Table 1.
Comparison of peak wall stress among the three numerical approaches.
| β | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 |
| UW FSI | 32.3 | 29.1 | 28.3 | 28.0 | 27.7 |
| UW CSST | 29.0 (-10.2) | 26.3 (-9.6) | 26.0 (-8.1) | 25.6 (-8.6) | 25.1 (-9.4) |
| UW CSSS | 29.2 (-9.6) | 26.3 (-9.6) | 25.8 (-8.9) | 25.4 (-9.3) | 25.1 (-9.4) |
| VW FSI | 152.6 | 136.2 | 124.3 | 115.6 | 110.0 |
| VW CSST | 106.5 (-30.2) | 95.7 (-29.7) | 88.0 (-29.2) | 82.3 (-28.8) | 78.2 (-28.9) |
| VW CSSS | 107.5 (-29.6) | 95.6 (-29.8) | 87.5 (-29.6) | 82.0 (-29.1) | 77.8 (-29.3) |
Peak wall stress (in N/cm2) and comparison between the three numerical techniques. The parentheses show the % difference of the stress obtained with the CSST and CSSS methods with respect to the baseline FSI method.