Table 12 The best design obtained by different algorithms on the 25-bar truss structure using continuous variables.
Variables (in2) | nSCA (This study) | STA 68 | TLBO 58 | IRO 66 | MSPSO 64 | PSO 64 | HSPSO 65 | ACO 67 |
|---|---|---|---|---|---|---|---|---|
Group 1 | 0.010003 | 0.0102 | 0.0100 | 0.0112 | 0.01 | 0.01 | 0.010 | 0.01 |
Group 2 | 1.985021 | 1.9866 | 1.9878 | 1.9766 | 1.9848 | 1.9503 | 1.970 | 2.0000 |
Group 3 | 2.996736 | 2.9943 | 2.9914 | 3.0099 | 2.9956 | 3.0408 | 3.016 | 2.966 |
Group 4 | 0.010000 | 0.01 | 0.0102 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
Group 5 | 0.010001 | 0.01 | 0.0100 | 0.01 | 0.01 | 0.01 | 0.01 | 0.012 |
Group 6 | 0.683104 | 0.6835 | 0.6825 | 0.6842 | 0.6852 | 0.6929 | 0.694 | 0.689 |
Group 7 | 1.677167 | 1.677 | 1.6775 | 1.6783 | 1.6778 | 1.6866 | 1.681 | 1.679 |
Group 8 | 2.662307 | 2.6626 | 2.6640 | 2.6571 | 2.6599 | 2.6362 | 2.643 | 2.668 |
Optimal weight (lb) | 545.1630 | 545.175 | 545.175 | 545.19 | 545.172 | 545.22 | 545.19 | 545.53 |
Mean weight (lb) | 545.3234 | 552.43 | 545.483 | 545.35 | 546.03 | 549.96 | N/A | 546.34 |
SD | 0.1820 | 14.08 | 0.306 | N/A | 0.8 | 9.91 | N/A | 0.94 |
NFEmax | 12,500 | 12,000 | N/A | 15,000 | 25,000 | 25,000 | 150,000 | 16,500 |
Best NFE | 10,350 | 11,985 | 12,199 | 12,200 | 10,800 | 18,400 | 12,500 | 4700 |
