Table 5 Comparison between the initial and optimal settings
T | F | P | V | Experiment results | GRG | ||
---|---|---|---|---|---|---|---|
Tensile strength (MPa) | Void content (%) | ||||||
Initial | 75 | 300 | 1500 | 10 | 1215.31 | 0.15 | 0.9686 |
Optimal | 73.8 | 291.2 | 1804.1 | 9.1 | 1329.62 | 0.137 | 0.9796 |
Improvement | + 15.69 | − 0.013 | + 0.0110 |