Research Article
Optimum Performance-Based Seismic Design Using a Hybrid Optimization Algorithm
Table 1
The statistical information of performance-based optimum designs for the 4-bay 3-story frame.
| Algorithm | Hybrid CSS | PSACO [40] | PSO [40] | ACO [27] | GA [27] | A conventional design [41] |
| Best weight (kN) | 273.7 | 279.2 | 286.3 | 283.4 | 303.9 | 412.9 kN | Average weight (kN) | 286.7 | 290.4 | 302.4 | 294.3 | 321.5 | — | Worst weight (kN) | 297.8 | 298.5 | 310.7 | 303.2 | 339.7 | — | Std. dev. (kN) | 5.651 | 6.453 | 10.453 | 7.566 | 14.332 | | Average number of analyses | 4,500 | 4,500 | 8,500 | 3,900 | 6,800 | — |
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