4. Simulations Analysis
Suppose there is an oil depot supplies refined oil to 10 gas stations.0 indicates oil depot; 1 - 10 indicate gas stations.
There are 3 tankers in the oil depot, the driving speed of each tanker is 50 km/h, the capacity of each tanker
is shown in Table 1; each gas station’s demand, service time and hard time window are shown in Table 2,
distance between gas stations, and distance between gas stations and oil pot are shown in Table 3; the tanker’s
running time between any pair of gas stations, gas station and oil depot is shown in Table 4.
Firstly, we use the Lingo software to solve the integer programming model which is established in this paper.
When the solution option set to use global solver, Lingo cannot get the global optimal solution after 130 hours