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

Table 11

Statistical analysis results of feasible fitness values obtained by use of parameter sets proposed for MPGA (planar truss with 200-bars).

Parameter set	Best	Mean	Std	Parameter set	Best	Mean	Std
MT=0, MR=0.01, MI=2	72633,880	80630,569	8571,450	MT=1, MR=0.10, MI=2	43405,949	46677,338	6914,943
MT=0, MR=0.01, MI=10	48093,574	56656,419	4216,594	MT=1, MR=0.10, MI=10	46110,341	52166,191	4860,834
MT=0, MR=0.01, MI=15	46658,763	53303,681	4797,318	MT=1, MR=0.10, MI=15	46797,205	53567,554	6498,843
MT=0, MR=0.01, MI=5	43563,417	49063,016	3737,226	MT=1, MR=0.10 MI=5	45121,767	54525,702	6203,645
MT=0, MR=0.05, MI=2	47659,683	53501,963	4633,370	MT=1, MR=0.40, MI=2	44316,220	48637,425	3729,784
MT=0, MR=0.05, MI=10	44562,844	52044,266	6328,921	MT=1, MR=0.40, MI=10	43141,914	48152,488	5033,876
MT=0, MR=0.05, MI=15	48956,630	55827,141	5594,529	MT=1, MR=0.40, MI=15	46041,416	54705,672	4620,251
MT=0, MR=0.05, MI=5	40079,507	46459,547	5301,405	MT=1, MR=0.40, MI=5	48661,997	54604,399	3207,818
MT=0, MR=0.10, MI=2	40355,654	46811,317	4671,882	MT=2, MR=0.01, MI=2	44005,459	52233,311	6203,747
MT=0, MR=0.10, MI=10	46765,127	55515,587	4599,817	MT=2, MR=0.01, MI=10	50810,975	57383,192	4752,537
MT=0, MR=0.10, MI=15	47207,684	52014,078	4626,456	MT=2, MR=0.01, MI=15	44926,934	52888,602	3982,791
MT=0, MR=0.10, MI=5	56928,673	60909,024	3266,486	MT=2, MR=0.01, MI=5	43645,028	50901,106	5238,565
MT=0, MR=0.40, MI=2	41540,470	46590,198	4894,845	MT=2, MR=0.05, MI=2	49959,857	55518,284	5472,687
MT=0, MR=0.40 MI=10	45410,658	53645,716	4960,128	MT=2, MR=0.05, MI=10	51736,329	62136,457	6177,860
MT=0, MR=0.40, MI=15	49511,159	53964,220	3839,889	MT=2, MR=0.05, MI=15	48048,719	57350,748	5234,649
MT=0, MR=0.40, MI=5	49983,427	53905,603	3265,335	MT=2, MR=0.05, MI=5	43096,147	50628,687	7155,731
MT=1, MR=0.01, MI=2	63494,763	64043,462	350,856	MT=2, MR=0.10, MI=2	70763,445	73702,854	2774,557
MT=1, MR=0.01, MI=10	58124,138	62066,360	4194,507	MT=2, MR=0.10, MI=10	46612,625	51832,507	4416,433
MT=1, MR=0.01, MI=15	53912,544	58640,574	4411,781	MT=2, MR=0.10, MI=15	45523,323	50852,676	4438,879
MT=1, MR=0.01, MI=5	43427,511	48630,306	5504,416	MT=2, MR=0.10, MI=5	52091,564	57823,182	3014,238
MT=1, MR=0.05, MI=2	49480,881	49870,624	5751,019	MT=2, MR=0.40, MI=2	48312,173	54232,383	6997,833
MT=1, MR=0.05, MI=10	41201,483	48559,551	5957,630	MT=2, MR=0.40, MI=10	46408,771	52875,303	3739,149
MT=1, MR=0.05, MI=15	44122,014	49935,079	3517,734	MT=2, MR=0.40, MI=15	46437,702	56239,893	6986,506
MT=1, MR=0.05, MI=5	43731,886	51337,650	6528,667	MT=2, MR=0.40, MI=5	43413,187	53022,954	5995,418