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Forum: CFX

March 21, 2020, 05:30

Replies: 8

Periodic Pipe Flow LES

Views: 4,130

Posted By ghorrocks

A periodic inlet/outlet is one approach, but it...

A periodic inlet/outlet is one approach, but it is still not perfect as it introduces a frequency into the simulation of the fluid residence time, and the length of your domain sets that frequency....

Forum: CFX

November 24, 2011, 06:04

Replies: 8

Periodic Pipe Flow LES

Views: 4,130

Posted By ghorrocks

Oh yes, and I forgot the main way to reduce...

Oh yes, and I forgot the main way to reduce dissipation - finer mesh and smaller time steps.

Forum: CFX

November 23, 2011, 18:51

Replies: 8

Periodic Pipe Flow LES

Views: 4,130

Posted By ghorrocks

1) Yes, there has been some posts on this on the...

1) Yes, there has been some posts on this on the forum, search for them.
2) Not sure. I would suggest until things settle out. To be completely sure do a sensitivity analysis.
3) Possibly. But if...

Forum: CFX

November 21, 2011, 05:02

Replies: 8

Periodic Pipe Flow LES

Views: 4,130

Posted By ghorrocks

This FAQ is not exactly on your topic but is...

This FAQ is not exactly on your topic but is related and should give you some tips....

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