Performance-Based Seismic Design of Steel Frames Utilizing Colliding Bodies Algorithm

Table 2

The statistical information of performance-based optimum designs for the 4-bay 9-story frame.

Algorithm	This work	Hybrid CSS [17]	PSACO [16]	PSO [16]	ACO [15]	GA [15]
Best weight (kN)	1600.25	1568.66	1601.32	1682.63	1631.83	1723.1
Average weight (kN)	1660.36	1626.32	1650.55	1725.36	1696.2	1791.4
Worst weight (kN)	1780.62	1725.36	1759.65	1813.25	1786.94	1943.2
Std. Dev. (kN)	31.02	30.35	38.52	66.35	49.33	78.33
Average number of analyses	5,500	5,000	6,000	12,500	5,600	9,700