Spatiotemporal Characteristic of Epidemic Spreading in Mobile Individuals

HE Min-Hua; ZHANG Duan-Ming; PAN Gui-Jun; YIN Yan-Ping; TAN Xin-Yu

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Spatiotemporal Characteristic of Epidemic Spreading in Mobile Individuals

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We numerical simulate the propagation behaviour and people distribution trait of epidemic spreading in mobile individuals by using cellular automaton method.The simulation results show that there exists a critical value of infected rate fluctuating amplitude,above which the epidemic can spread in whole population.Moreover,with the value of infected rate fluctuating amplitude increasing,the spatial distribution of infected population exhibits the spontaneous formation of irregular spiral waves and convergence phenomena,at the same time,the density of different populations will oscillate automatically with time.What is more,the traits of dynamic grow clearly and stably when the time and the value of infected rate fluctuating amplitude increasing.It is also found that the maximal proportion of infected individuals os independent of the value of fluctuating amplitude rate,but increases linearly with the population density.

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《中国物理快报：英文版》 |2008年第2期|393-396|共4页
作者
HE Min-Hua; ZHANG Duan-Ming; PAN Gui-Jun; YIN Yan-Ping; TAN Xin-Yu;
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作者单位

Department of Physics,Huazhong University of Science and Technology,Wuhan,430074;

Department of Physics,Huazhong University of Science and Technology,Wuhan,430074;

Department of Physics,Huazhong University of Science and Technology,Wuhan,430074;

Faculty of Physics and Electronic Technology,Hubei University,Wuhan,430062;

Department of Physics,Huazhong University of Science and Technology,Wuhan,430074;

Department of Physics,Huazhong University of Science and Technology,Wuhan,430074;

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正文语种 chi
中图分类物理学;
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Spatiotemporal Characteristic of Epidemic Spreading in Mobile Individuals

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