Table 4 Prediction performances of GPOD and IGPOD for all validation cases
From: A hybrid RNN-GPOD surrogate model for real-time settlement predictions in mechanised tunnelling
Error (%) | POD-RBF | POD-ERBF | ||||
|---|---|---|---|---|---|---|
GPOD | E–S | V–K | GPOD | E–S | V–K | |
Validation case 1 | 5.18 | 5.03 | 1.36 | 5.20 | 5.06 | 1.18 |
Validation case 2 | 7.82 | 7.80 | 1.18 | 7.65 | 7.63 | 1.01 |
Validation case 3 | 4.81 | 4.70 | 1.38 | 4.55 | 4.42 | 0.95 |
Validation case 4 | 4.33 | 4.22 | 2.13 | 4.49 | 4.33 | 1.15 |
Validation case 5 | 7.45 | 7.24 | 2.15 | 6.90 | 6.75 | 1.09 |
Validation case 6 | 5.40 | 5.36 | 1.81 | 5.60 | 5.55 | 2.31 |
Average | 5.83 | 5.72 | 1.67 | 5.73 | 5.62 | 1.28 |