Research Article

Incremental Optimization of Hub and Spoke Network for the Spokes’ Numbers and Flow

Figure 3

Incremental optimization results under the change of flow.
(a) 0.5 times of the initial flow
(b) 0.75 times of the initial flow
(c) 1.25 times of the initial flow
(d) 1.5 times of the initial flow
(e) 1.75 times of the initial flow
(f) 2 times of the initial flow