Research Article

Research for Pedestrian Steel Bridge Design of Neural Network in Structural Model Updating

Table 6

Test results of GRNN.

OrderTheoretical valuePredicted value
Density ρ (N/m3)Elastic modulus E (Pa)Density ρ (N/m3)Elastic modulus E (Pa)

17.800 × 1041.940 × 10117.801 × 1041.937 × 1011
27.860 × 1042.000 × 10117.861 × 1041.999 × 1011
37.940 × 1042.060 × 10117.941 × 1042.071 × 1011
47.880 × 1041.960 × 10117.890 × 1041.959 × 1011
57.900 × 1042.100 × 10117.901 × 1042.101 × 1011
67.840 × 1041.980 × 10117.839 × 1041.979 × 1011
77.960 × 1041.960 × 10117.951 × 1041.958 × 1011
87.860 × 1042.020 × 10117.871 × 1042.020 × 1011
97.940 × 1042.100 × 10117.921 × 1042.080 × 1011
107.920 × 1041.980 × 10117.891 × 1041.999 × 1011