A New Genetic Algorithm Methodology for Design Optimization of Truss Structures: Bipopulation-Based Genetic Algorithm with Enhanced Interval Search

Table 5

Statistical analysis results of feasible fitness values obtained by use of parameter sets proposed for MPGA (spatial truss with 25-bars).

Parameter set	Best	Mean	Std	Parameter set	Best	Mean	Std
MT=0, MR=0.01, MI=2	502,104	577,038	67,707	MT=1, MR=0.10, MI=2	497,679	553,204	52,961
MT=0, MR=0.01, MI=10	491,290	572,765	73,076	MT=1, MR=0.10, MI=10	486,295	535,339	49,407
MT=0, MR=0.01, MI=15	510,594	594,444	68,822	MT=1, MR=0.10, MI=15	492,001	564,707	61,902
MT=0, MR=0.01, MI=5	501,384	589,606	68,165	MT=1, MR=0.10, MI=5	490,972	582,356	73,748
MT=0, MR=0.05, MI=2	493,103	553,969	57,707	MT=1, MR=0.40, MI=2	493,464	559,504	54,353
MT=0, MR=0.05, MI=10	495,631	564,716	59,424	MT=1, MR=0.40, MI=10	494,279	568,882	63,133
MT=0, MR=0.05, MI=15	493,015	558,278	48,711	MT=1, MR=0.40, MI=15	492,607	564,306	71,255
MT=0, MR=0.05, MI=5	492,631	559,883	58,218	MT=1, MR=0.40, MI=5	488,096	561,872	54,620
MT=0, MR=0.10, MI=2	495,242	579,444	67,091	MT=2, MR=0.01, MI=2	510,554	602,508	77,442
MT=0, MR=0.10, MI=10	487,050	571,735	73,567	MT=2, MR=0.01, MI=10	488,320	574,907	72,809
MT=0, MR=0.10, MI=15	504,839	585,483	63,716	MT=2, MR=0.01, MI=15	505,944	589,977	68,911
MT=0, MR=0.10, MI=5	494,356	581,330	64,624	MT=2, MR=0.01, MI=5	512,587	578,087	59,429
MT=0, MR=0.40, MI=2	491,887	546,261	54,684	MT=2, MR=0.05, MI=2	493,299	574,085	44,792
MT=0, MR=0.40, MI=10	496,481	570,750	54,856	MT=2, MR=0.05, MI=10	489,609	551,748	63,178
MT=0, MR=0.40, MI=15	511,631	583,177	65,891	MT=2, MR=0.05, MI=15	493,907	558,576	53,586
MT=0, MR=0.40, MI=5	488,049	549,874	61,681	MT=2, MR=0.05, MI=5	493,523	563,007	60,136
MT=1, MR=0.01, MI=2	520,044	583,861	70,871	MT=2, MR=0.10, MI=2	491,125	572,506	60,291
MT=1, MR=0.01, MI=10	522,371	607,755	67,601	MT=2, MR=0.10, MI=10	495,555	581,442	79,229
MT=1, MR=0.01, MI=15	506,457	582,052	57,692	MT=2, MR=0.10, MI=15	492,714	570,818	68,788
MT=1, MR=0.01, MI=5	506,226	602,789	60,236	MT=2, MR=0.10, MI=5	511,718	584,622	60,603
MT=1, MR=0.05, MI=2	489,218	580,434	75,958	MT=2, MR=0.40, MI=2	498,955	561,760	50,194
MT=1, MR=0.05, MI=10	507,234	556,624	53,246	MT=2, MR=0.40, MI=10	492,850	574,766	63,040
MT=1, MR=0.05, MI=15	500,155	562,187	53,653	MT=2, MR=0.40, MI=15	491,468	566,396	69,870
MT=1, MR=0.05, MI=5	491,397	561,556	56,276	MT=2, MR=0.40, MI=5	501,608	577,688	51,228