Meshing and CFD Accuracy - ICM
Meshing and CFD Accuracy - ICM
Meshing and CFD Accuracy - ICM
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Impact of Mesh Resolution<br />
A Guideline for Near-Wall Resolution (1)<br />
Wall Function<br />
Approach<br />
Resolving Viscous<br />
Sublayer approach<br />
<br />
Wall-adjacent cells in log-law<br />
region<br />
+<br />
30 ~ 50 ≤ y ≤ 500<br />
Most ideally aim at y+ = 40 ~ 100<br />
<br />
At least 5 -6 cells inside BL<br />
Wall-adjacent cells at y + ~ 1 or<br />
less.<br />
At least 10 cells within the<br />
inner layer (log-layer, buffer &<br />
sublayers <strong>and</strong> 20 cells within<br />
BL.<br />
40
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