Research Article
Improved Response Surface Method Based on Linear Gradient Iterative Criterion
Table 2
Calculation results of example 2.
| | Used method | Reduction coefficient | Iteration times | Failure probability | Reliability index | Relative error (%) |
| | Monte Carlo method | — | — | 3.48 × 10−2 | 1.8143 | — | | Traditional response surface method | — | 9 | 1.32 × 10−2 | 2.2194 | 22.33 |
| | The proposed method | 0.01 | 6 | 2.28 × 10−2 | 2.0000 | 10.24 | | 0.05 | 5 | 2.28 × 10−2 | 2.0000 | 10.24 | | 0.2 | 5 | 2.28 × 10−2 | 2.0000 | 10.24 | | 0.4 | 7 | 2.28 × 10−2 | 2.0000 | 10.24 | | 0.6 | 9 | 2.28 × 10−2 | 2.0000 | 10.24 | | 0.8 | 16 | 2.27 × 10−2 | 2.0009 | 10.28 |
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