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The information transmission in community networks

Zhu, Zhi-Qiang; Liu, Chuan-Jian; Wu, Jian-Liang; Liu, Bin - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 17, pp. 3827-3832

The community structure has been empirically found in many real networks. This paper proposes an efficient Double Shortest Path routing strategy trying to avoid the modules of traffic congestion, which means that we adopt the shortest routing strategy both in the inter-modules and in the...

Persistent link: https://www.econbiz.de/10010874719

Optimal traffic networks topology: A complex networks perspective

Wu, Jian-Jun; Gao, Zi-You; Sun, Hui-jun - In: Physica A: Statistical Mechanics and its Applications 387 (2008) 4, pp. 1025-1032

We investigate and analyse an optimal traffic network structure for resisting traffic congestion with different volumes of traffic. For this aim, we introduce a cost function and user-equilibrium assignment (UE) which ensures the flow balance on traffic systems. Our finding is that an optimal...

Persistent link: https://www.econbiz.de/10010871687

Traffic congestion and dispersion in Hurricane evacuation

Tanaka, Katsunori; Nagatani, Takashi; Hanaura, Hirotoshi - In: Physica A: Statistical Mechanics and its Applications 376 (2007) C, pp. 617-627

We study the traffic congestion and dispersion of vehicles occurring on a single lane highway in Hurricane evacuation. The traffic congestion depends on both sensitivity and speed of the leading vehicle. When the leading vehicle moves with low speed, the vehicular traffic exhibits the stop and...

Persistent link: https://www.econbiz.de/10010871839

Fractal behavior in the headway fluctuation simulated by the NaSch model

Zhu, H.B.; Gao, J.B. - In: Physica A: Statistical Mechanics and its Applications 398 (2014) C, pp. 187-193

The fractal behavior of traffic flow is studied by the adaptive fractal analysis method on the basis of the vehicle headway time series, which are obtained from the numerical simulation of the NaSch model. We find that the vehicle headway time series has a fractal behavior that is similar to the...

Persistent link: https://www.econbiz.de/10010744298

An efficient approach of controlling traffic congestion in scale-free networks

Liu, Zonghua; Ma, Weichuan; Zhang, Huan; Sun, Yin; Hui, P.M. - In: Physica A: Statistical Mechanics and its Applications 370 (2006) 2, pp. 843-853

We propose and study a model of traffic in communication networks. The underlying network has a structure that is tunable between a scale-free growing network with preferential attachments and a random growing network. To model realistic situations where different nodes in a network may have...

Persistent link: https://www.econbiz.de/10010588911

Effects of back step and update rule on congestion of mobile objects

Maniccam, S. - In: Physica A: Statistical Mechanics and its Applications 346 (2005) 3, pp. 631-650

This paper studies the effects of back step movement and update rule on the traffic congestion properties of mobile objects, using computer simulation. The mobile objects are modeled as four-way-biased random walkers in two-dimensional square lattice. It is found that there is always a phase...

Persistent link: https://www.econbiz.de/10010590372

Congestion of point-to-point mobile objects

Maniccam, S. - In: Physica A: Statistical Mechanics and its Applications 331 (2004) 3, pp. 669-681

Traffic congestion in point-to-point movement is studied using four simple traffic models. The four traffic models studied are movement between randomly chosen starting and destination points, back and forth movement between same two points, movement with preference of horizontal and vertical...

Persistent link: https://www.econbiz.de/10010590493

Adaptive decentralized congestion avoidance in two-dimensional traffic

Maniccam, S. - In: Physica A: Statistical Mechanics and its Applications 363 (2006) 2, pp. 512-526

This paper studies congestion avoidance in a simple two-dimensional traffic system, using computer simulation. The mobile objects avoid congestion among themselves using simple congestion-avoiding traffic rules. The objects adaptively avoid congested regions and move towards less congested...

Persistent link: https://www.econbiz.de/10010590606

Effects of the lattice point drivers’ heterogeneity of the disturbance risk preference on traffic flow instability

Zeng, You-Zhi; Zhang, Ning - In: Physica A: Statistical Mechanics and its Applications 424 (2015) C, pp. 113-123

This paper defines the lattice point drivers’ heterogeneity of the disturbance risk preference and proposes a new one …-dimensional traffic flow lattice model to research the effects of the lattice point drivers’ heterogeneity of the disturbance risk … analysis show that there are important effects of the lattice point drivers’ heterogeneity of the disturbance risk preference …

Persistent link: https://www.econbiz.de/10011193987

Balancing the competing demands of harvesting and safety from predation: Lévy walk searches outperform composite Brownian walk searches but only when foraging under the risk of pre...

Reynolds, A.M. - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 21, pp. 4740-4746

Some foragers have movement patterns that can be approximated by Lévy walks whilst others may be better represented as composite Brownian walks. Many attempts have been made to interpret these movement patterns in terms of optimal searching strategies for the location of randomly and sparsely...

Persistent link: https://www.econbiz.de/10010872979