TABLE 4. Shear stress and shear rates for streamlined and nonstreamlined stent strut designs.
Geometry | τw (Pa) Upstream peak | τw (Pa) Downstream peak | γ̇ (s−1) Upstream peak | γ̇ (s−1) Downstream peak |
---|---|---|---|---|
Rectangular 2:1 | 32.6 | 13.7 | 10723.7 | 4506.6 |
Rectangular 4:1 | 16.2 | 10.4 | 5328.9 | 3421.1 |
Rectangular 8:1 | 10.5 | 8.2 | 3453.9 | 2697.4 |
Geometry | τw (Pa) Maximum | γ̇ (s−1) Maximum | ||
Circular arc 2:1 | 14.6 | 4802.6 | ||
Circular arc 4:1 | 8.7 | 2861.8 | ||
Circular arc 8:1 | 5.7 | 1871.7 |