Table 6: Results with different distribution characteristics of the handling operation times.

Number of ships Results with different distribution characteristics of the handling operation times
(300, 1600)1 (350, 2500)2GAP1a (400, 3600)3GAP2b

1028452815−1.05%28620.60%
15420542400.83%4200−0.12%
20548555220.67%54880.05%
25685768700.19%6840−0.25%
30838183870.07%84280.56%

Average//0.14%/0.17%

(value of 2 − value of 1)/value of 1 × 100%; b(value of 3 − value of 1)/value of 1 × 100%.