Research Article

Ship Pipe Routing Design Using NSGA-II and Coevolutionary Algorithm

Table 4

Diagonal coordinates of main parts of the simplified models.

Equipment nameDiagonal coordinate 1Diagonal coordinate 2

Fuel oil storage tank 1(1, 67, 23)(40, 107, 103)

Fuel oil storage tank 2(1, 67, 183)(40, 107, 263)

Steam boiler(90, 1, 290)(115, 17, 311)
(115, 1, 283)(152, 83, 320)

Hot water boiler(135, 15, 1)(152, 55, 17)
(152, 19, 5)(163, 29, 13)

Diesel generator 1(122, 15, 97)(198, 17, 127)
(123, 17, 104)(139, 41, 116)
(128, 17, 104)(46, 33, 118)
(160, 17, 103)(188, 42, 117)

Diesel generator 2(122, 15, 163)(198, 23, 188)
(123, 17, 170)(139, 41, 181)
(138, 17, 170)(157, 33, 183)
(160, 17, 169)(188, 42, 183)

Marine main engine 1(110, 11, 42)(122, 35, 65)
(146, 9, 47)(175, 15, 60)
(136, 15, 47)(187, 46, 66)
(122, 42, 40)(196, 54, 55)

Marine main engine 2(110, 11, 222)(122, 35, 246)
(146, 9, 228)(175, 15, 241)
(136, 15, 228)(187, 46, 247)
(122, 42, 220)(196, 54, 245)

Fuel transfer pump 1(17, 47, 105)(33, 56, 111)

Fuel transfer pump 2(41, 45, 105)(57, 53, 111)