Research Article
Optimum Performance-Based Seismic Design Using a Hybrid Optimization Algorithm
Table 2
The statistical information of performance-based optimum designs for the 4-bay 9-story frame.
| Algorithm | Hybrid CSS | PSACO [40] | PSO [40] | ACO [27] | GA [27] |
| Best weight (kN) | 1568.66 | 1601.32 | 1682.63 | 1631.83 | 1723.1 | Average weight (kN) | 1626.32 | 1650.55 | 1725.36 | 1696.2 | 1791.4 | Worst weight (kN) | 1725.36 | 1759.65 | 1813.25 | 1786.94 | 1943.2 | Std. dev. (kN) | 30.35 | 38.52 | 66.35 | 49.33 | 78.33 | Average number of analyses | 5,000 | 6,000 | 12,500 | 5,600 | 9,700 |
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