Video/Audio Open Access

Supplementary materials. Live traffic. Exploring Tehran with excitable medium

Mohammad Mahdi Dehshibi; Andrew Adamatzky

These are videos of traffic in Tehran, used  to analyse patterns of excitation on street network of Tehran. These are supplementary materials to the paper 

Exploring Tehran with excitable medium 

An excitable chemical medium --- Belousov-Zhabotinsky (BZ) reaction --- is proven to be a fruitful substrate for prototyping unconventional computing devices ~\cite{adamatzky2017east}. These include image processors, logical circuits, and robot controllers. We study a BZ potential for characterising a geometry of street networks on a fragment of Tehran street map. The city was chosen because it is one of the most populated cities in the World with nearly uncontrollable urban growth. In numerical experiments with Oregonator model of BZ reaction, we demonstrate that excitability of the medium allows acts as a selector between omnidirectional waves and soliton-like localised excitations. We uncover a phase-transition like dynamics, controlled by the excitability, of coverage of the street network by excitation wave-fronts. In the cluster analysis, we show how the network geometry, when it meets propagation of BZ wave-front, relates to the traffic flow of Tehran

Files (94.0 MB)
Name Size
Friday timelapse.mp4
md5:4eec4a3ab71642b1a52531acf8c38f21
10.2 MB Download
Monday timelapse.mp4
md5:4e81862aaff820b16f1b26e8564961ca
13.2 MB Download
Saturday timelapse.mp4
md5:c798993a761a23e06edbe100cc200eb8
13.3 MB Download
Sunday timpelapse.mp4
md5:c2821779bde9e949037a1517634735bd
15.1 MB Download
Thursday timelapse.mp4
md5:7b9341e7a2c915a22c8a6cf4bec18159
15.0 MB Download
Tuesday timelapse.mp4
md5:4d73bb05a8e4765532e8e76616708d7b
14.0 MB Download
Wednesday timelapse.mp4
md5:e0741cfae550489d2ed5304b12fdf378
13.2 MB Download
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