建立了圈性网络的演化机理,研究了相同路网规模下具有不同圈性网络拓扑结构的交通承载能力,发现在流量不断加载并最终达到饱和状态的过程中,当圈性较小或者较大时,网络流量都比较容易达到饱和状态。相反,当圈性在0.54附近时,网络则更不容易达到拥堵状态。
In this paper, we establish the evolution mechanism of the circuitness of the urban traffic network, and obtain the different topologies of networks. Then, we study the traffic carrying capacity under different network topology structure. As a result, with the increasing network traffic flow, it is much easier to be saturated for the smaller and larger cirucitness. On the contrary, the network has the largest carrying capacity when the circuitness is about 0.54.
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