Integrated Optimization of Port Rotation Direction and Fleet Deployment for Container Liner Shipping Routes

Table 4

Optimal results of model for each demand scenario.

Optimal Results	Demand scenario
	Scenario I	Scenario II	Scenario III
Total demand (TEU)	22054	27040	33028
Total cost ($ millions/week)	15.05	18.08	21.61
Load/discharge cost	4.41	5.41	6.61
Inventory cost	2.59	3.16	3.92
Transshipment cost	3.59	4.38	5.37
Deployment cost	4.46	5.13	5.71
Slot-purchasing cost	0	0	0
Port rotation direction
Original direction Count route ID	6 2, 6, 7, 8, 9, 12	9 1, 2, 3, 4, 5,6, 7, 8, 9, 12	7 1, 2, 5, 6,7, 8, 12
Reversed direction Count  route ID	6 1, 3, 4, 5, 10, 11	3 4, 10, 11	5 3, 4, 9, 10, 11
Fleet deployment
3000-TEU ship Count route ID	10 1, 2, 3, 4, 5, 6,7, 10, 11, 12	9 1, 2, 3, 4, 5,6, 7, 10, 12	6 1, 2, 3, 4, 5,7
5000-TEU ship Count route ID	2 8, 9	2 8, 11	5 6, 8, 10, 11,12
10000-TEU ship Count  route ID	0	1 9	1 9