Research Article
Research for Pedestrian Steel Bridge Design of Neural Network in Structural Model Updating
Table 5
Test results of BP neural network.
| Order | Theoretical value | Predicted value | Density ρ (N/m3) | Elastic modulus E (Pa) | Density ρ (N/m3) | Elastic modulus E (Pa) |
| 1 | 7.800 × 104 | 1.940 × 1011 | 7.807 × 104 | 1.943 × 1011 | 2 | 7.860 × 104 | 2.000 × 1011 | 7.867 × 104 | 2.002 × 1011 | 3 | 7.940 × 104 | 2.060 × 1011 | 7.938 × 104 | 2.059 × 1011 | 4 | 7.880 × 104 | 1.960 × 1011 | 7.879 × 104 | 1.962 × 1011 | 5 | 7.900 × 104 | 2.100 × 1011 | 7.895 × 104 | 2.099 × 1011 | 6 | 7.840 × 104 | 1.980 × 1011 | 7.848 × 104 | 1.982 × 1011 | 7 | 7.960 × 104 | 1.960 × 1011 | 7.974 × 104 | 1.963 × 1011 | 8 | 7.860 × 104 | 2.020 × 1011 | 7.867 × 104 | 2.023 × 1011 | 9 | 7.940 × 104 | 2.100 × 1011 | 7.939 × 104 | 2.100 × 1011 | 10 | 7.920 × 104 | 1.980 × 1011 | 7.919 × 104 | 1.983 × 1011 |
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