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Showing results 1 to 7 of 7 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX February 17, 2017, 01:42

Replies: 23 Problem rotating frame of reference. Views: 3,721 Posted By ghorrocks Have you been through the FAQ:... Have you been through the FAQ: https://www.cfd-online.com/Wiki/Ansys_FAQ#Why_are_my_results_inaccurate.3F There is probably a simple error in it. I can't see it so far. Have you done the...

Forum: CFX February 15, 2017, 05:02

Replies: 23 Problem rotating frame of reference. Views: 3,721 Posted By ghorrocks A common misconception. Do not do this - how do... A common misconception. Do not do this - how do you know the transient effects have faded out? Also this approach is much slower than doing a series of steady state simulations. As for your first...

Forum: CFX February 14, 2017, 16:42

Replies: 23 Problem rotating frame of reference. Views: 3,721 Posted By ghorrocks If the device only rotates then you do not need... If the device only rotates then you do not need mesh motion. It can be done as rotating frame of reference. You only need mesh motion if it does some other motion (eg translates and rotates) or it...

Forum: CFX February 14, 2017, 00:05

Replies: 23 Problem rotating frame of reference. Views: 3,721 Posted By ghorrocks Probably - but I do not know what your enclosure... Probably - but I do not know what your enclosure is. I can guess what your turbine is. This question is best asked on the geometry and meshing forum. But before you do, make sure you do the...

Forum: CFX February 13, 2017, 21:18

Replies: 23 Problem rotating frame of reference. Views: 3,721 Posted By ghorrocks If frozen rotor is an applicable frame change... If frozen rotor is an applicable frame change model for you then yes. From what I can see of your model I suspect it is appropriate.

Forum: CFX February 13, 2017, 19:43

Replies: 23 Problem rotating frame of reference. Views: 3,721 Posted By ghorrocks The rotor goes in a rotating frame of reference... The rotor goes in a rotating frame of reference and the stationary rectangular duct goes in a stationary frame of reference. So there will be 2 domains, and they are connected by a GGI with some form...

Forum: CFX February 13, 2017, 17:31

Replies: 23 Problem rotating frame of reference. Views: 3,721 Posted By ghorrocks The counter rotating wall condition applies a... The counter rotating wall condition applies a tangential velocity to the selected wall such that it opposes the domain rotation and results in a stationary wall in the absolute frame. But, as the...

Showing results 1 to 7 of 7

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