Research on emotion propagation model in closed space under emergency
In order to avoid the derivative disasters caused by disorderly fermentation of complex emotion in the closed space under emergency,and explore the laws of emotion propagation in closed space,the subject emotional state,emotion transfer path,interaction mode and infection rate were improved respectively considering the difference of individual emotion,group polarization phenomenon,special emotional interaction mode and dynamic infection rate under emergency scenario in the closed space,then an emotion propagation model SE4 Sa suitable for closed space was proposed based on the spontaneous emo-tion propagation model SISa,and the numerical simulation and sensitivity analysis were completed by taking Wuhan Metro Line 2 as an example.The results show that the spontaneous emotion transfer process plays a key role in limiting the accumu-lation of negative emotion,and the emotion polarization phenomenon makes the system risk increase greatly.Narrowing the do-main of individual emotion perception shorten the system stability time by 90.6%and reduce the proportion of high-arousal negative emotion by 27.4%.The dynamic infection rate under emergency is more in line with the characteristics of emotion propagation in closed space.The research results can provide theoretical support for the study of group behavior and group emotion laws in closed space under emergencies.
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