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Forum: CFX

March 27, 2014, 16:43

Replies: 9

Flow around an circular cylinder

Views: 1,974

Posted By ghorrocks

No, y is a field variable and takes the value of...

No, y is a field variable and takes the value of the y coordinate of that point. So it varies at each point of the domain.

I suspect they use this initial condition to give the flow a strong...

Forum: CFX

March 27, 2014, 06:57

Replies: 9

Flow around an circular cylinder

Views: 1,974

Posted By ghorrocks

The y/1[m] bit converts y as a value with units...

The y/1[m] bit converts y as a value with units of metres to a value with no units. The step function requires an argument which is unitless.

Forum: CFX

March 26, 2014, 19:57

Replies: 9

Flow around an circular cylinder

Views: 1,974

Posted By ghorrocks

Yes, that looks much better. But you might still...

Yes, that looks much better. But you might still be a bit coarse - you will need to do a sensitivity check to find out.

Your y+ means that the automatic wall treatment will be integrating to the...

Forum: CFX

March 25, 2014, 16:47

Replies: 9

Flow around an circular cylinder

Views: 1,974

Posted By ghorrocks

FAQ:...

FAQ: http://www.cfd-online.com/Wiki/Ansys_FAQ#Why_are_my_results_inaccurate.3F

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