Mathematical Optimization Model for Truck Scheduling in a Distribution Center with a Mixed Service-Mode Dock Area

Table 5

Obtained results for the future scenario of refrigerated products in C shift.

Number of platforms	Makespan (min)	Lower bound (min)	Gap (%)	CPU time (sec)
1	1033.10	691.85	33.03	9000.00
2	511.70	313.96	38.64	9000.00
3	380.90	295.90	22.32	9000.00
4	315.10	295.90	6.09	9000.00
5	295.90	295.90	0.00	3.5
6	295.90	295.90	0.00	3.83
7	295.90	295.90	0.00	2.06
9	295.90	295.90	0.00	2.46
12	295.90	295.90	0.00	5.14
15	295.90	295.90	0.00	3.11
18	295.90	295.90	0.00	5.13
21	295.90	295.90	0.00	10.67
1	1033.10	760.00	26.40	970
2	511.70	297.77	41.81	9000.00
3	381.70	295.90	22.47	9000.00
4	315.90	295.90	6.33	9000.00
5	295.90	295.90	0.00	3.16
6	295.90	295.90	0.00	3.05
7	295.90	295.90	0.00	3.37
9	295.90	295.90	0.00	4.14
12	295.90	295.90	0.00	10.27
15	295.90	295.90	0.00	18.25
18	295.90	295.90	0.00	23.14
21	295.90	295.90	0.00	30.83

Source: owner.