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Nonlinear Dynamics Model of Crowd Panic Propagation under Disaster Conditions

机译：灾区人群恐慌传播的非线性动力学模型

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In disaster conditions, people often fall in panic. When the population panics raise to a certain extent, they can aggravate the confusion degree of crowd evacuation, leading to greater casualties further. Therefore, this paper proposes a non-linear dynamic model describing crowd panic propagation, to support theoretically the effective evacuation guidance and control of panic-stricken crowd. Based on the natural similarity between the panic transmission and the ball collision, this paper introduces the ball collision model to describe the panic transmission characteristics based on the traditional dynamics model and transforms the evacuation panic transmission problem into a linear dynamic ball collision model. The degree of panic changes the force between evacuee individuals and determines the expansion degree of the ball volume, then changes the diameter of the ball. The amount of change in momentum measures the degree of panic. Using the non-linear dynamics model of panic propagation in this paper, we can systematically analyze the impact of panic transmission on population evacuation by adjusting various elements of evacuation scenarios.
机译：在灾害条件下，人们经常陷入恐慌。当人口恐慌在一定程度上提高时，他们可以加剧人群疏散的混乱程度，从而进一步伤亡。因此，本文提出了一种描述人群恐慌传播的非线性动态模型，以实现理论上的有效疏散指导和控制恐慌人群。基于恐慌传递与球碰撞之间的自然相似性，介绍了球碰撞模型描述了基于传统动力学模型的恐慌传输特性，将疏散恐慌传递问题转化为线性动态球碰撞模型。恐慌程度会改变撤离人物之间的力，并确定球体积的扩展度，然后改变球的直径。动量的变化量测量了恐慌程度。本文采用了恐慌传播的非线性动力学模型，通过调整疏散情景的各种元素，我们可以系统地分析恐慌传递对人口疏散的影响。

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