Hydraulic Analysis of Water Distribution Network Using Shuffled Complex Evolution

Table 4

Head and parameter 𝛿 in numerical example 3.

Node number	𝑍 (m)	SCE	3 steps	SCE	3 steps	SCE	3 steps
		𝐻 (m)	𝐻 (m)	𝐻−𝑍	𝐻−𝑍	𝛿	𝛿
1	140	140	140	0	0	0	0
2	80	129.304	130.07	49.304	50.07	𝟏.𝟒𝟗𝐄−𝟎𝟕	3.10𝐸−04
3	90	132.288	132.76	42.288	42.76	𝟏.𝟐𝟔𝐄−𝟎𝟕	0.0041
4	70	109.587	110.96	39.587	40.96	𝟐.𝟎𝟑𝐄−𝟎𝟕	0.0022
5	80	80.000	88.54	0.000	8.54	0.058	𝟏.𝟓𝟏𝐄−𝟎𝟒
6	90	90.000	91.45	0.000	1.45	0.0069	𝟔.𝟎𝟐𝐄−𝟎𝟒
7	90	90.000	90.00	0.000	0.00	0.080	0.1421
8	100	88.922	90.43	−11.078	−9.57	𝟓.𝟖𝟒𝐄−𝟎𝟖	0.0439