Table 1.
Summary of the mesh refinement study results using blood at 8 L/min and 3100 rpm impeller speed conditions.
| Mesh Refinement Level |
Number of Elements (millions) |
Peak Wall Shear Stress (dyne/cm2) |
Average Wall Shear Stress (dyne/cm2) |
Impeller Torque (N*m) |
Pressure Rise (mmHg) |
Average Impeller Yplus |
|---|---|---|---|---|---|---|
| Coarser | 9.8 | 8,180 | 905 | 0.00691 | 22.0 | 1.82 |
|
Middle
(%Δ from Coarse Mesh) |
12.7 (30%) |
8,400 (2.7%) |
894 (−1.2%) |
0.00694 (0.4%) |
21.8 (−0.9%) |
1.56 (−14.3%) |
|
Refined
(%Δ from Coarse Mesh) |
19.0 (95%) |
8,940 (9.3%) |
867 (−4.2%) |
0.00704 (1.9%) |
22.9 (4.1%) |
1.33 (−26.9%) |