Research Article
Reliability-Based Topology Optimization Using Stochastic Response Surface Method with Sparse Grid Design
Table 4
Comparison of topology optimization design results.
| Approach | Volume/volume fraction (mm2)/% | Reliability index (β) | Computing time (s) | Design point | /MPa | /N | /N |
| DTO | 918.59/25.52 | — | 971.31 | — | — | — | PMA | 1345.49/37.37 | 3.003 | 8266.06 | 5.62 × 104 | 171.53 | 116.15 | SORA | 1345.49/37.37 | 3.003 | 2296.5 | 5.62 × 104 | 171.53 | 116.15 |
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