Research Article
Collaborative Vehicle Routing Problem in the Urban Ring Logistics Network under the COVID-19 Epidemic
Table 6
Result of Z class example.
| | Example | Before joint distribution | After joint distribution | Gap (%) | | COST | K | DIS | COST | K | DIS | TRANS | COST | K | DIS |
| | Z-1 | 5020.2 | 19.0 | 2170.2 | 3511.6 | 12.7 | 1517.0 | 94.6 | 30.05% | 33.33% | 30.10% | | Z-2 | 5090.0 | 19.0 | 2240.0 | 3776.5 | 14.0 | 1557.3 | 119.2 | 25.80% | 26.32% | 30.48% | | Z-3 | 4781.4 | 18.0 | 2081.4 | 3612.9 | 13.3 | 1533.7 | 79.2 | 24.44% | 25.93% | 26.31% | | Z-4 | 4730.8 | 17.3 | 2130.8 | 3732.2 | 13.7 | 1577.1 | 105.1 | 21.11% | 21.15% | 25.98% | | Z-5 | 4780.5 | 17.7 | 2130.5 | 3725.1 | 13.3 | 1620.9 | 104.2 | 22.08% | 24.53% | 23.92% | | Z-6 | 5592.7 | 20.7 | 2492.7 | 3770.0 | 13.7 | 1587.8 | 132.3 | 32.59% | 33.87% | 36.30% | | Z-7 | 4850.4 | 18.7 | 2050.4 | 3641.8 | 13.0 | 1598.1 | 93.8 | 24.92% | 30.36% | 22.06% | | Z-8 | 4636.8 | 17.3 | 2036.8 | 3656.8 | 13.3 | 1545.4 | 111.4 | 21.13% | 23.08% | 24.12% | | Z-9 | 4886.7 | 18.0 | 2186.7 | 3599.7 | 13.0 | 1555.7 | 94.0 | 26.34% | 27.78% | 28.86% | | Z-10 | 4498.1 | 16.6 | 2008.1 | 3041.8 | 10.9 | 1324.2 | 82.6 | 32.38% | 34.34% | 34.06% | | Avg | 4511.8 | 16.0 | 2111.8 | 3611.7 | 13.0 | 1555.6 | 106.1 | 19.95% | 18.75% | 26.34% |
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