Table 21.
Comparisons of best solutions offered by reported optimizers for welded beam design problem.
| Algorithm | Optimal values for variables | Optimal cost | |||
|---|---|---|---|---|---|
| x 1 | x 2 | x 3 | x 4 | ||
| DDSCA [50] | 0.20516 | 3.4759 | 9.0797 | 0.20552 | 1.7305 |
| HGA [62] | 0.205712 | 3.470391 | 9.039693 | 0.205716 | 1.725236 |
| MGWO-III [63] | 0.205667 | 3.471899 | 9.036679 | 0.205733 | 1.724984 |
| IAPSO [64] | 0.205729 | 3.470886 | 9.036623 | 0.205729 | 1.724852 |
| TEO [54] | 0.205681 | 3.472305 | 9.035133 | 0.205796 | 1.725284 |
| hHHO-SCA [55] | 0.190086 | 3.696496 | 9.386343 | 0.204157 | 1.779032 |
| HPSO [56] | 0.20573 | 3.470489 | 9.036624 | 0.20573 | 1.724852 |
| CPSO [53] | 0.202369 | 3.544214 | 9.048210 | 0.205723 | 1.728024 |
| WCA [26] | 0.205728 | 3.470522 | 9.036620 | 0.205729 | 1.724856 |
| TSO | 0.205729 | 3.470490 | 9.036626 | 0.205729 | 1.724854 |