High fidelity modeling of aerosol pathogen propagation in built environments with moving pedestrians,International Journal for Numerical Methods in Biomedical Engineering

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High fidelity modeling of aerosol pathogen propagation in built environments with moving pedestrians
International Journal for Numerical Methods in Biomedical Engineering ( IF 2.2 ) Pub Date : 2020-12-13 , DOI: 10.1002/cnm.3428
Rainald Löhner ₁ , Harbir Antil ₁

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A high fidelity model for the propagation of pathogens via aerosols in the presence of moving pedestrians is proposed. The key idea is the tight coupling of computational fluid dynamics and computational crowd dynamics in order to capture the emission, transport and inhalation of pathogen loads in space and time. An example simulating pathogen propagation in a narrow corridor with moving pedestrians clearly shows the considerable effect that pedestrian motion has on airflow, and hence on pathogen propagation and potential infectivity.

中文翻译：

行人移动的建筑环境中气溶胶病原体传播的高保真建模

提出了一种在行人存在的情况下通过气溶胶传播病原体的高保真模型。关键思想是计算流体动力学和计算人群动力学的紧密耦合，以便在空间和时间上捕获病原体负荷的排放、运输和吸入。一个模拟病原体在有行人移动的狭窄走廊中传播的示例清楚地显示了行人运动对气流的显着影响，从而对病原体传播和潜在传染性产生影响。

更新日期：2020-12-13

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