Wall functions
From CFD-Wiki
(Difference between revisions)
| Line 1: | Line 1: | ||
Based on [[Law of the wall|law of the wall]] | Based on [[Law of the wall|law of the wall]] | ||
| - | A wall-function simulation normally requires that [[Dimensionless wall distance|y plus]] of the first cell outside the walls is in the log-layer, which starts at about y plus 20 and, depending on the Re number, extends up to say y plus | + | A wall-function simulation normally requires that [[Dimensionless wall distance|y plus]] of the first cell outside the walls is in the log-layer, which starts at about y plus 20 and, depending on the Re number, extends up to say y plus 200. |
{{stub}} | {{stub}} | ||
Revision as of 08:51, 29 March 2007
Based on law of the wall
A wall-function simulation normally requires that y plus of the first cell outside the walls is in the log-layer, which starts at about y plus 20 and, depending on the Re number, extends up to say y plus 200.
