Table 1 The drag coefficient Cd of the maglev train under different mesh configurations
Items | Coarse | Medium | Fine |
|---|---|---|---|
Number of meshes (million) | 10.20 | 17.15 | 31.04 |
Drag coefficient Cd | 0.2003 | 0.2025 | 0.2045 |
Relative error with fine mesh | 1.958% | 0.881% | — |
Lift coefficient Cl | 0.0624 | 0.0611 | 0.0581 |
Relative error with fine mesh | 7.401% | 5.164% | — |