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