Table 1. Calculation of discretization errors for three cases simulated in this study.
| Normal | Isolated COA | Complex COA | |
 (Pa) |
3.35 | 78.88 | 111 |
 (Pa) |
3.31 | 78.81 | 108.5 |
 (Pa) |
3.37 | 79.1 | 112 |
|
1.19% | 0.088% | 2.25% |
|
0.59% | 0.278% | 0.9% |
|
3.718% | 0.275% | 1.07% |
The calculations were performed for the wall shear stress at the neck of the complex COA (inner wall). 
, 
, 
, 
and 
represent the wall shear stress, the extrapolated wall shear stress value, the approximate relative error, the extrapolated relative error and the fine-grid convergence index, respectively.