Research Article
Damage Detection in Plates with the Use of Laser-Measured Mode Shapes
Table 2
Damage detection results of the numerical experiment.
| Number | Specimen state | | | | M1 | M2 | M3 | M4 | M5 | M1 | M2 | M3 | M4 | M5 | M1 | M2 | M3 | M4 | M5 |
| S#2 | Intact, T = 20°C | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | S#3 | Intact, T = 25°C | 0.253 | 0.214 | 0.213 | 0.211 | 0.249 | 0.126 | 0.294 | 0.079 | 0.352 | 0.228 | 0.003 | 0.001 | 0.001 | 0.002 | 0.000 | S#4 | Intact, T = 30°C | 0.534 | 0.422 | 0.421 | 0.420 | 0.474 | 0.263 | 0.555 | 0.131 | 0.634 | 0.425 | 0.006 | 0.003 | 0.002 | 0.004 | 0.001 | S#5 | Intact, T = 35°C | 0.739 | 0.620 | 0.621 | 0.619 | 0.673 | 0.344 | 0.707 | 0.161 | 0.791 | 0.553 | 0.009 | 0.004 | 0.002 | 0.007 | 0.001 | S#6 | Intact, T = 40°C | 0.878 | 0.817 | 0.817 | 0.819 | 0.847 | 0.419 | 0.871 | 0.179 | 0.940 | 0.802 | 0.012 | 0.006 | 0.003 | 0.009 | 0.001 | S#7 | Intact, T = 45°C | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 0.490 | 1.000 | 0.195 | 1.000 | 1.000 | 0.015 | 0.007 | 0.004 | 0.011 | 0.002 | S#8 | Damage 1, 3 mm | 0.022 | 0.018 | 0.015 | 0.017 | 0.024 | 0.037 | 0.066 | 0.056 | 0.055 | 0.064 | 0.050 | 0.090 | 0.091 | 0.104 | 0.091 | S#9 | Damage 1, 5 mm | 0.061 | 0.049 | 0.041 | 0.046 | 0.064 | 0.102 | 0.187 | 0.169 | 0.160 | 0.218 | 0.138 | 0.248 | 0.253 | 0.273 | 0.254 | S#10 | Damage 1, 7.5 mm | 0.118 | 0.095 | 0.080 | 0.088 | 0.124 | 0.188 | 0.377 | 0.322 | 0.344 | 0.473 | 0.271 | 0.487 | 0.496 | 0.523 | 0.498 | S#11 | Damage 1, 10 mm | 0.225 | 0.188 | 0.157 | 0.170 | 0.235 | 0.377 | 0.790 | 0.541 | 0.851 | 0.985 | 0.544 | 1.000 | 1.000 | 1.000 | 1.000 | S#12 | Damage 2, 3 mm | 0.073 | 0.021 | 0.025 | 0.027 | 0.056 | 0.132 | 0.145 | 0.235 | 0.327 | 0.299 | 0.089 | 0.022 | 0.015 | 0.072 | 0.034 | S#13 | Damage 2, 5 mm | 0.213 | 0.055 | 0.068 | 0.073 | 0.153 | 0.334 | 0.385 | 0.713 | 0.713 | 0.453 | 0.250 | 0.055 | 0.043 | 0.182 | 0.096 | S#14 | Damage 2, 7.5 mm | 0.436 | 0.103 | 0.129 | 0.142 | 0.294 | 0.581 | 0.446 | 0.927 | 0.736 | 0.455 | 0.489 | 0.101 | 0.084 | 0.340 | 0.189 | S#15 | Damage 2, 10 mm | 0.959 | 0.201 | 0.254 | 0.287 | 0.588 | 1.000 | 0.662 | 1.000 | 0.932 | 0.703 | 1.000 | 0.187 | 0.174 | 0.682 | 0.388 |
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