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PaperGrade B
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Dynamic response and hydrodynamics of polarized crowds[1]
Summary
Applying fluid-dynamics principles to large human crowds, the authors analyzed marathon runners approaching the start line at the Chicago Marathon and found that dense crowds exhibit nondamping linear waves that travel at the same speed across different starting corrals and across different races. They develop a hydrodynamic model for organized (polarized) crowds and argue it offers insight that could improve crowd-management strategies.
Key findings
- Dense polarized crowds propagate nondamping linear (pressure) waves.
- Wave speed was consistent across different corrals and different races.
- A hydrodynamic model describes organized crowd motion and may inform crowd management.
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- Publisher (DOI) ↗may be paywalled