Table 2.
Summary of near-wall meshes and parameters
| Name | # NW Layers | First Layer Thickness (y+) | Layer-to-Layer Ratio | Total NW Thickness |
|---|---|---|---|---|
| Recommended | 20 | 0.02 (≈1.0) | Layers 1–8: 1.1 | 0.7 |
| Layers 8–20: 1.0 | ||||
| Intermediate | 10 | 0.02 (≈1.0) | 1.0 | 0.20 |
| Targeted | 5 | 0.02 (≈1.0) | 1.0 | 0.10 |
| Poor Ratio | 5 | 0.02 (≈1.0) | Layer 1–2: 1.8 | 0.20 |
| Layers 2–5: 1.0 | ||||
| Wall y+ ≈ 0.5 | 1 | 0.01 (≈0.5) | N/A | 0.01 |
| Wall y+ ≈ 1.0 | 1 | 0.02 (≈1.0) | N/A | 0.02 |
| Wall y+ ≈ 2.0 | 1 | 0.04 (≈2.0) | N/A | 0.04 |
| Wall y+ ≈ 5.0 | 1 | 0.10 (≈5.0) | N/A | 0.10 |
| Ratio = 1.0 | 5 | 0.02 (≈1.0) | 1.0 | 0.10 |
| Ratio = 1.1 | 5 | 0.02 (≈1.0) | Layer 1–2: 1.1 | 0.12 |
| Layers 2–5: 1.0 | ||||
| Ratio = 1.2 | 5 | 0.02 (≈1.0) | Layer 1–2: 1.2 | 0.15 |
| Layers 2–5: 1.0 | ||||
| Ratio = 1.5 | 5 | 0.02 (≈1.0) | Layer 1–2: 1.5 | 0.26 |
| Layers 2–5: 1.0 |