Optimal Design of Water Supply Network Based on Adaptive Penalty Function and Improved Genetic Algorithm

Table 2

Comparison of results.

Number	Tube length	Improved genetic algorithm			Simple genetic algorithm
		Pipe diameter		Current speed	Pipe diameter	Current speed
1	303.5	400		0.83	300	0.86
2	419.5	350		0.79	300	0.82
3	394.3	300		0.74	300	0.74
4	471	250		0.62	200	0.86
5	258.3	300		0.65	300	0.65
6	486.2	400		0.85	300	0.87
7	528.9	500		0.86	300	0.92
8	422.8	300		0.62	200	0.68
9	422.8	700		1.25	800	0.95
10	426.7	300		0.64	200	0.71
11	222.3	250		0.61	200	0.68
12	222.3	300		0.67	200	0.75
13	394.3	200		0.81	200	0.81
14	482.7	700		1.35	800	1.26
15	500.6	400		0.85	300	0.92
16	644.9	400		0.91	300	1.05
17	470.9	300		0.65	200	0.69
18	465.7	600		1.21	800	1.15
19	275.2	700		1.26	800	1.02
20	308.3	700		1.32	800	1.24
21	429.8	800		1.38	800	1.38
22	163.3	800		1.35	800	1.35
Annual conversion cost/Ten thousand yuan			1082.45		1174.26